Originally Posted by
Ascend Charlie
If there was no SAS and autopilot, a Chinook would want to roll on its side and proceed sideways like a twin-engined aeroplane.
Fancy electrickery makes it behave. And it is not easy to fly any helicopter, so all helicopter pilots are steely-eyed, fabulous bodies, and get all the chicks.
I liked this answer! :-)
But why the tendency to roll?