ofhoisting chain, plus weight of hook antl block. Considering thetrolley rollers to be six inches in diameter and 12 from centersof rollers, 1/2 hoisting chain and chain sheaves 6 in diameter,a rough estimate of the weight is about 300 pounds. Thus,themaximum load on the crane is 6300 pounds. Then…
Cranes, derricks, etc · Theses
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