A Treatise on the Steam Engine: In Its Application to Mines, Mills, Steam Navigation, and RailwaysLongman, Brown, Green, and Longmans, 1847 - 258 páginas |
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Página 7
... inches , length of stroke 3 feet , number of strokes per minute 17 , and the load upon the piston 7.89 lbs . per square inch . This is not quite one - horse power , for ( 9-9 ) = 77 square inches × 7 · 89 = 607 lbs . and × by 52.5 , the ...
... inches , length of stroke 3 feet , number of strokes per minute 17 , and the load upon the piston 7.89 lbs . per square inch . This is not quite one - horse power , for ( 9-9 ) = 77 square inches × 7 · 89 = 607 lbs . and × by 52.5 , the ...
Página 8
... inches long , consisting of twenty pieces of fir , the four nearest the middle being 12 inches square , and the other sixteen being 6 inches by 12 inches . These pieces of timber are prevented from rubbing upon one another by means of ...
... inches long , consisting of twenty pieces of fir , the four nearest the middle being 12 inches square , and the other sixteen being 6 inches by 12 inches . These pieces of timber are prevented from rubbing upon one another by means of ...
Página 10
... inches in diameter , and the length of the stroke six inches , and the boiler was considerably larger in proportion than the boilers of real engines : but Watt found that the boiler did not supply the engines with steam enough ; and ...
... inches in diameter , and the length of the stroke six inches , and the boiler was considerably larger in proportion than the boilers of real engines : but Watt found that the boiler did not supply the engines with steam enough ; and ...
Página 20
... INCHES OF. 20 Preliminary Discourse . levers 20 , 21 , to connect them with the upper ends t , u , of two inclined levers t 16 , and u 17 , which are poised upon a cylindrical part of a hori- zontal axis 3 , 3 , and can turn freely round ...
... INCHES OF. 20 Preliminary Discourse . levers 20 , 21 , to connect them with the upper ends t , u , of two inclined levers t 16 , and u 17 , which are poised upon a cylindrical part of a hori- zontal axis 3 , 3 , and can turn freely round ...
Página 26
... inches broad , 3 inches deep , and 6 feet between the supports ? 4.5 x bd S 4.5 x 2 x 32 x 472 According to the rule given above , we have b = 2 inches , d - 3 inches , 1-6 feet , S - 472 from the Table . Then = 6372 lbs . , 6 the ...
... inches broad , 3 inches deep , and 6 feet between the supports ? 4.5 x bd S 4.5 x 2 x 32 x 472 According to the rule given above , we have b = 2 inches , d - 3 inches , 1-6 feet , S - 472 from the Table . Then = 6372 lbs . , 6 the ...
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air-pump applied atmosphere axis axle bars beam blast pipe body boiler bolts bottom Boulton Boulton and Watt brass breadth cast iron centre chimney coal cock column condenser connecting rod Cornish crank crank pin cross-head cubic foot cylinder in inches depth diameter of cylinder dimensions distance eccentric rod eduction elastic force equal expansion experiments fire fire-box flue fly-wheel furnace gibs and cutter given gravity heating surface horse power inch=1 foot inches of mercury length of stroke lever locomotive engine means mechanical effect Messrs moving Multiply paddle parallel motion piston rod plate port practice pressure proportion pump quantity radius revolution revolutions per minute revolving ring rule screw Section shaft side side rod smoke space spindle square inch steam engine steam pipe steam vessels STEAMER stroke suppose temperature thickness tubes vacuum velocity Watt weight wheel