Benefits Of Using Electric Bikes

Benefits Of Using Electric Bikes

    We are living in the future! In all aspects, technology has improved our lives, whether that be through breakthrough medicines, renewable energy or new sporting ideas to keep us active (and living) longer… one of these changes is an electric bike. You may have already seen one of these zipping through your streets. The question is, is it worth all the hype, especially for our fellow cyclists?

    Nicknamed E-bike (also called power bike or booster bike), it might be the biggest adoption of green transportation of the decade. 'cycling is already green' you may say, but it is more than that. Think about them in place of small petrol scooters rather than normal bicycles. Electric Scooter Motorbikes use rechargeable batteries that can travel up to 25 to 45 km/h, much faster than most people would cycle, getting you to your destination quicker and in better shape. In a nutshell, they offer low-cost, energy-efficient, and emission-free transportation which also has physical and health benefits.

    500W Electric Scooter Motorbikes have what they call battery-powered pedal assist. Technically, this is a machine integrated within the bike to give your pedaling a boost. This can reduce stress and impact your knees and thighs. Say goodbye to sweaty rides.

    There are 350w Electric Scooter Motorbikes that have specific boosting technology that can assist you to conquer hills and inclines, so you don't have to worry about any challenging terrain. People of all ages and health can ride flawlessly and for much longer with an E-bike. Longer rides mean more views and more possibilities for lunch stops! And if you want to check out the most affordable pedal-assist electric bike to reap some amazing benefits, it is recommended to see these e-bike reviews.

    The technology gives you the extra oomph you need to cover miles of distance with little effort. You can also still take advantage of the multi-purpose cycle lane and paths that are traffic-free, brilliant if you’re living in a city to slash your commute time.  These are getting more and more popular in cities as governments and councils urge people to give up their cars.

    The bikes have been developed over the years and now look almost like a normal bike frame, with only the subtle ‘hum’ giving them away. Take advantage of the lithe form and durability of an E-bike without anyone being the wiser!

    According to a study of scientists at the Switzerland's University of Basel, riding an Electric Tricycle is just as good as regular bikes at improving fitness. Although cycling with an E-bike is pedal-assisted, it's still an exercise after all and therefore good for your health, both mentally and physically. If you are more into fitness, there are customizable ones suitable for exercise, try looking at and comparing these before purchasing an E-bike.

    If you use the Electric Moped instead of a motor vehicle it will save you money in the long run. Petrol and diesel are costly in most countries, and occasional price surges can really impact your budget. Same as buying ready essays for sale, you save not only your money but time as well. While with E-bikes, you can buy affordable batteries which can last you 18-50 miles after a full charge depending on the level of assistance you use.

    We have all seen it in sci-fi movies. Sleek and sexy vehicles, none of which look old, bulky, or have jets of smoke coming out the back, un-futuristic transportation is no longer being made. The 60V20Ah Electric Moped is on its way to being up there with its smart counterparts. Considering that this invention will improve continuously over time, what we have now might be the prototype of this promising transport.

    Many countries in Southeast Asia took the lead in using 48V20Ah Electric Mopeds as a sustainable mode of transportation, and with the continuous rise of urban air pollution, there is a big future for E-bikes.

    Climate change and global warming are serious issues and we all need to play our part. We might be facing our last stand to save our dying earth, and we can all contribute to this. Electric Bicycles emit lower pollution per kilometer than motorcycles and cars. You can help by using an E-bike instead of a petrol or diesel car. They use energy with an average rate of 100 to 150 watts compared to 15,000 or so for a car. As a result, this can help to improve air quality.

    In some countries laws, Two Wheels E-bikes are still considered as a bicycle, so if you don’t like the process of registration or getting license plates or insurance, getting an E-bike can be a good choice.  You can pop into your local Halfords or cycle shop and purchase one today, alternatively, you can buy them from Amazon and other online vendors easily peasy!

