Bike Hack – How to Build an Electric Bike! (or Trike Is it?)

by max on Saturday, January 17th, 2009

I have to say that although I’ve seen slew of electric bikes on the market these days, this homemade electric trike is probably the one I would want to get or build at the least.

Check out the video, this thing ROCKS:

Click Here to View in Full Screen Mode

It looks pretty simple enough to build as you can see above with 2 batteries, fuse, switches, bunch of wires, and what looks like a control unit of some sort for the motors.

Here’s the parts list:

This part of the project was a strange mixture of quality and last minute bodging.

- I used two 12v 32amp batteries
- A 75amp 24V speed controller made by 4QD in England- quite pricey but really reliable
- 5 LED battery condition meter
- Plunger pot for throttle
- Lots of cable
- Connectors for batteries
- Two 24v 300W DC motors

and the DIY Page here

via hackedgadgets

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  • samsmeg
    Hi there,

    I am the designer/creator in which I posted the video and Instructable. I am really enthused about all the interest and the fact it has been embedded here!

    The costs roughly as I vaguely remember:
    Batteries: £40 each
    Motors: £25 each
    Speed control: £80
    Wiring: £20
    10" rear wheels: £10 each
    Various bearings bolts and fixings: £20
    Box section mild steel frame- found lengths of it at school
    BMX front end I already had

    Here is the Instructable: http://www.instructables.com/id/600W-Electric-T...
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