Calculating the energy use and maximum range of ebikes

August 9, 2010

Introduction Using some of the physics and battery science that were introduced in the previous two articles, we are now in a position to measure the energy use and maximum range of a given EBike motor and battery combination. The first step is to estimate how much force is required to move a person on [...]

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EBikes Physics 101

August 2, 2010

First, Some Basic Physics Work is defined as the transfer of energy.  In physics, they say that work is done on an object when you transfer energy to that object. For example, if a golfer uses a club and gets a stationary golf ball moving when he or she hits the ball, the club does [...]

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Give Up The Gas! Electric Bikes and Bicycle Trailers

July 28, 2010

Less than ten years ago, big cars were in style. Big trucks, four-wheel drive SUVs, and the comeback of the Hummer led people down a gas-guzzling highway that consisted of low mileage, high emissions, and a feeling of complete domination of the road in their macho ride. These days, the attitude has changed entirely. Compact [...]

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The Savings of a Bicycle with Motor Power

July 17, 2010

Riding a bicycle with motor assistance is like a cross between a standard bicycle and a motorcycle. It feels like a pedal-powered bike, but it gives a boost powerful enough to go up steep hills. The advantages of this are fun, eco-friendly, and healthier than riding in a car or public transportation, but there is [...]

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The Best Electric Motor for Bicycles

July 14, 2010

Electric bikes are everywhere these days – from department stores to big retail chains to tiny closet-sized bike shops. With their popularity comes an ever shifting technology based around their efficiency. What lets one electric bicycle outperform another? All mechanical parts aside, let’s take an in-depth look at the electric system. The electric motor for [...]

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The Best Electric Bike Motor Kit

July 10, 2010

There are so many different kinds of electric bike motor kits available that it’s often overwhelming trying to figure out which components make up the best electric bike conversion kit, and if there’s a good balance between cost and investment of electric bike conversion kits. You don’t want to buy something that’s cheap and needs [...]

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History of the Electric Bike

July 3, 2010

Believe it or not, electric bikes have been around for over 100 years. Attaching an electric motor to a bicycle has always been a fascination for engineers looking to improve upon the basic two-wheeled design. Until recent years, electric bikes were bulky, problematic, and inefficient. It wasn’t until the 1990′s when electric bikes could run [...]

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Man and Machine: The Pedelec Bike

June 26, 2010

Electric bikes are pretty common these days, with all of the different kinds of electric bike motor kits and battery options available. You’d be hard pressed to find a bike shop who didn’t carry an electric bike, especially since all of the big bike manufacturers like Trek and Giant have electric bikes of their own. [...]

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Is There an Electric Car in Your Future?

June 8, 2010

EBikes 10:  Leaving the Gas Pump Behind, Part 2: Ever since the days of John D. Rockefeller’s monolithic Standard Oil Company, the major oil companies have made large profits selling petroleum.  From the start, everyone assumed that petroleum was a limited resource, but the tantalizing question always remained:  just how much petroleum exists beneath the [...]

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A Brief and Colorful History of Electric Cars

May 29, 2010

Leaving the Gas Pump Behind, Part 1: Many people consider electric bikes and electric cars to represent an advanced technology awaiting us in the future.  But electric bikes are being sold and ridden all around the world right now.  And electric cars have been around for over one hundred years!  In fact, during the decade [...]

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