Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 51
When the fixed endof the rope is attachedto the fixed block, thepower may be found bydividing the weight bytwice the number ofmovable pulleys. Whenthe fixed end of the rope ®is attached to the mov-able block, the powerPj -^-j^g may be found by divid- ing the weight by twicethe number of movable… … To find the weight that will be balanced by agiven power. When the rope is attached to thefixed block, multiply the power by twice the num-ber of movable pulleys. When the rope is attached to the movable blockmultiply the power by twice the number of mova-ble pulleys plus 1. The Inclined Plane. The…
Mechanical drawing · Machine design
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