Leadership

Double Reduction Gear Drive

Issue 26 and Volume 64.

Double Reduction Gear Drive A new design of rear axle, doing away with side driving chains, is illustrated on this page. In addition to showing the solution of an important engineering problem, this design retains the advantages of chain drive and adds advantages of its own which produce greater efficiency. In announcing the double reduction gear drive, the White company in whose apparatus the new feature has been adopted states: “The chain and Sprocket afforded in heavy duty apparatus a double reduction system -one reduction in a jackshaft and a second reduction in the chain and sprocket wheels thus giving a large range of gear ratios and, consequently, a greater flexibility than can be had in any single reduction shaft drive unless the gear housing is made very large and the rear axle, in consequence, heavy and unwieldy. Chain drive also has this advantage: Power is applied to the rear…

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