Originally Posted by
HeliComparator
Anyway lots of people believe the earth is flat. Even more believe in an imaginary friend. So there is no point in trying to convince those who have firm beliefs to change their minds.
As a professional helicopter pilot and military trained instructor since 1979 I probably am rather fixed in my beliefs.
Try replacing the rotor blades with lengths of non aerodynamic, 4 x 2 planking and then see if you can make them precess using the same control system.