Electric Mining Equipment is Poised to Power the Industry

Electric Mining Equipment is Poised to Power the Industry
Many mining OEMs are taking advantage of the opportunities created by this trend. For instance, offers a range of BEV, zero-emission mining machine, including the Scooptram? ST7, the Electric Boomer M2C and smaller truck models. 
Meanwhile, offers its Z50 mining truck, powered by lithium-ion batteries. It boasts three times more power than a diesel, and the capability to haul 50 tons of material. It also features regenerative braking and an automated battery swap system that can “refuel” the vehicle in about 10 minutes.
Stone machine buying guide
Buying guide for marble polishing machine
Are you in need of a stone polish machine? There are several machines on the market, making it challenging to select one that is ideal for your needs. However, with the help of a buying guide for marble polishing machine, it will be easier to find an ideal stone polishing machine.
In this article, we will provide you with a buying guide for marble polishing machine. Read on below to find out more.
1. National Geographic Professional Rock Tumbler.
This machine turns simple rocks into sparkling ones. It is a rock tumbler brought by National Geographic. This product can last long because it is made of high-quality material. It weighs 21 lbs. and has a rubber barrel whose function is to complete the polishing job without any leakages and noise. It is easy to control the time and the speed at which you need to use this machine. This machine is popular among rock polishers’ buyers because it has a shut-off timer and speed control function.
This machine comes with a complete kit containing jewel fastenings, a tumbler, an instruction manual, and several polishing grits. It comes with a 2-year warranty and a standard size of 6.0 by 9.2 by 2.2 inches.
 2. Tru-square metal products single barrel rock polishers 
With this machine, you will be able to turn every piece from its condition to a new stunning and smooth object. Tru-squire metal is known to work best with complex things. It comes with a complete kit that has all the essential tools necessary for completing the polishing task fully. The machine has a rubber barrel tumbler, polishing grit, several gemstones, and an instruction book. The barrel polishes silently and the machine has a leak-proof lid.
It is an excellent choice to use in the house, school, or even in your workplace. It is a 4.8 by 12.5 by 15.8 inch machine. It has a programmable timer and comes with a 2-year warranty. This machine can be used in making handmade gifts for friends and family.
3. Discover with dr. cool hobby rock tumbler 
It is a product worth buying as it has high-quality parts made of heavy-duty steel. It efficiently performs a polishing task. It is attached to a rubber barrel that significantly reduces noise.
This product is very convenient for polishing workpieces. It has a timer that complements its automatic shut-down feature. It has a size of 10.8 by eight by 9.5 inches and comes with a 2-year warranty.
4.  ABN rolling rock tumbler kit 
It is a well-made rock and metal polisher. Its size is 15.6 by 8.3 by 8.3 inches. It comes with a complete set for making smooth rocks and objects. It is very safe to use for both adults and kids. It has a simple operation process, and it is fitted with thick rubber barrels that provide a quiet operation when working with the machine.
It comes with an instruction book that guides you on any polishing task you may want to undertake. Five more belts are included in the package. This machine has the best quality, and it can serve for many years. Its size is 15.6 by 8.3 by 8.3 inches.
 5. Legal rotary rock tumbler 
This machine has the best reputation in terms of quality and durability. Its package consists of a powerful tumbler, V belts and, a walnut shell. It comes with an instruction book that contains explicit instructions and directives on how to handle the machine. It is suitable to use on any stone polishing task you subject it to. It uses the power of 120V.
It works efficiently for long hours and offers the user a chance to complete his/her task without interruptions. Its size is 14.9 by 6.2 by 4.8 inches. This machine works great for rocks and metals. This machine has a lifetime warranty. It is easy to use and therefore friendly to beginners.
6. HWV316POLSET polishing kit (rock polishers)
This machine makes the tough job of polishing metals, jewelry, and stones very easy. This machine is a powerful rock polisher. It is a product of Asia Pacific Construction. It is made to polish granite, concretes, and marbles.
It comes with a package that contains very essential polishing items. It has a rubber backer of 4 inches, comes with a 1-year warranty, and is very durable.
7. Lortone 45C rotary rock tumbler kit
This machine comes with many great features. Its package comes with assorted rough stones, polishing compounds, abrasive, and a manual book.
This machine turns rough rocks into gorgeous smooth stones. It has a capacity of 4lbs. and is built with high–quality steel making it very durable. It has a size of 35 by 4 by 2.5 inches
 
8. Heavy-duty rotary tumbler with 15lb capacity (rock polishers)
This stone polisher is among the best rock tumblers for polishing metal and brass. It handles heavy tasks without difficulties since it is 15lbs. It is attached with a removable rubber liner, which makes this product very desirable. It is used for heavy-duty tasks because it has a strong motor. This machine can be used in schools, homes, and labs.
It has a cooling fan that always keeps the motor cool. This machine has a total size of 13.4 by 12.9 by 11.5 inches and comes with a 5-year warranty.  
Indeed, there are numerous brands of stone processing machine in the market. They vary in terms of size, features, and work capacity. Even though selecting an ideal stone polisher may be challenging, with the correct information, it becomes very easy.  
Where i can buy Stone polishing machine?
As a machine manufacturer, we have the best stone polishing machines from different brands. 
Energy consumption of block-cutting machines represents a major cost item in the processing of travertines and other natural stones. Therefore, determining the optimum sawing conditions for a particular stone is of major importance in the natural stone-processing industry. An experimental study was carried out utilizing a fully instrumented block-cutter to investigate the sawing performances of five different types of travertine blocks during cutting with a circular diamond saw. The sawing tests were performed in the down-cutting mode. Performance measurements were determined by measuring the cutting speed and energy consumption. Then, specific energy was determined. The one main cutting parameter, cutting speed, was varied in the investigation of optimum cutting performance. Furthermore, some physico-mechanical properties of the travertine blocks were determined in the laboratory. As a result, it is found that the energy consumption (specific energy) of block cutting machine is highly affected by cutting speed. It is determined that specific energy value usually decreases when cutting speed increases. When the cutting speed is higher than the determined value, the diamond saw can become stuck in the travertine block; this situation can be a problem for the block-cutting machine. As a result, the optimum cutting speed obtained for the travertine mines examined is approximately 1.5–2.0 m/min.
The function of the mining machine edit voice
(Bitcoin) is a kind of network virtualization produced by open source P2P software. It does not rely on the issuance of a specific currency institution, and is generated through a large number of calculations with a specific algorithm. The economic use of the entire P2P network P2P decentralized characteristics and algorithms can ensure that artificially unable to make money through mass manufacturing.
Many companies develop a specific machine with any special crystal element.
Method of editing voice on another machine
The simple thing to do is that in the early client, there was production of miners, but the reason for the cancellation of the computer, as you use your own mass production, you may have more and more people, and you must dig up to 50%. A currency, so miners are generally organized into miners’ guilds, and everyone digs together.
To make it simpler, you can download a dedicated calculation tool, then register various cooperative websites, fill in the calculated name and password into the program, and then click to operate the registered user to start.
What Is Bitcoin Mining?
Bitcoin mining is the process by which new bitcoins are entered into circulation, but it is also a critical component of the maintenance and development of the blockchain ledger. It is performed using very sophisticated computers that solve extremely complex computational math problems.
Cryptocurrency mining is painstaking, costly, and only sporadically rewarding. Nonetheless, mining has a magnetic appeal for many investors interested in cryptocurrency because of the fact that miners are rewarded for their work with crypto tokens. This may be because entrepreneurial types see mining as pennies from heaven, like California gold prospectors in 1849. And if you are technologically inclined, why not do it?
However, before you invest the time and equipment, read this explainer to see whether mining is really for you. We will focus primarily on Bitcoin (throughout, we’ll use “Bitcoin” when referring to the network or the cryptocurrency as a concept, and “bitcoin” when we’re referring to a quantity of individual tokens).
A New Gold Rush
The primary draw for many mining is the prospect of being rewarded with Bitcoin. That said, you certainly don’t have to be a miner to own cryptocurrency tokens. You can also buy cryptocurrencies using fiat currency; you can trade it on an exchange like Bitstamp using another crypto (as an example, using Ethereum or NEO to buy Bitcoin); you even can earn it by shopping, publishing blog posts on platforms that pay users in cryptocurrency, or even set up interest-earning crypto accounts.
An example of a crypto blog platform is Steemit, which is kind of like Medium except that users can reward bloggers by paying them in a proprietary cryptocurrency called STEEM. STEEM can then be traded elsewhere for Bitcoin.
The Bitcoin reward that miners receive is an incentive that motivates people to assist in the primary purpose of mining: to legitimize and monitor Bitcoin transactions, ensuring their validity. Because these responsibilities are spread among many users all over the world, Bitcoin is a “decentralized” cryptocurrency, or one that does not rely on any central authority like a central bank or government to oversee its regulation.

