Huey Hog

Huey Hog
Speed of sound as close to a helicopter rotor tip can I go?

When I go to the sound and the Chinook helicopter or Huey Hog I was curious to hear your hands, if this is the advice of the rotor. Who? Who?

Help rotor Chinook, such as pigs, we Talk, to explain why I used to be Chinook. Chinook's rotor diameter of 10m, and a top speed of the rotational speed Rotation per minute to 225. If you take it from the rotor 225 in the r / min, Rotation, and all tips (Strictly speaking, the same rate to move They) have the same angle, the speed. Take it all the rotor tip Angle, speed (10m) * (2) * Pi * is (225 r in / min) (1 min/60 sec) = 236m / s in 236m / S or = 850 km / hour when the Chinook a top speed of 315km / hour, each wing Moving from one wing tip actually travel 850km / hour + 315km / hour, It not only because the rotation, but the entire aircraft To move through the air. Chinook counter the spin of the front wings When the direction from the top, so the tip is moving at 1,165 km This, in time, most point of its arc, the starboard. Rear rotors, So the port side of the helicopter from the rapid movement in the opposite direction Spins. Sea at the speed of sound 1 천 2 백 36km / hr 20 degrees (Celsius) is eit Day (68 degrees Fahrenheit). Thus, the wing tip only 71km / hour over the speed of sound Slow. In fact, most of which are limited to the speed of the helicopter. If any part of the rotor actually breaks the sound barrier, A helicopter loses stability. Marked nanyi was helpful Please.

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