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  2. Bulleid chain-driven valve gear - Wikipedia

    en.wikipedia.org/wiki/Bulleid_chain-driven_valve...

    The Bulleid chain-driven valve gear is a type of steam locomotive valve gear designed by Oliver Bulleid during the Second World War for use on his Pacific (4-6-2) designs. It was peculiar to the Southern Railway in Britain , and borrowed from motor-vehicle practice in an attempt to create a compact and efficient design with a minimum of service ...

  3. Plug valve - Wikipedia

    en.wikipedia.org/wiki/Plug_valve

    The plugs in plug valves have one or more hollow passageways going sideways through the plug, so that fluid can flow through the plug when the valve is open. Plug valves are simple and often economical. When the plug is conically tapered, the stem/handle is typically attached to the larger diameter end of the plug. Plug valves usually do not ...

  4. LNER Class P2 - Wikipedia

    en.wikipedia.org/wiki/LNER_Class_P2

    The wedge-shaped front was found to lift the engine's smoke clear of the driver's view; [15] No. 2002 was altered to this form in 1936, and No. 2001 in 1938. [16] Three further locomotives, Mons Meg, Thane of Fife and Wolf of Badenoch, were under construction at Doncaster in 1936. [14]

  5. SR Merchant Navy class - Wikipedia

    en.wikipedia.org/wiki/SR_Merchant_Navy_class

    The SR Merchant Navy class (originally known as the 21C1 class, and later informally known as Bulleid Pacifics, Spam Cans – which name was also applied to the Light Pacifics – or Packets) is a class of air-smoothed 4-6-2 (Pacific) steam locomotives designed for the Southern Railway by Oliver Bulleid.

  6. Southern Pacific Class P-8 - Wikipedia

    en.wikipedia.org/wiki/Southern_Pacific_Class_P-8

    In all, a total of 15 locomotives of what had become the Southern Pacific Class P-8 were ever constructed by the Baldwin Locomotive Works in 1921 and they were all numbered as 2461-2475. [ 1 ] [ 2 ] They were designed to be used on the Southern Pacific specifically for the Overland Route from Ogden, Utah , to Oakland, California .

  7. Chrysler B engine - Wikipedia

    en.wikipedia.org/wiki/Chrysler_B_engine

    The Chrysler B and RB engines are a series of big-block V8 gasoline engines introduced in 1958 to replace the Chrysler FirePower (first generation Hemi) engines. The B and RB engines are often referred to as "wedge" engines because they use wedge-shaped combustion chambers; this differentiates them from Chrysler's 426 Hemi big block engines that are typically referred to as "Hemi" or "426 Hemi ...

  8. Fusible plug - Wikipedia

    en.wikipedia.org/wiki/Fusible_plug

    A fusible plug operates as a safety valve when dangerous temperatures, rather than dangerous pressures, are reached in a closed vessel. In steam boilers the fusible plug is screwed into the crown sheet (the top plate) of the firebox , typically extending about 1 in (25 mm) into the water space above it.

  9. Pennsylvania Railroad class K5 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_K5

    The Pennsylvania Railroad's class K5 were experimental 4-6-2 "Pacific" types, built in 1929 to see if a larger Pacific than the standard K4s was worthwhile. Two prototypes were built, #5698 at the PRR's own Altoona Works, and #5699 by the Baldwin Locomotive Works. Although classified identically, the two locomotives differed in many aspects, as ...

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