How to Mine Bitcoins
Miners are getting paid for their work as auditors. They are doing the work of verifying the legitimacy of Bitcoin transactions. This convention is meant to keep Bitcoin users honest and was conceived by Bitcoin’s founder, Satoshi Nakamoto. By verifying transactions, miners are helping to prevent the “double-spending problem.” 
Double spending is a scenario in which a Bitcoin owner illicitly spends the same bitcoin twice. With physical currency, this isn’t an issue: once you hand someone a $20 bill to buy a bottle of vodka, you no longer have it, so there’s no danger you could use that same $20 bill to buy lotto tickets next door. While there is the possibility of counterfeit cash being made, it is not exactly the same as literally spending the same dollar twice. With digital currency, however, as the Investopedia dictionary explains, “there is a risk that the holder could make a copy of the digital token and send it to a merchant or another party while retaining the original.”
Let’s say you had one legitimate $20 bill and one counterfeit of that same $20. If you were to try to spend both the real bill and the fake one, someone that took the trouble of looking at both of the bills’ serial numbers would see that they were the same number, and thus one of them had to be false. What a Bitcoin miner does is analogous to that—they check transactions to make sure that users have not illegitimately tried to spend the same bitcoin twice. This isn’t a perfect analogy—we’ll explain in more detail below.
Once miners have verified 1 MB (megabyte) worth of Bitcoin transactions, known as a “block,” those miners are eligible to be rewarded with a quantity of bitcoins (more about the bitcoin reward below as well). The 1 MB limit was set by Satoshi Nakamoto, and is a matter of controversy, as some miners believe the block size should be increased to accommodate more data, which would effectively mean that the bitcoin network could process and verify transactions more quickly.
Note that verifying 1 MB worth of transactions makes a coin miner eligible to earn bitcoin—not everyone who verifies transactions will get paid out.
1MB of transactions can theoretically be as small as one transaction (though this is not at all common) or several thousand. It depends on how much data the transactions take up.

Electric cables are normally installed on the assumption of a safe working life

Electric cables are normally installed on the assumption of a safe working life
Electric cables are normally installed on the assumption of a safe working life of at least 20 years. Changes in the insulating material take place with the passing of time and these changes, which may eventually result in an electrical breakdown, are accelerated at higher temperatures. Thus, if the working life is fixed, the limiting factor is the temperature at which the cable is required to operate.

During operation, the temperature at which the cable will operate depends upon the ambient temperature and the heating effects of the current produced due to the resistance of the cable conductors.

The heat dissipation of buried cables depends on the depth of laying, ground ambient temperature and its thermal resistivity, these being dependent on their geographical location and the season of the year. Nearby cables would also affect the ground temperature. Cables in air reach steady operating temperatures more quickly than similar cables underground and large cables take longer than small ones.

The heat may cause a change in the properties of an insulating material or in extreme cases, deformation may occur. It is important, therefore, to realise that there is “a cable for the job”.

There is a very wide range of cables designed to operate at voltages up to 400 kV. It is not possible to discuss all these in this book, but the reader is referred to a publication, Copper Cables, published by the Copper Development Association.

The majority of cables have copper conductors and in a cable these may vary from a single conductor to stranded construction.

