| 摘要 |
FIELD: aviation. SUBSTANCE: helicopter has fuselage with crew's cabin in nose section, two circular rims on which blades and engines are secured. Fuselage is provided with two circular slots where rollers are secured for mounting the above-mentioned circular rims with blades. Engines are mounted over perimeter of circular rim secured on fuselage. EFFECT: increased thrust of main rotors; improved controllability and maneuverability. 4 cl, 2 dwgr |
