This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1912 Excerpt: ... fair to assume that engines may have an efficiency of 0.9 under favorable conditions. There appears to be no reason why this factor should be affected by size, but rather that it depends on the construction and condition of the engine. Effective Horse-power.--The simplest and perhaps the most useful information that ...

Propellers 2016, Palala Press

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Propellers... 2012, Nabu Press, Charleston SC

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Propellers 2009, BiblioLife, Charleston SC

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