The number of electric wire contained in most common conductors is 3, 7, 19, 37, 61 or 91. Thus, 37/0·083 indicates that the conductor has 37 wires each having a diameter of 0·083 in.
Study of electric cable used for 18 years outdoors in Romania shows that only 2% of original quantity of di-(2-ethylhexyl) phthalate has been lost during service life. Formulation was stabilized with lead stabilizer. Twenty percent of original stabilizer was used and required replacement in recycling process.3

A similar study in Sweden (see formulation in the next section) showed that only 1% of extractable matter was lost during 30-40 years of cable use, material was thermally stable, and mechanical performance measured by elongation changed very little. Experimental studies conducted in laboratory which simulated service life by thermal aging at 80°C and considering activation energy in Arrhenius equation at 95 kJ/mol showed that cables should perform for at least 44 years. The cables collected from field are suitable for recycling with minimal adjustments to formulation. Figure 13.19 shows that stability of insulation has linear relationship with duration of aging. Figure 13.20 shows that changes in elongation are very small.4
Degradation of insulation performance of electric cables is basically evaluated by tests and analyses. Based on the result of equipment qualification tests, subsequent analyses to confirm the integrity after a 60-year service period of cables and the result of insulation resistance measurement and insulation diagnostic tests, it has been concluded that immediate degradation of insulation performance is unlikely to occur for most types of cables.

Degradation of insulation performance is detected by the insulation resistance measurement, insulation diagnostic tests and performance tests of systems and components, which are performed during the inspection.

The Japanese government commenced a national R&D project on cable ageing to have more accurate prediction. Under this project many experiments are being performed to acquire time dependent data of cable ageing. Superposition of the time dependent data proposed by IEC 1244-2 is proposed as a suitable method to predict cable ageing.

The Japanese plant utilities conduct measurement of insulation resistance to monitor degradation of insulation performance and are planning to perform sample investigation to acquire actual degradation data of cable insulations.
An area of rubber cable technology where much research and development work has been concentrated in recent years is that of the behaviour of cables in fires. Although they may overheat when subject to current overloads or mechanical damage, electric cables in themselves do not present a primary fire hazard. However, cables are frequently involved in outbreaks of fire from other causes which can eventually ignite the cables. The result can be the propagation of flames and production of noxious fumes and smoke. This result, added to the fact that cables can be carrying power control circuits which it is essential to protect during a fire to ensure an orderly shutdown of plant and equipment, has led to a large amount of development work by cablemakers. This work has included investigations on a wide range of materials and cable designs, together with the establishment of new test and assessment techniques.

Although PVC is essentially flame retardant, it has been found that, where groups of cables occupy long vertical shafts and there is a substantial airflow, fire can be propagated along the cables. Besides delaying the spread of fire by sealing ducts at spaced intervals, an additional safeguard is the use of cables with reduced flame propagating properties. Attention has also been focused on potential hazards in underground railways, where smoke and toxic fumes could distress passengers and hinder their rescue. Initially, compounds with reduced acidic products of combustion were incorporated in cables which have barrier layers to significantly reduce the smoke generated. In the meantime, other cablemaking materials have been developed which contain no halogens and which also produce low levels of smoke and toxic fumes as well as having reduced flame propagating properties. These are now incorporated in British Standards such as BS 6724 and BS 7211.

A different requirement in many installations, such as in ships, aircraft, nuclear plant and the petrochemical industry (both on and off-shore), is that critical circuits should continue to function during and after a fire. Amongst the cables with excellent fire withstand performance, mineral insulated metal sheathed cables are particularly suited for use in emergency lighting systems and industrial installations where ‘fire survival’ is required. As fire survival requirements on oil rigs and petrochemical plants become more severe, new control cable designs have been developed to meet fire tests at 1000°C for 3h with impact and water spray also applied, and also to have low smoke and low toxic properties.

Another novel approach to fire protection in power stations and warehouses is the use of fire detector cables (Figure 31.4). These are used in a system which both detects and initiates the extinction of a fire in the relatively early stages of its growth. These cables have also been installed in shops, offices and public buildings, where the cables can be used to operate warning lights or alarms.
The starting point is the real-life cable installations, simply because any fire regulation aims at addressing real-life fires. However, realistic cable installations cannot be used in a testing and classification system. The costs will be enormous as the number of different installations is almost infinite. The solution is therefore based on the assumption that certain large-scale reference scenarios can be representative of real-life hazards and that performance requirements of the cables can be identified in these reference scenarios. The term reference scenario is here used for an experimental set-up that is deemed to represent real life.

