FIELD: engines and pumps.
SUBSTANCE: proposed helicopter comprises rotor 1 and tail rotor 2, two cruising turbojet engines 3 and one primary engine 3 driving rotors 1 and 2, airframe 5 including crew cabin with control hardware, landing gear 6 and tail boom 7. Tail boom end carries stabiliser 8, keel 9, rudder 10 and elevator 11. Airframe top section 5 is provided with slotted ring to receive rotor 1. Airframe 5 is shaped to wing.
EFFECT: higher flight speed.
3 dwg
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