Duncan, J. (John), d. 1941 · London, MacMillan and co., limited · leaf 360
FIG. 367.—Simple rope brake. FIG. 368.—Rope brake for small powers. In cases when the power is small, it may be better to pass theropes round half the circumference of the wheel only (Fig. 368),using a spring balance at each end. The brake horse-power may becalculated from (P1-P2)27rRNB.H.P. = V—*—…
Mechanics
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