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  2. Engine order telegraph - Wikipedia

    en.wikipedia.org/wiki/Engine_order_telegraph

    An engine order telegraph or E.O.T., also referred to as a Chadburn, [1] is a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.

  3. List of GWR standard classes with two outside cylinders

    en.wikipedia.org/wiki/List_of_GWR_standard...

    William Dean, Armstrong's successor, designed (among others) four classes of locomotive, 2-4-0 and 0-6-0 tender and tank engines, which shared many standard components. However, it was Churchward who carried the policy to lengths which made GWR locomotives distinctive and shaped their development until the nationalisation of the railways .

  4. Pennsylvania Railroad class T1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_T1

    To reduce their propensity to slip, 6111 was experimentally fitted with 1/2 in steel lining of all four of its cylinders, reducing each bore (diameter) by a full inch. This reduced the tractive effort, from nearly 65,000 lbs to just over 58,000 lbs. [ 22 ] 6110 was similarly treated, as were 7 of the production T1's.

  5. Engine efficiency - Wikipedia

    en.wikipedia.org/wiki/Engine_efficiency

    6.1.2 Steam turbine. 6.2 ... Low speed diesel engines like the MAN S80ME-C7 have achieved an overall ... In earliest steam engines the boiler was considered part of ...

  6. Chicago and North Western R-1 class - Wikipedia

    en.wikipedia.org/wiki/Chicago_and_North_Western...

    [2] [3] The R-1 design was to be equipped with 63-inch (1,600 mm) diameter driving wheels, and the boiler and firebox were to be lifted and carried over the driving wheels. [ 3 ] [ 4 ] [ 5 ] The rear section of the R-1 boiler with the firebox was to be larger than that of the D class at 74 inches (1,880 mm) in diameter, while the front section ...

  7. Climax locomotive - Wikipedia

    en.wikipedia.org/wiki/Climax_locomotive

    Scott's patent [6] showed the arrangement of the steam engine, boiler and two-speed gearbox in accordance with Gilbert's patent [1] while the drive without differential gearbox was described in accordance to Battles' patent. [3] Scott's patent corresponds to the most common design of Class A Climax locomotives.

  8. Cutoff (steam engine) - Wikipedia

    en.wikipedia.org/wiki/Cutoff_(steam_engine)

    In a steam engine, cutoff is the point in the piston stroke at which the inlet valve is closed. On a steam locomotive, the cutoff is controlled by the reversing gear.. The point at which the inlet valve closes and stops the entry of steam into the cylinder from the boiler plays a crucial role in the control of a steam engine.

  9. LNER Class W1 - Wikipedia

    en.wikipedia.org/wiki/LNER_Class_W1

    A modified A4 boiler was fitted which had 50 sq ft (4.6 m 2) of grate area and 20 in (508 mm) diameter cylinders. The valves were considered undersized for the large cylinder diameter and this somewhat limited the speed capabilities of the engine. Its haulage capacity was nonetheless appreciated.