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'Pug' locomotives are small steam locomotives which were produced for light shunting work, usually at dockyards, factory sites, steelworks, collieries, and other similar locations. The name is derived from a common term in Scotland for a small industrial shunting engine , typically an 0-4-0 tank .
The most universal type of light is the headlight, which is included on the front of locomotives, and frequently on the rear as well. [2] Other types of lights include classification lights, which indicate train direction and status, and ditch lights, which are a pair of lights positioned towards the bottom of a train to illuminate the tracks.
Electrical generator driven by a small steam turbine, for the headlight and other locomotive lighting. [3]: 29 Sand dome Holds sand that is directed on to the rail in front of the driving wheels to improve traction, especially in wet or icy conditions or when vegetation is on the line, and on steep gradients. [2] [5] [6]: 118 [3]: 68
A switcher may also be called a yard pilot, switch engine, or yard goat. The term can also be used to describe the workers operating these engines or engaged in directing shunting operations. Switching locomotives may be purpose-built engines, but may also be downgraded main-line engines, or simply main-line engines assigned to switching.
Four-stroke model engines have been made in sizes as small as 0.20 in3 (3.3 cc) for the smallest single-cylinder models, all the way up to 3.05 in3 (50 cc) for the largest size for single-cylinder units, with twin- and multi-cylinder engines on the market being as small as 10 cc for opposed-cylinder twins, while going somewhat larger in size ...
The glow plugs used in model engines are significantly different from those used in full-size diesel engines. In full-size engines, the glow plug is used only for starting. In model engines, the glow plug is an integral part of the ignition system because of the catalytic effect of the platinum wire. The glow plug is a durable, mostly platinum ...
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Henry Hughes had been operating at the Falcon Works since the 1850s, producing items such as brass and iron cast parts for portable engines and thrashing machines. [1] In 1860 Henry Hughes announced he had entered into a partnership with William March who had extensive experience in the timber trade, and this would be added to the existing business of "engineers and manufacturers of railway ...