DIY Pedal Generator for Electric Bike or Trike

A pedal generator for a chainless bike or human power – electric serial hybrid. Easy to build DIY project presented by Thomas Senkel. Free Plans for aluminum…
Video Rating: 5 / 5

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16 thoughts on “DIY Pedal Generator for Electric Bike or Trike

  1. Very nice 🙂 Good engineering.
    You can use that for a very clean bicycle design as well. Basically as
    simple as a kick scooter with a seat on a stick and only tiny suspension in
    the seat. Ultra light and inexpensive. You could even make it foldable as a
    camping/yacht mobility product. It can have very small wheels which makes
    the motor cheaper/stronger. Normal road surfaces don’t require big wheels.
    The generator could also use mesh gear instead of chain or even pedals
    directly on the generator if all you need is symbolic power to circumvent
    the law anyway. Elegant neat design has marketing appeal.
    And if you feel ambitious you could do an ultra light tesla roadster/lotus.
    It’s a very simple car with very simple suspension (google image lotus
    elise suspension)
    Only 2 doors, it can be done extremely light, much lighter than the 1200kg
    of the Tesla. And when it’s light it’s easy to accelerate fast. Target
    weight of 600kg or even lighter. As you know, it takes very little
    structural strength to carry 2 people and even styrofoam can be crumple
    zone. Easy to make light.
    You could build a rough demonstrator prototype and seek venture cap
    funding. That’s where the big money is.

  2. Very nice , but try to go to higher voltages and lower current ! Then your
    batteries will be drained less and will stay fit longer.
    Do you also use the BackEmf of your motor to recharge the batteries ? Have
    a look at SegelOhrenBob latest Bedini Scooter Video.

    Regards , Stefan.

  3. Very clean! A dustbin body faring and you will almost have a self propelled
    endless ride. Maybe a high tech tuk tuk!

  4. This is great, Thomas. I’ve been thinking about a system like this off and
    on for 15+ years. I’m happy to see you’ve taken the initiative and applied
    your talents to bring something like this to reality.

  5. Beautiful engineering! It looks like it has a very smooth ride – and is
    very quick too! Do you have any feedback for net energy usage on the
    battery, or have any indicator of energy remaining in the battery? How
    does it react when the battery gets low? I like how you can generate power
    when stationary, in case it runs out of power, then you can recharge
    somewhere in the shade or a place with a beautiful view. Nice job!

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