Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1895 - 257 páginas |
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Página 19
... dynamo requires more than 8 effective horse - power to pro- duce it . Similarly , the conduction of the current over a wire in- volves a certain loss by friction , which must be allowed for , and of which tables are given , rendering ...
... dynamo requires more than 8 effective horse - power to pro- duce it . Similarly , the conduction of the current over a wire in- volves a certain loss by friction , which must be allowed for , and of which tables are given , rendering ...
Página 35
... dynamo capable of developing a current of about 30 ampères with 70 volts pressure . The windmill drove this at a rate which , taken with the use of the governor and " cut - out " employed , was sufficiently uniform to charge a battery ...
... dynamo capable of developing a current of about 30 ampères with 70 volts pressure . The windmill drove this at a rate which , taken with the use of the governor and " cut - out " employed , was sufficiently uniform to charge a battery ...
Página 64
... dynamos , wires , accumulators , and motors will be found fully detailed for driving by this or any other means in the last section of Chapter XXXV . of this book , but for the sake of convenience and clearness , I have tabu- lated such ...
... dynamos , wires , accumulators , and motors will be found fully detailed for driving by this or any other means in the last section of Chapter XXXV . of this book , but for the sake of convenience and clearness , I have tabu- lated such ...
Página 65
... DYNAMO . 4 feet . 49,760 5 acres . 5 12 20 " £ 80 $ 400 3 units . £ 50 32 cells of £ 153 50 amps . @ £ 52 $ 250 23 plates . 3.194 $ 765 60 volts . $ 260 " 6 5 53,340 61 " " : 7.13 £ 80 66 20 £ 55 35 cells of £ 153 50 amps . @ £ 58 6 ...
... DYNAMO . 4 feet . 49,760 5 acres . 5 12 20 " £ 80 $ 400 3 units . £ 50 32 cells of £ 153 50 amps . @ £ 52 $ 250 23 plates . 3.194 $ 765 60 volts . $ 260 " 6 5 53,340 61 " " : 7.13 £ 80 66 20 £ 55 35 cells of £ 153 50 amps . @ £ 58 6 ...
Página 66
... dynamo part of the time , and the balance of the time to drive it by the aid of the ac- cumulators . By this means the accumulators for the smaller powers given above could also be decreased in cost by re- ducing the number of their ...
... dynamo part of the time , and the balance of the time to drive it by the aid of the ac- cumulators . By this means the accumulators for the smaller powers given above could also be decreased in cost by re- ducing the number of their ...
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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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