In exact terms the representation will never be true. However, a reference scenario is created in such a way that experimental fires in the scenario will be representative of a large number of real practical cases sufficiently accurately for a regulator. The burning behaviour of cables in the reference scenarios can then be linked to the burning behaviour in standardised test procedures. This is achieved by analysing fire parameters like heat release rate, flame spread and smoke production from experiments in the reference scenario and comparing them to the standard rate. When this link is established it is possible to use measurements in the standardised tests for classification. Thus the classification of a table in a standard test will reflect a certain burning behaviour in the reference scenario which in turn is linked to real-life hazard situations.
The test used to determine the flame resistance of electric cables, signal cables, and cable splice kits is described in Title 30, Code of Federal Regulations, Part 7, Subpart K (CFR 30, 2005). The principal parts of the apparatus are a test chamber or a rectangular enclosure measuring 17 inches deep by 14 inches high by 39 inches wide (43.2 cm deep by 35.6 cm high by 99.1 cm wide) and open at the top and front. The floor or base of the chamber is lined with a noncombustible material to contain burning matter which may fall from the test specimen during a test. Permanent connections are mounted to the chamber and extend to the sample end location. The connections are used to energize the electric cable and splice specimens. The connections are not used when testing signaling cables. A rack consisting of three metal rods, each measuring approximately 3/16 inch (0.48 cm) in diameter is used to support the specimen during a test. The horizontal portion of the rod which contacts the test specimen shall be approximately 12 inches (30.5 cm) in length. A natural gas type Tirrill burner, with a nominal inside diameter of 3/8 inch (0.95 cm), is used to apply the flame to the test specimen.
For tests of electric cables and splices, a source of either alternating current or direct current is used for heating the power conductors of the test specimen. The current flow through the test specimen is regulated and the open circuit voltage is not to exceed the voltage rating of the test specimen. An instrument is used to monitor the effective value of heating current flow through the power conductors of the specimen. Also, a thermocouple is used to measure conductor temperature while the cable or cable splice kit is being electrically heated to 400 °F (204.4 °C). For the electric cable test, three specimens each three feet (0.91 m) in length are prepared by removing five inches of jacket material and two inches of conductor insulation from both ends of each test specimen.
For splice kits, a splice is prepared in each of three sections of a MSHA-approved flame-resistant cable. The cable used is the type that the splice kit is designed to repair. The finished splice must not exceed 18 inches (45.7 cm) or be less than 6 inches (15.2 cm) in length for test purposes. The spliced cables are three feet in length with the midpoint of the splice located 14 inches (35.6 cm) from one end. Both ends of each of the spliced cables are prepared by removing five inches of jacket material and two inches of conductor insulation. The type, amperage, voltage rating, and construction of the power cable must be compatible with the splice kit design.
The test specimen is centered horizontally in the test chamber on the three rods. The three rods are positioned perpendicular to the longitudinal axis of the test specimen and at the same height. This arrangement permits the tip of the inner cone from the flame of the gas burner to touch the jacket of the test specimen. For splices, the third rod is placed between the splice and the temperature monitoring location at a distance 8 inches (20.3 cm) from the midpoint of the splice. The gas burner is adjusted to produce an overall blue flame five inches (12.7 cm) high with a three-inch (7.6 cm) inner cone and without the persistence of yellow coloration. The power conductors of the test specimen are connected to the current source. The connections must be compatible with the size of the cable’s power conductors to reduce contact resistance. The power conductors of the test specimen are energized with an effective heating current value of five times the power conductor ampacity rating at an ambient temperature of 104 °F (40 °C).
The electric current is monitored through the power conductors of the test specimen with the current measuring device. The amount of heating current is adjusted to maintain the proper effective heating current value until the power conductors reach a temperature of 400 °F (204.4 °C). For electric cables, the tip of the inner cone from the flame of the gas burner is applied directly beneath the test specimen for 60 seconds at a location 14 inches (35.6 cm) from one end of the cable and between the supports separated by a 16 inch (40.6 cm) distance. For the splices made from the splice kits, the tip of the inner cone from the flame of a gas burner is applied for 60 seconds beneath the midpoint of the splice jacket. After subjecting the test specimen to the external flame for the specified time, the burner flame is removed from beneath the specimen while simultaneously turning off the heating current. The amount of time the test specimen continues to burn is recorded after the flame from the burner has been removed. The burn time of any material that falls from the test specimen after the flame from the burner has been removed is added to the total duration of flame. The length of burned (charred) area of each test specimen is measured longitudinally along the cable axis. The procedure is repeated for the remaining two specimens. For a cable or splice kit to qualify as flame resistant, the three test specimens must not exceed a duration of burning of 240 seconds and the length of the burned (charred) area must not exceed 6 inches (15.2 cm). The flame test of an electric cable is shown in Fig. 13.4 – the electric cable did not meet the test criteria.

THIS SMALL ELECTRIC SCOOTER IS POWERFUL ENOUGH TO RIDE ON ANY TERRAIN!

There is no denying that electric scooters will be the future of urban commute, at least for short distances! They make it easier to maneuver through traffic and find parking while helping you reduce your carbon footprint – now that is all a win-win isn’t it? Now, what if your electric scooter could also be your adventure buddy and conquer all kinds of terrains with you? Because it actually can – say hello to Phat Scooter’s latest HD electric scooter! Think of it as the child of your electric bike and an electric scooter ATV.
This compact scooter is a discreet mean machine and can travel up to 20MPH. It can also go 30+ miles on a single charge cycle so it is perfect for those looking for an alternative to public transport post-pandemic but are not yet ready for an electric car. The HD electric scooter comes equipped with a powerful motor that can take on hills with ease, and the front + rear suspensions system provides a smooth ride at any speed as well as on any terrain. The tall handlebars are a smart design element because they enable you to stand up with adequate balance and support while you ride. The seat also has extra support to make the ride on tricky terrains as comfortable as possible. The most impressive and unique part about this scooter is its wide wheels which increase the stability and give the rider better balance. Unlike many other small scooters, the E-scooter electric scooter lets you ride anywhere – cement, asphalt, grass, dirt, or sand. Now only if it had snow tires, every New Yorker would get this!
Scooters have also fitted it with a new and improved battery which charges in four to six hours with a standard outlet. You can pick from a range of colors and customization options to truly make this scooter a part of your everyday life – I guess it is safe to say that this scooter will become your ride or die!

