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  2. Valvetrain - Wikipedia

    en.wikipedia.org/wiki/Valvetrain

    Cutaway of a dual overhead camshaft engine 1969 AMC V8 overhead valve engine. The rocker cover has been removed, so elements of the pushrods, rocker arms, valve springs, and valves are visible. A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. [1]

  3. Piaggio Beverly - Wikipedia

    en.wikipedia.org/wiki/Piaggio_Beverly

    Introduced in 2001, the Piaggio Beverly has been produced in engine sizes ranging from 125 to 500 cc. Early models were powered by Piaggio's water-cooled L.E.A.D.E.R. engine. In 2005 models with 250 cm 3 and 500 cm 3 displacement were also presented and the engine range was subsequently expanded to 300 cm 3, 350 cm 3 and 400 cm 3 displacement.

  4. Pneumatic valve springs - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_valve_springs

    Pneumatic valve springs are also found in several Moto GP motorcycle engines, debuting in 2002 with the Aprilia RS Cube. In 2005, Team Roberts was the first to use pneumatic valves full-time in their uncompetitive KTM powered bike.

  5. Valve job - Wikipedia

    en.wikipedia.org/wiki/Valve_job

    A valve job is the colloquial term for resurfacing the mating surfaces of the poppet valves and their respective valve seats that control the intake and exhaust of the air/fuel mixture in four stroke internal combustion engine, replacing valve oil seals, replacing any deficient valve springs, and otherwise bringing the components of a cylinder head up to manufacturer’s spec. [1] A ...

  6. Miss Shilling's orifice - Wikipedia

    en.wikipedia.org/wiki/Miss_Shilling's_orifice

    The Rolls-Royce Merlin engine originally came with a direct carburettor, prone to cut-out due to fuel flooding in negative G. Beatrice Shilling Miss Shilling's orifice was a very simple technical device created to counter engine cut-outs experienced during negative G manoeuvres in early Spitfire and Hurricane fighter aeroplanes during the Battle of Britain.

  7. UNRWA says Israel ban will be disastrous, US says exaggeration

    www.aol.com/news/unrwa-says-israel-ban...

    Implementation of a ban on the U.N. Palestinian relief agency UNRWA in Israel - due to start on Thursday - will be disastrous, the UNRWA chief told the Security Council on Tuesday, as the United ...

  8. Trump in favor of Elon Musk or Larry Ellison buying TikTok - AOL

    www.aol.com/finance/trump-favor-elon-musk-larry...

    President Donald Trump said he is in favor of Elon Musk or Larry Ellison buying TikTok as he offered his latest thinking on what a deal might look like to save the US operations of the social ...

  9. Mechanism of diving regulators - Wikipedia

    en.wikipedia.org/wiki/Mechanism_of_diving_regulators

    A cracking pressure adjustment knob can be seen at the left side of the valve mechanism. Screwing it in increases the pre-load on the valve spring and increases the pressure difference required to pull the diaphragm in enough to open the valve. Cracking pressure adjusting knob and flow deflector lever on Apeks TX100 demand valve