The internal combustion engine; a text-book for the use of students and engineers (1915)
Wimperis, Harry Egerton, 1876- · New York, D. Van Nostrand company · leaf 158
is all being spent in friction it produces heat, CHAP. V | THE (JAS ENGINE :*o and in the larger engines the flywheel has to be cooled by awater spray. In the very biggest engines even this is notenough and a special water churning brake is used, or else theload is taken up electrically. In the… … ^>oy> Shape of Wood Blocks. Fig. 44.—Arrangement for Brake Horse-Power Test. into H.P. and dividing the result by the dynamo efficiency. D Tip 94. Mechanical Efficiency.—The ratio of is the mechanical efficiency of the engine. It is usually from 75 percent, to 85 per cent, at full load. The…
Internal combustion engines
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