Aeronautics and astronautics – Aircraft – heavier-than-air
Patent
1997-04-21
1998-07-14
Kashnikow, Andres
Aeronautics and astronautics
Aircraft, heavier-than-air
244 23B, 244 125, 244 52, B64C 2900
Patent
active
057791880
ABSTRACT:
A flight vehicle which can be joined and firmly strapped to a load, the load being either a human pilot (P) or a remote-controlled pilot. The flight vehicle comprises a supporting frame for attaching to the load, a driving arrangement (100) incorporating a piston engine, and which is connected directly to the shrouded propeller (200) by means of a rotating drive shaft (108) for the purpose of setting up an air stream, also at least two jet pipes (300) which open into outlet nozzles (304, 305) mounted laterally alongside the load or the human pilot (P), whereby the said outlet nozzles can be adjusted to change the direction of the discharged air stream. It is by means of the outlet nozzles (304, 305) that the lift force is set up; this latter force enables the human pilot to lift off the ground to make hover or translatory flights. The shrouded propeller (200) is fitted with an intake funnel (202), which is essentially above the human pilot (P) or the load when the flight vehicle is in a normal flight position. The rotating drive shaft (108) which drives the propeller (200) is then essentially in a vertical position and the outlet nozzles (304, 305) are then essentially in a vertical gravity symmetry plane. The air stream produced by the propeller (200') is discharged through the jet pipes (300) at a subsonic velocity. The advantages of this flight vehicle are to be seen in the fact that the motive energy from the driving arrangement (100) is converted into a lift thrust with a very high degree of efficiency. The use of lightweight materials combined with the low fuel consumption allows prolonged flight periods.
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Brown Laurence R.
Dinh Tien
Kashnikow Andres
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