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  2. Remington Model SP-10 - Wikipedia

    en.wikipedia.org/wiki/Remington_Model_SP-10

    The Remington Model SP-10 is a gas-operated semi-automatic shotgun chambered for 10 gauge 3 + 1 ⁄ 2-inch (8.9 cm) Magnum shells. It was produced by Remington Arms from 1989 to 2010. [ 3 ] The design was based on the Ithaca Mag-10 .

  3. Silencer (firearms) - Wikipedia

    en.wikipedia.org/wiki/Silencer_(firearms)

    Another silencer technology uses a captive piston cartridge; examples are the Smith & Wesson Quiet Special Purpose Revolver (QSPR) and the Soviet and Russian PSS silent pistol, [45] OTs-38 Stechkin silent revolver and the MTs-116M suppressed sniper rifle, a 12.7mm silenced development of the 7.62mm MTs-116M. [46]

  4. Muffler - Wikipedia

    en.wikipedia.org/wiki/Muffler

    Silencer (silver) and exhaust pipe on a Ducati motorcycle A silencer cut open to show the insulation, chambers and piping inside the shell. A muffler (North American and Australian English) [1] or silencer (British English) is a device for reducing the noise emitted by the exhaust of an internal combustion engine—especially a noise-deadening device forming part of the exhaust system of an ...

  5. Transmission loss (duct acoustics) - Wikipedia

    en.wikipedia.org/wiki/Transmission_Loss_(duct...

    Thus, TL equals 20 times the logarithm (to the base 10) of the ratio of the acoustic pressure associated with the incident wave (in the exhaust pipe) and that of the transmitted wave (in the tail pipe), with the two pipes having the same cross-sectional area and the tail pipe terminating anechoically. [1]

  6. Exhaust system - Wikipedia

    en.wikipedia.org/wiki/Exhaust_system

    Exhaust system of the Opel Corsa B 1.2 petrol Exhaust manifold (chrome plated) on a car engine. An exhaust system is used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system ...

  7. AAC Honey Badger - Wikipedia

    en.wikipedia.org/wiki/AAC_Honey_Badger

    The Honey Badger was developed with a standard M4 upper and lower receiver, a short barrel with a very short gas impingement system and fast rate of rifling twist, a large conventional detachable silencer, and a proprietary buffer tube and collapsible stock featuring two prongs. [10] Whilst with the added silencer, it is 7.62-15.24 cm longer ...

  8. Magnus effect - Wikipedia

    en.wikipedia.org/wiki/Magnus_effect

    Streamlines for the potential flow around a circular cylinder in a uniform flow. The flow pattern is symmetric about a horizontal axis through the centre of the cylinder. At each point above the axis and its corresponding point below the axis, the spacing of streamlines is the same so velocities are also the same at the two points.

  9. Muffler man - Wikipedia

    en.wikipedia.org/wiki/Muffler_man

    Muffler men are large molded fiberglass sculptures that are placed as advertising icons, roadside attractions, or for decorative purposes, predominantly in the United States. Standing approximately 18–25 ft (5.5–7.6 m) tall, [ 1 ] the first figure was a Paul Bunyan character designed to hold an axe. [ 2 ]