[adamanonymous]

You missed the last and most funny one

>Driving a gyrobus has the added complexity that the flywheel acts as a gyroscope that will resist changes in orientation, for example when a bus tilts while making a turn, assuming that the flywheel has a horizontal rotation axis.

So you have a giant blender than can travel one mile in a straight line before needing to be recharged

[iefbr14]

There once was a train that made clever use of that effect: https://en.wikipedia.org/wiki/Gyro_monorail

[frollogaston]

Shouldn't it still be able to turn, just not tilt?

[satiric]

It depends what orientation you mount the gyroscope in, but yeah the "correct" way would be to make it axis vertical to limit pitch and roll