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Aircraft - Wikipedia, the free encyclopedia (1918 words) |
 | Heavier than air aerodynes, including autogyros, helicopters and variants, and conventional fixed-wing aircraft (airplanes or aeroplanes). |
| Fixed-wing aircraft generally use an internal-combustion engine in the form of a piston engine (with a propeller) or a turbine engine (jet or turboprop), to provide thrust that moves the craft forward through the air. |
| Examples of lighter-than-air aircraft include non-steerable balloons, such as hot air balloons and gas balloons, and steerable airships (sometimes called dirigible balloons) such as blimps (that have non-rigid construction) and rigid airships that have an internal frame. |
| IFO PICTURE LIBRARY - VTOL (no disc) (713 words) |
| Experimental study of the Aerodyne principle on behalf of the Federal German Ministry of Defence. |
| According to A.M. Lippisch, an Aerodyne is a wingless, unmanned vertical take-off aircraft. |
| An Aerodyne combines lift and propulsion generation in a single structural unit, the inner flow channel, which is an annular wing with a fan. |
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