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The tail rotor is tilted to the side. Therefore it has a slight vertical
component to its thrust. Perhaps, the tilt was a tentative step by Sikorsky toward having both rotors face upward, and both contributing to lift. The world's first production helicopters had two main rotors. (http://www.unicopter.com/0474.html & http://avia.russian.ee/vertigo/focke_drache-r.html). IMHO, rotorcraft configurations will move away from the tail rotor and back to where they should have been all along. Peter Seddon" wrote in message And what are the main engines rated at then? I am intrigued as I had expected the tail to take no more than 10% of total power. |
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The reason for the high Hp rating on the Fantail is the sideward flight
capability - 80 knots. Dan Hollenbaugh Comanche Test Engineer Dave Jackson wrote in message ... The tail rotor is tilted to the side. Therefore it has a slight vertical component to its thrust. Perhaps, the tilt was a tentative step by Sikorsky toward having both rotors face upward, and both contributing to lift. The world's first production helicopters had two main rotors. (http://www.unicopter.com/0474.html & http://avia.russian.ee/vertigo/focke_drache-r.html). IMHO, rotorcraft configurations will move away from the tail rotor and back to where they should have been all along. Peter Seddon" wrote in message And what are the main engines rated at then? I am intrigued as I had expected the tail to take no more than 10% of total power. |
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