Researchers at MIT recently revealed an elegant solution for anyone looking to get a little more power out of their bicycle. Developed by MIT’s Smart Cities programs, the GreenWheel is a self-contained electric wheel that can turn any pedal-powered bike into a fully-electric bicycle!
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The GreenWheel is essentially a bicycle wheel that has an electric motor and batteries embedded within it. The full casing is quite small and is able to be retrofitted to any
bike. Simply twist the handle mounted throttle and a bluetooth connection tells the electric motor to provide thrust. The wheel can be charged by plugging to the grid or by pedaling, and a full charge will give the motor a range of roughly 25 miles.
The GreenWheel was developed by Ryan Chin and Michael Chia-Lian Lin as part of MIT’s Smart Cities programs. The objective is to create a working prototype that can be installed and retroffited to any bike. The team is also thinking for the long term – they estimate that the batteries for the GreenWheel will last around 40,000 miles, or about 8 years worth of travelling.
+ MIT Smart Cities
Via MSNBC
This is a terrific development! It saves a tremendous amount of engineering required to house the battery seperately on the bike and enables the easy retrofit of any existing bicycle to electric power. Congratulations to the MIT Smart Cities Team.
Check out our own electric vehicle at http://www.onthemuv.com
Looks great…does it have regenerative braking? Should be a snap to engineer with such a self-contained unit. Just back off on the throttle and you have braking? Augment with normal friction brakes, of course.
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Great idea!
To market this product in Europe and Australia, there should be pedelec option. The throtte is not alloved in these market, e-bikes should e pedal asistant. The pedaling is always needed and the motor gives only assistance.
Do you have plans on this pedal assistance feature?
How much would this item cost to have it put onto my bike and the item itself? Also would this item work for a 20in. bike wheel?
How much & when & where?