Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1895 - 257 páginas |
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Página 10
... minute , is to be obtained in the fol- lowing manners : By men- By animals By wind- By 12 men working cranks . By 3 powerful oxen . By 2 good horses . By a 16 ft . windmill in a good breeze . By water- By fuels- By a fall of water of ΙΟ ...
... minute , is to be obtained in the fol- lowing manners : By men- By animals By wind- By 12 men working cranks . By 3 powerful oxen . By 2 good horses . By a 16 ft . windmill in a good breeze . By water- By fuels- By a fall of water of ΙΟ ...
Página 11
... minute . By a fall of water of 53 cubic feet or 330 imperial gallons falling 10 feet in a minute . Byth of a lb. of the best coal per min- ute , in the best class of boiler and engine . By th of a lb. of ordinary coal per min- ute , in ...
... minute . By a fall of water of 53 cubic feet or 330 imperial gallons falling 10 feet in a minute . Byth of a lb. of the best coal per min- ute , in the best class of boiler and engine . By th of a lb. of ordinary coal per min- ute , in ...
Página 15
... minute . This exertion of mechanical power is equal to 33,000 lbs . raised vertically through a space of one foot per minute , and he denominated it a horse - power , to serve for a measure of the power exerted by his steam - engines ...
... minute . This exertion of mechanical power is equal to 33,000 lbs . raised vertically through a space of one foot per minute , and he denominated it a horse - power , to serve for a measure of the power exerted by his steam - engines ...
Página 17
... , on a treadmill ... Man , turning a crank .. Pounds raised one foot high every minute . .21,000 11,000 to 12,000 10,000 3,500 • 4,000 3,100 2,600 to 2,750 Thus the work of twelve men at cranks will only 2 POWER DEFINED AND COMPARED . 17.
... , on a treadmill ... Man , turning a crank .. Pounds raised one foot high every minute . .21,000 11,000 to 12,000 10,000 3,500 • 4,000 3,100 2,600 to 2,750 Thus the work of twelve men at cranks will only 2 POWER DEFINED AND COMPARED . 17.
Página 20
... minute , is only true of a very muscular specimen of the human race . The extremity of human exertion is developed in the act of row- ing ; in which art , enthusiasts are proud to claim that every muscle in the body is developed . At ...
... minute , is only true of a very muscular specimen of the human race . The extremity of human exertion is developed in the act of row- ing ; in which art , enthusiasts are proud to claim that every muscle in the body is developed . At ...
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adopted amount ampères apparatus arranged average B.Sc calculation cast-iron cent CHAPTER Chemistry chimney coal compound engine condensation cost crank Crown 8vo cubic feet cubic foot cylinder cylinder engine Diagrams Diam driving dynamo economy effective horse-power electric Elementary fall feed-water feet per minute flues ft.-lbs fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES horses Illustrations imperial gallons inch diameter indicated horse-power iron LL.D machine machinery mill motive power motor nominal horse-power oil-engine ordinary oxen Pelton Wheel pipe piston plates portable portable engines pounds practical proportions published by Longmans pump purpose Revolutions per Minute Scientific Works published shaft single-cylinder speed square feet square inch steam-engine Strength of Materials Stroke supply thickness tions tubes turbine valve vaporizer vary velocity vertical engine volts water-wheels Watts weight wheel wind wood Woodcuts ΙΟ
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