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  2. Side mount - Wikipedia

    en.wikipedia.org/wiki/Side_mount

    Side mount may refer to more than one topic. Sidemount or side mount is a configuration of breathing gas cylinders carried by scuba divers, and a shortened form of Sidemount diving or Side mount diving

  3. Chevrolet small-block engine (first- and second-generation)

    en.wikipedia.org/wiki/Chevrolet_small-block...

    However, it was the 350 cu in (5.7 L) series that became the best-known Chevrolet small-block. Installed in everything from station wagons and sports cars to commercial vehicles, boats, industrial equipment, and even (in highly modified form) in aircraft, the 350 is the most widely-used small-block engine of all time.

  4. Sidemount diving - Wikipedia

    en.wikipedia.org/wiki/Sidemount_diving

    Regulator set Each primary sidemount cylinder requires a regulator 1st stage, a regulator second stage and a submersible pressure gauge (SPG). The left hand cylinder will also include a low-pressure inflator (LPI) for BCD inflation. If a drysuit is used, the drysuit inflator will be attached to the right hand cylinder.

  5. Buoyancy compensator (diving) - Wikipedia

    en.wikipedia.org/wiki/Buoyancy_compensator_(diving)

    Buoyancy compensators are also used with rebreathers. In most cases back-mounted technical diving rebreathers use a wing type bladder integrated with the rebreather harness, with the bladder around the frame of the rebreather. Side mounted rebreathers tend to be suspended from the sides of side-mount harnesses, which include the buoyancy ...

  6. Flathead engine - Wikipedia

    en.wikipedia.org/wiki/Flathead_engine

    A crossflow T-head sidevalve engine The usual L-head arrangement Pop-up pistons may be used to increase compression ratio Flathead with Ricardo's turbulent head. A flathead engine, also known as a sidevalve engine [1] [2] or valve-in-block engine, is an internal combustion engine with its poppet valves contained within the engine block, instead of in the cylinder head, as in an overhead valve ...

  7. Chevrolet small-block engine - Wikipedia

    en.wikipedia.org/wiki/Chevrolet_small-block_engine

    The Chevrolet small-block engine refers to one of the several gasoline-powered vehicle engines manufactured by General Motors. These include: The first or second generation of non-LS Chevrolet small-block engines; The third, fourth, or fifth generation of LS-based GM engines; The Chevrolet Gemini small-block engine

  8. Surface-supplied diving equipment - Wikipedia

    en.wikipedia.org/wiki/Surface-supplied_diving...

    A helmet bailout block has the bailout valve knob to the side to distinguish it from the free-flow, or defogging valve, which is commonly to the front of the same manifold. The bailout block has a connection for the main gas supply hose from the umbilical through a non-return valve, which prevents backflow from the helmet if the hose is damaged.

  9. Backplate and wing - Wikipedia

    en.wikipedia.org/wiki/Backplate_and_wing

    A backplate and wing (often abbreviated as BP&W or BP/W) is a type of scuba harness with an attached buoyancy compensation device (BCD) which can be used to establish neutral buoyancy underwater and positive buoyancy at the surface.