Shaft governors, centrifugal and inertia; simple methods for the adjustment of all classes of shaft governors . ng the speed of crank-shaft by the diameter of pulley 2 and dividing by thespeed of governor shows that the pulley 3 should be65 X 9 ^ 56 = in. in diameter. Where the pulley 3 is to be retained and a smallerone put on the crank-shaft, the speed of governor is tobe multiplied by the diameter of pulley and the productdivided by the speed of crank-shaft. Then 56 x 12 ~65 = in. Where a governor is driven by gears the same prin-ciple is involved, but some engineers do not unders
Shaft governors, centrifugal and inertia; simple methods for the adjustment of all classes of shaft governors . ng the speed of crank-shaft by the diameter of pulley 2 and dividing by thespeed of governor shows that the pulley 3 should be65 X 9 ^ 56 = in. in diameter. Where the pulley 3 is to be retained and a smallerone put on the crank-shaft, the speed of governor is tobe multiplied by the diameter of pulley and the productdivided by the speed of crank-shaft. Then 56 x 12 ~65 = in. Where a governor is driven by gears the same prin-ciple is involved, but some engineers do not understandit so, therefore an illustration will be given. Figure 35 shows a governor driven from the crank-shaft by gears. Here 2 represents a gear on thecrank-shaft, which drives another gear 3 on an inde-pendent stud. The latter is twice as large as the 114 SHAFT GOVERNORS former and the bevel gears 4 and 4 are alike, thereforethe side shaft 5 makes one revolution while the crank-shaft gear 2 revolves twice. The first two years that this engine was used it re-vovled 50 times per minute. The bevel-gear at 6 has.
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