Mechanical laboratory methods; a testing of instruments and machines in the mechanical engineering laboratory and in practice (1918)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 57
be varied by increasingthe weight on the left or by takingmore turns of the rope about thewheel; either procedure greatly in-creases the friction. Fig. 22 gives two other arrangements of rope brake and their equations. In operation, the heat generated by the friction is removed by circulating water… … 7J^7m777777777777?77^77777Tr77777T7p77 Fig. 21.—Rope Brake.
Mechanical engineering laboratories
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