Generally speaking, e-bikes are bicycles with a battery-powered “assist” that comes via pedaling and, in some cases, a throttle. When you push the pedals on a pedal-assist e-bike, a small motor engages and gives you a boost, so you can zip up hills and cruise over tough terrain without gassing yourself. 
The harder you pedal, the bigger the boost, the faster you’ll ride—to a point. Electric bicycles let you hum along at a brisk clip, but they aren’t motorcycles. You’ll never hammer down the road at 45 mph. The motor is governed to stop propelling you further when you hit 20 to 28 miles per hour, depending on the bike. So you’ll save time on your commute (I shave about three minutes off a five-mile trip) but still enjoy the scenery.
Getting an electric motorbike can dramatically increase how often you ride, according to a survey of nearly 1,800 e-bike owners in North America. Beforehand, 55 percent of respondents said they rode daily or weekly. After buying an e-bike, that number soared to 91 percent. It makes sense: Even if you’re super fit, you still get tired (likely from training or racing) and remounting your bike can feel like a chore. If you have an e-bike, you can continue riding while giving your knackered legs a bit of a break. You can also go faster, which makes biking for longer trips more attractive, even when you’re pressed for time.
For those who aren’t frequent riders, e-bikes open up a whole new world. While you may not be conditioned to ride 5-10 miles at a time, you can cover those distances easily with an electric assist, which is a great way to build endurance and confidence. That same survey found that 94 percent of non-cyclists rode daily or weekly after getting an e-bike.
Name a type of riding, and there’s an e-bike for that. If you have zero interest in an electric road bike, you may find yourself head over heels for a high-capacity e-cargo bike that can haul 400 pounds of stuff while still cruising at a cool 15 mph. E-bikes are available in fat, cargo, commuter, recreational, hardtail, full-suspension mountain, and even performance road bike styles. For proof, here are a dozen e-bikes we love for every type of cyclist.
“People are buying electric bicycles as a way to reduce car trips,” Benjamin says. The data backs him up: 28 percent of survey respondents said they bought an e-bike specifically to replace driving a car. And many other reasons buyers listed for wanting an e-bike—including carrying cargo and kids, avoiding parking and traffic, and environmental concerns—also indicate a desire to get out from behind the wheel. Plus, you don’t need to change clothes or clean up when you arrive at your destination, because you don’t have to work up as much of a sweat.
Consider, too, that more than half of all driving trips are shorter than 10 miles, with some surveys reporting that the average single trip amounts to just 5.95 miles. That’s a no-brainer distance to cover by e-bike. In fact, the survey found that owners replaced 46 percent of their car commutes and 30 percent of their driving errands with e-bike rides. All you need is a great commuter bag to carry your stuff, and you’re set.

What is the best electric car jack

Getting stuck on the side of the road is always a pain. If you had an electric jack you could save time and get back on the road. When you have a flat tire there are multiple steps you have to take to get the spare off.
In the trunk of your vehicle, there is probably a traditional scissor jack. You place it under the vehicle and manually turn it by hand. This car electric jack can take a bit of time to get the car off the ground especially if you have arthritis.
In addition, you have to loosen the lug nuts so you can dismount the wheel when the car is in the air. What if there was a better and simpler way to get your spare tire on? Introducing the electric car jack. This electric car jack hooks up to your battery or cigarette lighter for power.
You can jack your tire up of the ground without having to wind up the scissor jack. Time is important especially when you are working on the side of the highway. There are cars passing at 70+ mph. You want to make sure that you get back on the road as soon as possible.

This SUV electric jack can automatically jack up your car in a matter of time. Simply unscrew the top tell you get it to the desired height. Align it with your car’s lift poinst and press the lift button. Soon the jack will start lifting the car without you having to wind or spin anything.
This kit is great because it comes with all the tools you need to swap out your wheel when it goes flat. This electric car jack comes with all the features as above like the built in light, air compressor, car jack and road sign case.
Although with this kit your get an electric impact wrench. Typically you have to loosen the lug nuts by hand. If you don’t have enough strength it can be quite difficult. Although with this electric impact wrench it does the work for you. With the press of a button you loosen your lug nuts and remove your wheel.
The impact is powered by your battery or through your cigarette lighter. This means no matter where you get stranded your can swap out your wheel fast.
If you are looking for an all-in-one electric car jack kit then this has everything you need.

Electric hydraulic jacks are distinguished by their use of an incompressible liquid, such as hydraulic fluid or jack oil, as the means by which force multiplication is achieved. The primary mechanism by which force is applied varies, depending on the specific type of jack, but is typically a screw thread or a hydraulic cylinder. 3T electric hydraulic jack may be categorized based on the type of mechanism used to generate the lifting force, typically mechanical power, hydraulic power, or pneumatic power.

Electric wrenches at one time were predominantly air tools employed for mechanical disassembly of bolted assemblies. The impact wrench produced a successive series of hammer blows to an “impact-rated” hex socket and through that to a nut or bolt head, taking advantage of steel’s ability to withstand shock loading. The idea was to break a “frozen” nut or bolt free of corrosion without applying continuous leverage that could snap the threaded shank.
An impact wrench is not really intended to drive a fastener back on to its finished torque, although it is often used that way. Most of the torque is directed in the reverse direction, ie., the loosening direction of a right-handed thread. Most impact wrenches limit the torque applied in the forward direction to avoid overtightening a fastener. Final values are then properly set with a torque wrench. Torque sticks are available which apply known torque values through the wrench to the socket, and these are probably suitable for use on lug nuts but perhaps a bit crude for tightening down cylinder heads. Applying correct torque to any installed fastener is usually paramount in a precision assembly and too exacting of a task for an impact wrench. For assembly-line work, pulse tools are often used which are quieter and have better controllability of final torque values.

You never know when you may experience a flat tire. It can happen to anyone at the most inconvenient time. Maintaining correct tire pressure affects a tire’s wear and improves its performance. Luckily, you can easily inflate almost any tire at your job site if you have an air inflation. Read on to learn how to use an air compressor on your flat tire. 
You need to know how much air pressure must go into the tire. Most construction vehicles need at least 100 pounds per square inch, or PSI, in each tire. The exact amount might vary depending upon the axle load, number of tires per axle, and weather. Check the vehicle’s owner’s manual for the proper tire pressure amount.
Avoid using the PSI number found on the tire’s sidewall since that expresses the maximum amount of pressure. You need this information to know what type of air compressor to get. A smaller air compressor tank keeps the pressure between 100 to 150 PSI.

