Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 202
an equiva-iCnt weight acting at G, Brakes are usually constructed by fastening blocks of wood,on the inside of flexible bands of iron, so as to encircle au^heel. The inside of the blocks should be fitted to the wheel,and the spaces between the blocks should be at least equal toone third the area of… … Fig. 88.—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
Building materials · Machinery
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