Identifier: locomotiveengine12hill (find matches)
Title: Locomotive engineering : a practical journal of railway motive power and rolling stock
Year: 1892 (1890s)
Authors: Hill, John A. (John Alexander), 1858-1916 Sinclair, Angus, 1841-1919
Subjects: Railroads Locomotives
Publisher: New York : A. Sinclair, J.A. Hill (etc.)
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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what has been accomplished. Thephotograph shown represents the Queen& Crescent Limited with five cars run-ning up a 52-foot grade at a speed of 61miles per hour, as indicated by the speedrecorder on the engine. It will be noted all driven off as gas by the heat of thefurnace, in a few seconds after the coalenters the firebox. Hydrocarbons, when unconsumed, makeobjectionable black smoke, but when a suf-ficient quantity of air is mixed with thehydrocarbons combustion is complete andno smoke appears. Passenger locomotives have been pro-vided with hollow fire-brick arches anddeflecting air tubes to deflect the gasesand to supply the necessary air to mai^eperfect combustion. Rules. After firing each shovelful of coal thedoor must be left open one or two inchesfor a few seconds, admitting enough airto produce complete combustion of thegases driven off from the coal. Care mustbe taken not to leave the door open longerthan necessary to consume the gases. Firemen must learn to work with as
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QUEEN i Ll,^. ...-.i LIMITED, RUNNING 6l MILES .\N HOUR OX GRADE 52 FEET TO THE MILE. especially the absence of the objectionableblack smoke. To secure these results it was necessary,first, to equip the engines with brickarches, as indicated in the cut herewith.Four holes are shown on each side of thefirebox for the purpose of admitting air.Four tubes run through the arch, and theoutside air. passing through these tubes,is heated to a high temperature. Thisheated air supplies oxygen to the uncon-sumed gases and produces complete com-bustion. The four holes in each side ofthe firebox are located 13 inches abovethe grates, and into these openings areinserted the Sharp patent deflecting airtubes, deflecting the air into the fire.Second, to thoroughly educate the engine-men and firemen in the methods necessaryto produce the desired results, and to thisend the following instructions were issued: INSTRUCTIONS FOR FIRING P.\SSENGER LOCO-MOTI\-ES ON THE QUEEN & CRESCENT. TO pre\t:nt smoke

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