Grade 11 High School Tech - Dynamo and E Bike?

PSP.Playa

New member
For a grade 11 high school project were developing a tricycle which can operate normally while charging a battery to power a motor while coasting and/or braking. The battery will be charged and will run the motor to help travel.

We just started and are still in the research and planning phase, with a budget of $2000.00

My questions are:
Would a Hub Dynamo be an efficient way to capture electrical energy while coasting, if it can be re-wired and approximate pricing?

How can the braking system capture the frictional energy produced when braking?

Thanks for any answers, even if it's just for one of my questions
 
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