3 ms·
Exciting news. A little hard to believe the rotation of the wheel would be enough to power a tire pump, but would be happy to be proved wrong!
by bambax 6y ago
Exciting news. A little hard to believe the rotation of the wheel would be enough to power a tire pump, but would be happy to be proved wrong!
- Toutouxc 6y agoI don't think it's "the rotation of the wheel", but rather the kinetic energy of the rider. The wheel just drives the pump.