It was similar to the other nine engines, but used saturated instead of superheated steam, had a mechanical stoker and the coupled wheels on the leading engine unit were of a 5 inches (127 millimetres) larger diameter than those of the trailing engine unit. Compound expansion A good stoker also supplies air for combustion and regulates the rate of burning and, in large installations, disposes of the ashes. Some of these energy converters are quite simple. Known now as a spreader stoker they remain in use today especially in furnaces fueled by wood pellets or refuse.. The early windmills, for example,…





History at your fingertips For full treatment of steam power and production and of steam engines and turbines, see Energy Conversion: Steam engines. With 'house steam to run the stoker, the crew operated the coal auger and opened the stoker jets to blow the coal all over the grates. Mechanical firing was relatively common on big USA locomotives; here our interest is focused on the little steam engine that drove the stoker.
The stokers on locomotives were crude devices and could tolerate a fairly wide range of coal sizing.

Over the centuries a wide array of devices and systems has been developed for this purpose.

As a comparison, the efficiency of a typical modern locomotive boiler with a huge combustion chamber was less than 50% at maximum output.

THE ELVIN STOKER ENGINE The Elvin Stoker was a machine for firing steam locomotives. The spreader could be jets of steam, mechanical arms, or a fast rotating plate. There are three types: the over feed, the under feed and the cross feed. Fireman (steam engine) WP:GNL Georgia guy 13:54, 9 May 2019 (UTC) Support As the article states, the occupation does not always involve steam engines, so having that in the article title is contradictory; and Fireman otherwise redirects to the gender neutral Firefighter. Flash memory is most often used in portable devices.



Stoker, machine for feeding coal or other solid fuel into a furnace, usually supporting the fuel during combustion.



The engine casing is bolted to the stoker-frame, and the crank is mounted directly on the end of the stoker-drive shaft, so that the power is applied without the intermediary of chains or gears. A mechanical stoker is a mechanical system that feeds solid fuel like coal, coke or anthracite into the furnace of a steam boiler.They are common on steam locomotives after 1900 and are also used on ships and power stations.

Stoker engine will not work water through cylinder. For this reason, most stoker engines had a means of reversing their rotation.

This broad category encompasses such simple devices as the inclined plane, lever, wedge, wheel and axle, pulley, and screw (the so-called simple machines) as well as…



In 1939, a stoker was installed on the engine to both help the engine run better and save the crews some wear and tear.

'Stoker' is both more accurate, in terms of the range of the job, and gender neutral. Coal in the tender was broken up, passed forward by a screw conveyor, and thrown into the firebox by mechanical shovels. In a steam engine, hot steam, usually… Its dark in there, so they used lights to check the coal depth ----- 4 inches or so, is about right. Making sure there was adequate steam for the conditions was his main job but this didn’t mean the fireman* was just responsible for feeding the firebox but also for maintaining the water level in the boiler.

The mechanical means used are, depending on design, combinations of the The confined working conditions of a locomotive footplate meant that the earliest development of the stoker took place in this application. A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine.These locomotives are fuelled by burning combustible material—usually coal, wood, or oil—to produce steam in a boiler.The steam moves reciprocating pistons which are mechanically connected to the locomotive's main wheels (drivers).

The locomotive did both services well until dieselization spread across the Nevada Northern, at which point she was held in reserve for some time until being donated to the White Pine Public Museum.




After this has been done, throw gear box … Later designs also mechanised the retrieval of the coal from the tender using steam ram powered pushers and/or a helical screw. Designers sought to maximise power output in the locomotive by feeding coal at a rate faster than the In early designs the coal would still be shovelled by the fireman into a hopper which would feed into a crusher and then a screw or bucket elevator would lift the pulverised coal to a position where it could be mechanically scattered across the burning coals of the furnace by a spreader.

The under feeder pushes fresh coal into the bottom of the furnace and then advances it upwards so that it mixes with the burning coal above.


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