Trivia:
"It may be of interest that the Flettner ships [intermeshing configuration]
have been landed from vertical descents in the manner characteristic of autogiros, (by pulling back on the control stick after nosing down from vertical descent). Collective pitch was not used."
" .. the [rotor, not engine]
governor was set at 160 rpm. The collective pitch lever allows the pilot to override the governor and adjust the pitch. _______________________
The above is reprinted from the June
1947 issue of American Helicopter.
How far have helicopters advanced, over the years?
The complete article can be found at;
http://www.unicopter.com/0474_2.html
Dave J.