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The first X-40A drop test occurred at Holloman AFB, New Mexico on August 11, 1998 at 06:59. It was released from an altitude of approximately 10,000 feet (3,000 m) [2] and 2.5 miles (4.0 km) away from the end of Runway 04 by a UH-60 Black Hawk helicopter [1] (later tests used an Army CH-47D Chinook helicopter).
The CB-40 was re-engineered to overcome problems of vibration and cooling in the original design. [2] Suited for ultralight use and single seat light sport aircraft, the engine weighs 86 lbs and produces 40 hp (30 kW). The engine uses a short aluminum crankcase with redesigned oil galleries for improved lubrication.
Training glider for yaw-roll coupling Quiet observation aircraft [39] X-27: Lockheed None 1971 high-performance research aircraft. High-performance fighter [40] Proposed development of Lockheed CL-1200 Lancer. Canceled and never flew. X-28 Sea Skimmer: Osprey: USN 1970 Low-cost aerial policing seaplane [41] X-29: Grumman: DARPA, USAF, NASA 1984 ...
The Douglas XB-42 Mixmaster is an experimental American bomber aircraft, designed for a high top speed.The unconventional approach was to mount the two engines within the fuselage driving a pair of contra-rotating propellers mounted at the tail in a pusher configuration, leaving the wing and fuselage clean and free of drag-inducing protrusions.
The power range is 28 to 50 hp (21 to 37 kW) and original standard engine specified was the 28 hp (21 kW) Rotax 277 with the 40 hp (30 kW) Rotax 447 as an optional, although the additional weight would probably put the aircraft in the US homebuilt category.
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X40 may refer to: . Boeing X-40, test platform for the X-37 Future-X Reusable Launch Vehicle; SJ X40, series of electric multiple units operated by SJ of Sweden; Southern Vectis route X40, bus route on the Isle of Wight, England
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