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  2. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    Excessive hammer blow from high slipping speeds was a cause of kinked rails with new North American 4–6–4s and 4–8–4s that followed the 1934 A.A.R. recommendation to balance 40% of the reciprocating weight. [8] Out-of-balance inertia forces in the wheel can cause different vertical oscillations depending on the track stiffness.

  3. Variable-pitch propeller (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Variable-pitch_propeller...

    Operation in a single engine reciprocating aircraft is as follows: Engine oil is pumped through the propeller shaft by the governor to push on a piston that drives the mechanism to change pitch. The flow of oil and the pitch are controlled by a governor, consisting of a gear type pump speeder spring, flyweights, and a pilot valve .

  4. Cam (mechanism) - Wikipedia

    en.wikipedia.org/wiki/Cam_(mechanism)

    A face cam produces motion by using a follower riding on the face of a disk. The most common type has the follower ride in a slot so that the captive follower produces radial motion with positive positioning without the need for a spring or other mechanism to keep the follower in contact with the control surface.

  5. Inline engine (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Inline_engine_(aeronautics)

    The major reciprocating-engine alternative configuration is the radial engine, where the cylinders are placed in a circular or "star" arrangement. The term "inline" is used somewhat differently for aircraft engines than automotive engines.

  6. Reciprocating engine - Wikipedia

    en.wikipedia.org/wiki/Reciprocating_engine

    Ray-traced image of a piston engine. There may be one or more pistons. Each piston is inside a cylinder, into which a gas is introduced, either already under pressure (e.g. steam engine), or heated inside the cylinder either by ignition of a fuel air mixture (internal combustion engine) or by contact with a hot heat exchanger in the cylinder (Stirling engine).

  7. Compressor map - Wikipedia

    en.wikipedia.org/wiki/Compressor_map

    A compressor map is a chart which shows the performance of a turbomachinery compressor. This type of compressor is used in gas turbine engines, for supercharging reciprocating engines and for industrial processes, where it is known as a dynamic compressor. A map is created from compressor rig test results or predicted by a special computer program.

  8. Could AMD Be the Nvidia of 2025?

    www.aol.com/could-amd-nvidia-2025-210500400.html

    Data Source: Investor relations. Over the last year, Nvidia's data center businesses has decelerated significantly.At the same time, AMD's data center business has evolved from essentially nothing ...

  9. ATA 100 - Wikipedia

    en.wikipedia.org/wiki/ATA_100

    ATA 100 contains the reference to the ATA numbering system which is a common referencing standard for commercial aircraft documentation. This commonality permits greater ease of learning and understanding for pilots, aircraft maintenance technicians, and engineers alike.