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  2. Outboard motor - Wikipedia

    en.wikipedia.org/wiki/Outboard_motor

    With the propeller pushing mostly air instead of water, the load on the engine is greatly reduced, causing the engine to race and the propeller to spin fast enough to result in cavitation, at which point little thrust is generated at all. The condition continues until the prop slows enough for the air bubbles to rise to the surface. [23]

  3. Hydroplane racing - Wikipedia

    en.wikipedia.org/wiki/Hydroplane_racing

    The engine sizes range from 9.9 horsepower (7.4 kW) to 50 horsepower (37 kW) with speeds from 30 miles per hour (48 km/h) to 90 miles per hour (140 km/h). In the C Stock Class, the Yamato Motor Company engines used in Kyōtei boat racing (with parimutuel betting ) in Japan, are reconditioned, shipped to the United States and used for racing in ...

  4. Johnson Outboards - Wikipedia

    en.wikipedia.org/wiki/Johnson_Outboards

    They started building inboard 2-cycle marine engines in 1903 in a barn behind the house, along with matching boats. By 1908, they were making V4, V6, V8, and V12 aircraft and marine engines. In 1910, they built the first U.S. monoplane to exhibit their aircraft engines. By 1912, their V-12 was making 180 hp, when disaster struck the factory.

  5. Dornier Do 27 - Wikipedia

    en.wikipedia.org/wiki/Dornier_Do_27

    Do 27B-2 powered by a 254 kW (340 hp) Avco Lycoming GSO-480 piston engine with a three-bladed propeller and a larger tail, one built. Do 27H-2 Do 27H-2 Variant of the H-1 for the Swiss Air Force with some modifications as applied to the Do 27Q-1 Do 27J-1 Production of the Do 27A-4 for Belgian Army, 12 built. Do 27K-1

  6. List of Yamaha Corporation products - Wikipedia

    en.wikipedia.org/wiki/List_of_Yamaha_Corporation...

    PSR-OR700 (2007, Oriental version of Yamaha PSR-S700) PSR-A2000 (2012, Oriental model and black version of Yamaha PSR S710. And the first A series whose Pitch Band and Modulation uses a Joystick) PSR-A3000 (2016, Oriental version based on Yamaha PSR-S770 and first A Series to have multiple colours in the board)

  7. Thrust-specific fuel consumption - Wikipedia

    en.wikipedia.org/wiki/Thrust-specific_fuel...

    For example, Concorde cruised at 1354 mph, or 7.15 million feet per hour, with its engines giving an SFC of 1.195 lb/(lbf·h) (see below); this means the engines transferred 5.98 million foot pounds per pound of fuel (17.9 MJ/kg), equivalent to an SFC of 0.50 lb/(lbf·h) for a subsonic aircraft flying at 570 mph, which would be better than even ...