Pale Rider
Legendary Member
I wasn't aware you could still get bottle dynamos.
Presumably, LEDs need less oomph to provide a decent light than incandescent bulbs, so your bottle dynamo rig could work well.
Years ago, tyre sidewalls had a tread to grip the spinning top of the bottle.
I wonder if it made any difference?
Presumably, LEDs need less oomph to provide a decent light than incandescent bulbs, so your bottle dynamo rig could work well.
Years ago, tyre sidewalls had a tread to grip the spinning top of the bottle.
I wonder if it made any difference?