Why is it easy to balance on a moving bike, but almost impossible to stay upright when it stops?
First, let’s dispel the myth that is usually put forward at this point, which suggests gyroscopic effects have something to do with this. I built a bike with a reverse-running rotor attached to the front axle, which cancelled out all gyroscopic effects, and it was no more difficult to ride than a normal bike. Some simple sums will confirm that this is the case.
The way we stay upright on a moving bike is by active control through steering. This is…
