Handbook of mechanical and electrical cost data, giving shipping weights, capacities, outputs, and net prices of machines and apparatus, and detailed costs of installation, maintenance, depreciation and operation, together with many principles and data relating to engineering economics (1918)
Gillette, Halbert Powers, 1869-, Dana, Richard Turner, 1876-1928, joint author · New York, McGraw-Hill · leaf 1371
j - VT^^ ^ 1 75 125 175 225 LENGTH OFCONVLYOR IN FEET 175 W K Fig. 8. Average cost of conveyors with sliding shoe flights. main consumption of power in any flight conveyor is in draggingalong the load, the power consumed in dragging forward thechains and flights being appreciably secondary.… … 10 30 SO 75 125 (75 225 LENGTH OF CONVEYOR IN FEET Fig. 9. Average cost of conveyors with roller flights. to some extent, but reduces the rate of depreciation, and is inreality an economic gain. The multiplicity of standards for flight conveyors and the dif-fering spacing of flights make the…