Choosing a Toothbrush: The Pros and Cons of Electric and Disposable

[font=”Source Sans Pro”, Verdana, sans-serif]You can’t overestimate the importance of good oral hygiene — not only for dental health, but for your overall wellbeing. In fact, gum disease is a major risk factor for the development of serious health conditions, including heart disease and diabetes.[/font]
[font=”Source Sans Pro”, Verdana, sans-serif]From the time we’re young, we’re taught that using a toothbrush regularly is one of the best ways to keep our teeth and gums healthy. But which toothbrush is best?[/font]
[font=”Source Sans Pro”, Verdana, sans-serif]In the late 1930s, when toothbrushes with nylon bristles were first invented, consumers choosing a toothbrush didn’t have many options. Now, the story’s completely different. Most stores that sell oral hygiene products now have an extensive collection of different types of toothbrushes on their shelves, including manual (disposable) and powered (electric) varieties.[/font]

General Tips for Choosing a Toothbrush
There are certain characteristics that you should look for in whatever toothbrush you choose, regardless of whether it is manual or powered.
Size. The best toothbrush head for you should allow you easy access to all surfaces of your teeth. For most adults, a toothbrush head a half-inch wide and one-inch tall will be the easiest to use and the most effective. Though there are larger toothbrush heads available, you may find that it is difficult to maneuver them to clean certain hard-to-reach areas, such as the sides and backs of your molars. The toothbrush should have a long enough handle so you can comfortably hold it in your hand.
Bristle variety. If you go to the drug store to purchase a manual toothbrush or a replacement head for your electric toothbrush, you will be able to select a toothbrush with soft, medium, or hard nylon bristles. For the vast majority of people, a soft-bristled toothbrush will be the most comfortable and safest choice. Depending on how vigorously you brush your teeth and the strength of your teeth, medium- and hard-bristled brushes could actually damage the gums, root surface, and protective tooth enamel. For even more tooth protection when you brush, be sure the bristles on the toothbrush you select have rounded tips.
Expert recommendation. To ensure your toothbrush has undergone rigorous quality control tests for cleaning effectiveness and safety, ask your dentist for a recommendation. Or look for manual or powered toothbrushes that have earned the American Dental Association (ADA) Seal of Approval.

For disposable toothbrushes, this seal ensures that: the bristles will have safe tips; the bristles will not fall out of the toothbrush under typical brushing conditions; the handle will withstand normal use; and the toothbrush will effectively reduce plaque build-up and gum disease in their early stages.
In addition to satisfying these conditions, powered or electric toothbrushes bearing the seal also must undergo safety testing in an independent lab and prove through clinical trials that the toothbrush is safe for use on the tissues of the mouth and teeth, as well as any dental hardware that may be in place.
Toothbrushes: Disposable or Electric?
As long as you clean your teeth regularly using proper brushing technique, you should be able to reduce plaque build-up and keep your gums healthy with either a manual or powered toothbrush. Here are some things to keep in mind as you go about choosing the best toothbrush:
Cost. Although there are some more affordable powered toothbrush options being sold, electric toothbrushes cost many times more than manual toothbrushes. In addition to the initial expense of an electric toothbrush with toothbrush head, you will need to replace the removable toothbrush head as often as you replace your manual toothbrush. Of course, if using an electric toothbrush helps you keep your teeth cleaner, you may make up for the expense with a reduction in dental bills.
Likability. When it comes down to it, the best toothbrush for you is going to be the one you’re most likely to use — and use well. Some people may not like the vibrating feeling of a powered toothbrush, and water flosser, too. Others might find an electric variety easier to use to clean all tooth surfaces. This may be especially true for people with conditions that limit mobility, such as painful arthritis. If you enjoy using your toothbrush, you’re more likely to brush for the recommended length of time — two minutes. Some powered varieties even have a built-in timer to let you know when you’ve devoted enough time to brushing.
Effectiveness. Numerous scientific studies have been conducted to investigate whether manual or powered toothbrushes are more effective at reducing gum disease and eliminating plaque. A review of nearly 30 studies comparing disposable and electric toothbrushes found that, overall, there was not a significant difference between electric and manual toothbrushes in their ability to remove plaque and prevent gum disease. But, evidence suggests that a certain type of powered toothbrush called a rotation oscillation toothbrush (the bristles go round and round and back and forth) is more effective than manual toothbrushes. When matched with a UV sanitizer, the cleaning effectiveness will largely increase.
Safety. Although all toothbrushes with an ADA Seal of Approval have been tested for safety, there may be certain individuals for whom a particular type of toothbrush is safer. If you tend to brush too vigorously, which can damage your gums and teeth, a powered toothbrush may make it easier for you to be gentle on your gums and teeth and get them clean at the same time. Some studies suggest that using a powered toothbrush may increase the amount of bacteria in the bloodstream more than a manual toothbrush. This does not pose a risk for healthy people with normal immune systems and healthy hearts. But it could increase the likelihood that people with certain heart conditions could acquire a potentially dangerous infection in the heart. Further investigation is needed to determine whether this should be a cause for concern.

