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The thermodynamics of heat-engines (1903)

Reeve, Sidney A. (Sidney Armor), 1866-1941 · New York, London, The Macmillan Company · leaf 313

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h that they could seldom be driven appreci-ably above their rating, and often not fully up to it. Eventhe much more liberal practice shown in the accompany-ing diagrams reveals a maximum load only 18% abovethe rating; and, while the writer does not know that thisis the extreme maximum capacity of… … Overload, 17.4,< above Rated Brake Power FIG. 52 as the standard efficiency of the engine, an efficiency whichis only some 78% of what the engine plainly shows that itcan do when given a chance. Yet, after all, the margin ofpower above the rating, 18%, which is purchased at theprice of the loss…

Thermodynamics · Heat-engines

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