Information about helicopters

The helicopter information is as follows:

1, power source, helicopter is mainly composed of airframe, lift, power and transmission system and airborne flight equipment.

2. Structural drive: The rotor is generally driven by a turboshaft engine or a piston engine through a mechanical transmission system consisting of a transmission shaft and a reducer, and can also be driven by the reaction force generated by the jet ejected from the blade tip.

Extended data:

The outstanding feature of the helicopter is that it can do low-altitude, low-speed and nose-to-nose maneuvers, especially vertical take-off and landing in a small area. Because of these characteristics, it has broad uses and development prospects.

In the military field, it has been widely used in ground attack, aircraft take-off and landing, weapons delivery, logistics support, battlefield rescue, reconnaissance patrol, command and control, communication, anti-submarine mine clearance, electronic countermeasures and so on. Used for short-distance transportation, forest protection and fire fighting, aerial photography, etc. The transportation of people and materials between offshore oil wells and bases is an important aspect of civil use.

Baidu encyclopedia-helicopter