The Best Toothbrush for Children
When it comes to choosing the best toothbrush for your child, it’s important to opt for one that they will use properly and regularly. There are a variety of disposable and electric options available for kids. And they come in a variety of colors and often feature children’s favorite characters from classic stories and popular cartoons. Some varieties even play music to help your child know how long to brush.
To choose a good toothbrush for your child, try the following suggestions:

  • Make sure the toothbrush you select has an ADA Seal of Approval.
  • Pick a child-sized toothbrush with soft bristles.
  • If your children are old enough, have them help you pick out their toothbrushes. Getting your children involved in the process and excited about a new toothbrush may make tooth-brushing a more enjoyable task.


[font=NexusSerif, Georgia, “Times New Roman”, Times, STIXGeneral, “Cambria Math”, “Lucida Sans Unicode”, “Microsoft Sans Serif”, “Segoe UI Symbol”, “Arial Unicode MS”, serif]The use of light at night continues to increase. Simply put, this is because without night light we are deprived of our premier sense, vision. By enabling vision the use of light at night delivers a number of benefits to people. Such benefits include greater safety for pedestrians and drivers, reduced fear of crime, more use of outdoor facilities after dark, enhanced economic growth and the creation of built and natural environments that are a source of beauty and entertainment. This suggests that the use of light at night is linked to some very basic human motivations which in turn means that people value such benefits and will not willingly abandon them. Fortunately, careful lighting design, soundly-based outdoor lighting standards and new lighting and sensor technology offer the possibility of providing the benefits of light at night while minimizing the impact on the environment, and also, desk lamp, projector light at night.

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Plotting the electric field from a moving charge in 3D

I want to show a 3D electric field changing with time in response to the path of a moving charged particle. I have an animation of a particle traveling along a helical path using the parametrization for a helix (cos[t],sin[t], t). I took derivatives of this parametrization to find velocity and acceleration and using geometrized units (q=e0=c=1), subbed this into the equation for the E field of a moving particle :enter image description here

My plan was to make animations for the moving particle and changing field separately and then show them together. So far I was able to get the moving particle but I can’t get an animation for the changing E field yet. I’m thinking this is because I have an E[t] whereas Vectorplot3D needs an x,y,z so I’m not sure how to proceed. Any suggestions would be helpful. Many thanks!

My code so far is as follows. I’m not very adept at this kind of thing yet so I apologize that my code is not as clear as it could be, hopefully what I’m trying to do is clear. (Note – I used a z component of t/4 to adjust the height of the helix to look nice in the animation and I used z=8 in my r’ because that appears to be the total height the helix reaches.)

   Animate[ParametricPlot3D[{Cos[t], Sin[t], t/4}, {t, 0, u},    ImageSize -> Small,    MeshFunctions -> {#4 &},    Mesh -> {{u}},    MeshStyle -> Red,    Method -> {"BoundaryOffset" -> False},    PlotRange -> {{-2, 2}, {-2, 2}, {0, 8}}] /.    Point -> (Sphere[#, 0.15] &), {u, 10^-8, 30}, AnimationRate -> 0.12]   Rvector = {-Cos[t], -Sin[t], 8 - t/4};  Rnorm = Norm[Rvector];  Vvector = {-Sin[t], Cos[t], 1/4};   Vnorm = Norm[Vvector];  Alpha = Rvector/Rnorm - Vvector;  a = {-Cos[t], -Sin[t], 0};  Evector =    Rnorm/(4*\[Pi] (Rvector.Alpha)^3) ((1 - Vnorm^2)*Alpha +       Cross[Rvector, Cross[Alpha, a]]);  Ex = Evector[[1]];  Ey = Evector[[2]]; Ez = Evector[[3]];  Animate[VectorPlot3D[{Ex, Ey, Ez}, {x, -5, 5}, {y, -5, 5}, {z, -5,     5}], {t, 10^-50, }] 

enter image description here

China electric trike factory

Folding electric bicycles
OuFeng, Rooted from the Pursuit of Quality
OuFeng is a specialized and modernized company which set the research and development, production, marketing and service of electric motorcycle in one. The company owns international and modernized factory buildings, also have introduced advanced production equipment from Germany and high-precison research and development personnel at home and abroad. The production side treats quality inspection strictly and strives for perfection. Strong technical force, sophisticated equipment, advanced technology and high quality are the fundamental support of the high reputation of OuFeng. The company always takes the “rotted from the pursuit of quality” as the top concept. OuFeng not only produces good electric motorcycles, but also gives consideration to customers’ well-experience. In addition to deep interpretation of productions, the company’s innovation is more based on the insight of customers. Even a small adjustment can also inflect great care and careful revision of products.
If you’re interested in the the best portable folding electric scooter bicycles for adults, welcome to buy the appliance made in China with our factory. We are known as one of the leading manufacturers and suppliers in China. We won’t let you down.China electric trike factory
website:http://www.oufengelectricbicycle.com/electric-tricycle/

China 60hz electric motor supplier

Founded in 1991, Hanzel is specialized in the electric motor industry for over 25 years. Hanzel has 9 subsidiaries and 4 manufacturing plants all over the world with over 1000 employees. The motors are promoted in over 50 countries.
Hanzel offers a wide range of electric motors from 0.09kW to 630kW. The main products are standard induction motors with efficiency of IE1, lE2 and 1E3. Hanzel is also specialized in designing special motors for specific industries such as explosion-proof motor, inverter duty motor, two speed motor, smoke extraction motor and screw air compressor motor. The motors are widely used in industries including fans, pumps, compressors, conveyors, and etc.  
Customer is our first concern, quality is our top honor. Hanzel continues to build distribution network world widely, which enables us to provide local stock and delivery, customized products and excellent customer services.China 60hz electric motor supplier
website:http://www.hanzelmotor.com/
website2:http://www.hanzelmotor.org/