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  2. Reduction drive - Wikipedia

    en.wikipedia.org/wiki/Reduction_drive

    The Midwest twin-rotor wankel engine has an eccentric shaft that spins up to 7,800 rpm, so a 2.96:1 reduction gear is used. Aero-engine reduction gears are typically of the gear type, but smaller two-stroke engines such as the Rotax 582 use belt drive with toothed belts, which is a cheap and lightweight option with built-in damping of power surges.

  3. Desmodromic valve - Wikipedia

    en.wikipedia.org/wiki/Desmodromic_valve

    In modern engines, valve spring failure at high RPM has been mostly remedied. The main benefit of the desmodromic system is the prevention of valve float at high rpm. In traditional spring-valve actuation, as engine speed increases, the inertia of the valve will eventually overcome the spring's ability to close it completely before the piston ...

  4. Jacking gear - Wikipedia

    en.wikipedia.org/wiki/Jacking_gear

    A jacking gear (also known as a turning gear) is a device placed on the main shaft of an engine or the rotor of a turbine. The jacking gear rotates the shaft or rotor and associated machinery (such as reduction gears and main steam or gas turbines), to ensure uniform cool-down. Without turning, hogging or sagging can occur.

  5. Rev limiter - Wikipedia

    en.wikipedia.org/wiki/Rev_limiter

    The maximum RPM of an engine is limited to the airflow through the engine, the displacement of the engine, the mass and balance of the rotating parts, along with the bore and stroke of the pistons. [4] Formula One engines can rev up to 15,000 rpm as per Formula One rules [5] because of their smaller displacement, low mass, and short stroke.

  6. Testor Corporation - Wikipedia

    en.wikipedia.org/wiki/Testor_Corporation

    Duromatic was the manufacturer of the McCoy hobby engine, a popular motor for self-propelled models. These talks culminated in a joint marketing agreement of the McCoy engine with Testor model airplanes, as well as an agreement for each company to design its respective products to be interoperable with those of the other.

  7. Chevrolet Turbo-Air 6 engine - Wikipedia

    en.wikipedia.org/wiki/Chevrolet_Turbo-Air_6_engine

    A new naturally-aspirated version of the engine appears that produces 140 hp (104.4 kW) at 5200 rpm and 160 lb⋅ft (217 N⋅m) at 3600 rpm. [5]: 87 This engine has revised cylinder heads with larger valves, larger intake manifolds and exhaust port tubes, and a dual exhaust system.

  8. Daimler V8 engines - Wikipedia

    en.wikipedia.org/wiki/Daimler_V8_engines

    The 2.5-litre engine, only 30 inches (760 mm) in length and developing 140 bhp (100 kW) @ 5,800 rpm, gave better performance than Jaguar's own 2.4-litre DOHC in-line six, and after the 1960 merger the opportunity was taken to create an up-market Daimler V8 version of the Jaguar Mark 2. Between the years 1962 and 1969 17,620 Daimler/Jaguar V8s ...

  9. Menasco Motors Company - Wikipedia

    en.wikipedia.org/wiki/Menasco_Motors_Company

    An important advantage of owning a Menasco engine was Al's appreciation of the economics of using off the shelf interchangeable parts whenever possible. His company was the only supplier of inverted in-line engines in the early thirties in the USA. They had reasonably high power, and a ready availability of complete engines and repair parts. [6]

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