Booster engine
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A booster engine for steam locomotives is a small two-cylinder steam engine back-gear-connected to the trailing truck axle on the locomotive or, if none, the lead truck on the tender. A rocking idler gear permits it to be put into operation by the engineer. It would drive one axle only and could be non-reversible with one idler gear or reversible with two idler gears.
Videos
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External Links
- "Booster engine", Wikipedia
- Fred Smith's 1-1/2 inch scale Booster engine at LALS BLS Meet 1975
- "Steam Locomotive Booster"
- "Trailing Truck Booster Engines", Chaski Railfan
- "Boosters", LNER
- "Well Folks, Here it is", Chaski.org
- "Help Needed: LS&I Tender w/ Booster Truck", Chaski.org
- "Franklin C-1 Booster", Chaski.org