Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 21
... human power is exerted to turn machinery , such as circular or band saws , butter ma- chinery , pumps , and lathes , a good heavy fly - wheel should be provided , which equalizes the irregularities of the move- MANUAL POWER . 21.
... human power is exerted to turn machinery , such as circular or band saws , butter ma- chinery , pumps , and lathes , a good heavy fly - wheel should be provided , which equalizes the irregularities of the move- MANUAL POWER . 21.
Página 24
... wheel . The pole to which the animals are to be attached is secured to this spindle , and as it is turned by the animals ' rotary walk the bevel - wheel turns , at a corre- spondingly higher speed , a horizontal pinion , which oper ...
... wheel . The pole to which the animals are to be attached is secured to this spindle , and as it is turned by the animals ' rotary walk the bevel - wheel turns , at a corre- spondingly higher speed , a horizontal pinion , which oper ...
Página 31
... Wheel in Feet . 12 13 14 16 18 20 22 24 25 28 30 36 40 50 60 Horse - power with wind at 14 m . per hour K 5 % 34 I 12 14 2 22 to 3 3 42 5 6 19 15 20 Horse - power with wind at I 2 3 32 4 4 % 25 6 7 IO 12 18 28 40 18 m . per hour Area of ...
... Wheel in Feet . 12 13 14 16 18 20 22 24 25 28 30 36 40 50 60 Horse - power with wind at 14 m . per hour K 5 % 34 I 12 14 2 22 to 3 3 42 5 6 19 15 20 Horse - power with wind at I 2 3 32 4 4 % 25 6 7 IO 12 18 28 40 18 m . per hour Area of ...
Página 32
... wheel edgeways to a storm . These are not to be commended . The " Halladay " wheel is very ingenious and successful . The vanes , or slats , are arranged so as to present their points or lower edges only , in a storm , to the wind ...
... wheel edgeways to a storm . These are not to be commended . The " Halladay " wheel is very ingenious and successful . The vanes , or slats , are arranged so as to present their points or lower edges only , in a storm , to the wind ...
Página 33
... wheel , which is proportioned so as to prevent the swaying or " creeping " of the sail face in a wind . Speed of ... wheel , pumping from a well 63 feet deep into a reservoir . 10 - foot wheel , pumping from a well 80 feet deep to a dis ...
... wheel , which is proportioned so as to prevent the swaying or " creeping " of the sail face in a wind . Speed of ... wheel , pumping from a well 63 feet deep into a reservoir . 10 - foot wheel , pumping from a well 80 feet deep to a dis ...
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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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