"Chris W" wrote in message
...
Gordon wrote:
On Mar 20, 12:55 am, Ricky wrote:
http://www.youtube.com/watch?v=_Isi2...eature=related

Thanks,

Ricky

My old pal, the Mi 24 Hind. The apparent stoppage of the rotors is
due to their rotation nearly matching the refresh rate of the video -
not magic.

It's amazing how well in sync the rotors and the camera shutter are. Does
that helicopter have some kind of computer controlled rpm governor?

It's a Turbine. It has to have. Usually it regulates somewhere between 93
and 103% depending on what you want it to do. It's a combination of fuel
control and rotor pitch.



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