Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 271
Fig. 119*—Brake applied to Portable Engine. 170. Strap-brakes.—Brakes are sometimes made by takingone or more turns of a rope or strap around a wheel, as shown … Fig. 120.—Strap-brake. in Fig. 120. In this case weights must be hung on both sides,and since the arm of action is equal, the resultant force § I73-] MEASUREMENT OF POWER. 241 acting is the difference between the two weights: that is, inthe figure the resultant force \s A — B; the equivalent…
Building materials · Machinery
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