Dual-rotor coaxial helicopter with wing-shaped rotors
A helicopter and twin-rotor technology, which is applied in the field of twin-rotor coaxial helicopters, can solve the problems of high vibration and noise, low speed of the helicopter, and low flying height, and achieve the reduction of cost and use fee, improvement of lift efficiency, and safe and reliable flight Effect
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[0062] The implementation of this invention, the key lies in the detailed design of the rotor, the verification and determination of each key data, finally carry out the test bench test of the rotor, obtain each required data, and then continuously carry out further improvement to reach the optimum. The specific implementation is as follows:
[0063] 1. Design and manufacture of rotor test bench
[0064] The rotor test bench is the basic tool equipment for realizing this invention. It needs to be able to change the rotation speed in multiple levels and display the rotation speed data of the rotor, display the self-weight of the rotor at rest and the pulling force generated by various working states, and provide reliable data for the test model.
[0065] 2. Extensively collect the wing airfoil, and identify the best airfoil, the best natural angle of attack, and the best control angle of attack through the test of the rotor test bench according to the principle of bionics.
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