FIELD: aviation.
SUBSTANCE: proposed helicopter has case, rotor with two jet blades and drive nozzles secured on helicopter structural member and two other jet blades with drive nozzles secured for independent opposite direction of rotation relative to two jet blades mounted on helicopter structural member. Two jet blades have opposite design in shape and direction relative to two other jet blades with respective drive nozzles.
EFFECT: enhanced efficiency.
3 cl, 13 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HELICOPTER | 2000 |
|
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