Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 15
... - wheel , and this is naturally less than the work that is done in the cylinder of the engine , which has had to turn round the machine itself . An INDICATED horse - power is the same measure of CHAPTER V POWER DEFINED AND COMPARED,
... - wheel , and this is naturally less than the work that is done in the cylinder of the engine , which has had to turn round the machine itself . An INDICATED horse - power is the same measure of CHAPTER V POWER DEFINED AND COMPARED,
Página 17
... 21,000 11,000 to 12,000 10,000 • 3,500 4,000 Man , extreme work as in rowing Man , on a treadmill ... Man , turning a crank ... • 3,100 2,600 to 2,750 Thus the work of twelve men at cranks will only 2 POWER DEFINED AND COMPARED . 17.
... 21,000 11,000 to 12,000 10,000 • 3,500 4,000 Man , extreme work as in rowing Man , on a treadmill ... Man , turning a crank ... • 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
... turning a crank , which is the most convenient form of application of manual power to machinery . I Crank Handles ... turn a crank is from 26 to 30 revolutions per minute . Man Labour . The labour of one man is just SECTION II CHAPTER ...
... turning a crank , which is the most convenient form of application of manual power to machinery . I Crank Handles ... turn a crank is from 26 to 30 revolutions per minute . Man Labour . The labour of one man is just SECTION II CHAPTER ...
Página 21
... turn over towards their descent . With these machines men may raise : One man - 1,000 imperial gallons per hour 15 feet high . Cost of machine being 13- $ 65 . 750 imperial gallons per hour 30 feet high . Cost of machine being £ 18 ...
... turn over towards their descent . With these machines men may raise : One man - 1,000 imperial gallons per hour 15 feet high . Cost of machine being 13- $ 65 . 750 imperial gallons per hour 30 feet high . Cost of machine being £ 18 ...
Página 24
... turns , at a corre- spondingly higher speed , a horizontal pinion , which oper- ates a shaft . This shaft has a flexible joint connected to it , and may be made of any suitable length . As the motion of animals is so slow , it is ...
... turns , at a corre- spondingly higher speed , a horizontal pinion , which oper- ates a shaft . This shaft has a flexible joint connected to it , and may be made of any suitable length . As the motion of animals is so slow , it is ...
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amount ampères apparatus arranged B.Sc calculation cast-iron cent CHAPTER Chemistry chimney coal compound engine condensation Cornish boilers cost crank Crown 8vo cubic feet cubic foot cylinder Diagrams Diam driving dynamo economy effective horse-power electric Elementary fall feed-water feet per minute flues ft.-lbs fuel furnace gas-engine gine grate area Heads in Feet heating surface HORIZONTAL ENGINES horse-power per hour horses Illustrations imperial gallons inch diameter indicated horse-power iron length LL.D Load machine machinery Maximum mill motive power motor nominal horse-power oil-engine oxen Pelton Wheel pipes piston plates portable pounds practical proportions published by Longmans pump Revolutions per Minute Science Scientific Works published shaft speed square feet square foot square inch steam-engine Strength of Materials Stroke supply thickness tions tubes turbine valve vaporizer velocity vertical engine volts water-wheels Watts weight wheel wind windmill Woodcuts ΙΟ
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