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Old 07-07-2009, 10:30 AM   #22 (permalink)
Finless
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Quote:
Originally Posted by joediamond View Post
Real helis don't do vertical autos, that's the reason they have a height/velocity chart. While they can do vertical autos from a low hover when they do that they are using the energy stored in the rotor to get the machine down.
OK so that makes sense now. Is it that they CANT do vertical and if not why? If they had negative available then I don't see why not?

Then I have to ask what happens in a real heli if you are in a 900 foot hover and the engine quits? To get forward momentum you would have to use energy from the rotor and change the angle of attach of the rotor to forward. In doing so wont you dump head speed without having negative to compensate?

Bob
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