What is helicopters?
Best insight from top research papers
Helicopters are flight vehicles that can provide air transportation at low costs and are popular . They have a vehicle body, an engine unit, and a transmission unit. The engine generates rotation force that is transmitted to the rotor through the engine output shaft and rotor input shaft . The rotor is responsible for adjusting the raising and lowering of the vehicle body, and it is supported by a rotor direction conversion support part . Helicopters can also have aerodynamic wings that produce lifting force through the rotation of a lifting rotor. In some cases, the rotation of the rotor wings is achieved through pulsed application of torque, resulting in more economical flight . Rotorcrafts, which are a type of helicopter, provide controlled flight in all six degrees of freedom through counter-rotating rotor blade assemblies and a rotor blade control system . Unmanned helicopters, piloted from the ground or an accompanying craft, offer various applications including high speed, flexibility, and low-altitude passes .
Answers from top 4 papers
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| Papers (4) | Insight |
|---|---|
| The provided paper is about a rotorcraft with coaxial counter-rotating rotors that provide controlled flight in all six degrees of freedom. It does not provide information about what helicopters are. | |
| The paper is about a man-powered aircraft designed according to a helicopter layout. It describes how the aircraft uses a lifting rotor with aerodynamic wings to generate lifting force. However, it does not provide a general definition of helicopters. | |
| The provided paper is about a helicopter type flying vehicle, but it does not provide a definition or explanation of what a helicopter is. | |
| The provided paper is about a helicopter type flight vehicle. It does not provide a definition or explanation of what a helicopter is. |
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