Helicopter In-7
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Helicopter In-7 - Mil OKB. Photo.

Helicopter In-7 - Mil OKB. Photo.

 

 

Helicopter In-7 - an experienced helicopter jet engine rotor design Mil.

The helicopter design includes an all-metal teardrop-shaped fuselage of a riveted semi-monocoque structure. On top of the power frames, a cast plate with bolts was installed. A gearbox is attached to the plate flange, which consists of a main rotor shaft (a swash plate and a main rotor hub with blades were installed on its axis) and unit engines. A bracket with hydraulic boosters and control rockers was attached to the front of the plate. There were three doors on the sides of the fuselage.

In addition to the pilot in the cockpit could accommodate three passengers or a stretcher with the patient and maintainer. Fuel tank located under the floor. Pump the fuel supplied to the fuel regulator, and then to the collector rotor shaft and then centrifugal force kerosene drove to TRD on zakontsovah carrying a two-blade propeller.

 

Helicopter In-7 photo.

Helicopter In-7 photo.

The blades have a rectangular steel spars with plywood paneling and wooden frame. They were fixed to the hub by means of axial and horizontal hinges total. The wear of blades laid two pipe fuel supply. Electrical wiring passes inside the spar. At the end of the main rotor shaft was installed at the top of the current collector devices for the power plant.

The first development in the USSR jet helicopter. Designers in the course of work are faced with technical difficulties, insurmountable at that time (in the turbojet engine and the load on the main rotor). The project is closed. 1-1962 First flight year.

 

Features The helicopter-7:

 

 

  • Crew: 1 

  • The greatest number of passengers: 3 

  • Length: 6,23m 

  • The diameter of the rotor: 11,60m 

  • Height: 2,91m 

  • Empty weight: 730 kg 

  • Normal takeoff weight: 835kg 

  • The highest take-off weight: 1050kg 

  • Powerplant: 2TRD AIHNUMX 

  • Maximum speed: 240km / h 

  • The speed at FL: 210km / h 

  • Practical range: 510km 

  • Ferrying range: 1000km 

  • Ceiling: 4500m 

 

 

Helicopter In-7. Gallery.

Helicopter In-7 in the fieldHelicopter In-7 modelHelicopter In-7 in aviagarazhe

Helicopter In-7 in the garage side viewHelicopter In-7 photo in the side viewHelicopter In-7 before the flight

Helicopter In-7 rear screwHelicopter In-7 view sdalekaHelicopter In-7 engines

Helicopter In-7 photo in aviagarazhe side viewHelicopter In-7 frameHelicopter In-7 front view

 

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