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  2. Rotary engine - Wikipedia

    en.wikipedia.org/wiki/Rotary_engine

    The Seguin brothers then turned to rotary engines in the interests of better cooling, and the world's first production rotary engine, the 7-cylinder, air-cooled 50 hp (37 kW) "Omega" was shown at the 1908 Paris automobile show.

  3. Pneumatic motor - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_motor

    A pneumatic motor (air motor), or compressed-air engine, is a type of motor which does mechanical work by expanding compressed air. Pneumatic motors generally convert the compressed-air energy to mechanical work through either linear or rotary motion.

  4. Angelo Di Pietro (inventor) - Wikipedia

    en.wikipedia.org/wiki/Angelo_Di_Pietro_(inventor)

    The Di Pietro Motor, developed by the Australian company EngineAir, is a positive displacement pneumatic rotary engine powered by compressed air. Per unit of power, it is smaller than any internal combustion engine although the size may differ between models. The CA-patent for this engine was published in 2001. [3]

  5. Gnome Omega - Wikipedia

    en.wikipedia.org/wiki/Gnome_Omega

    The Gnome 7 Omega (commonly called the Gnome 50 hp) is a French seven-cylinder, air-cooled aero engine produced by Gnome et Rhône. [2] It was shown at the Paris Aero Salon held in December 1908 and was first flown in 1909. It was the world's first [1] aviation rotary engine produced in quantity.

  6. Clerget aircraft engines - Wikipedia

    en.wikipedia.org/wiki/Clerget_aircraft_engines

    The Clerget rotary engines were air-cooled with either seven, nine or eleven cylinders. They were fitted with a double thrust ball race, which enabled them to be used either as a pusher or as a tractor engine. The engines worked on a four-stroke cycle. The chief points of difference from other rotary engines were: The pistons were of an ...

  7. Bentley BR1 - Wikipedia

    en.wikipedia.org/wiki/Bentley_BR1

    [3] [4] The engine retained the Clerget’s signature offset epicyclical cam gears with separate pushrods for the intake and exhaust. In common with many other late war rotary engines, the new engine had two spark plugs per cylinder. [4] The engine was initially known as the A.R.1 for "Admiralty Rotary", but later called the BR.1 ("Bentley ...

  8. Gnome Monosoupape - Wikipedia

    en.wikipedia.org/wiki/Gnome_Monosoupape

    The Monosoupape (French for single-valve), was a rotary engine design first introduced in 1913 by Gnome Engine Company (renamed Gnome et Rhône in 1915). It used a clever arrangement of internal transfer ports and a single pushrod-operated exhaust valve to replace the many moving parts found on more conventional rotary engines, and made the Monosoupape engines some of the most reliable of the era.

  9. Bentley BR2 - Wikipedia

    en.wikipedia.org/wiki/Bentley_BR2

    This was the last type of rotary engine to be adopted by the RAF – later air-cooled aircraft engines such as the Cosmos Jupiter and Armstrong Siddeley Jaguar being almost entirely of the fixed radial type. With the BR.2, the rotary engine had reached a point beyond which this type of engine could not be further developed, due to its inherent ...