Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 67
epended upon to hold thewheel, however, but merely to simplify putting the wheel on the 52 STEAM ENGINES shaft. The hub is held securely to the shaft by means of a closefitting key. Flywheels between 9 and 16 feet in diameter are commonlymade in halves, and larger sizes are divided into a greater… … Fig. 45. bolts extending all the way through on each side of the shaft, afterwhich the hub is keyed to the shaft. This type of wheel is usedonly as a flyw^heel and not as a belt w^heel, hence, the rim is madenarrow and deep in order to concentrate its weight as far from thecenter of the shaft as…
Steam-engines
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