 Multiply the square of the diameter of the cylinder in inches by the length of the stroke in inches, and by 171; and divide the product by the diameter of the driving-wheels in feet.  Bergen's Marine Engineer - Page 117by William Culley Bergen - 1880Full view - About this book
 | Oliver Byrne - Engineering - 1863 - 600 pages
...is the most convenient method of procedure. To ascertain the nominal power by this method, multiply the square of the diameter of the cylinder in inches by the cube root of the stroke in feet, and divide the product by 47 ; the quotient is the number of nominal... | |
 | William Henry King - Marine engineering - 1864 - 252 pages
...multiply the mean unbalanced pressure per square inch on the piston, hy the area of the piston in square inches, by the length of the stroke in feet, and by the number of strokes in a minute / and divide by 33,000, the quotient will be the horse power. From this... | |
 | William Templeton - 1865 - 178 pages
...pump for a stationary condensing engine ? RULE. — Multiply the square of the cylinder's diameter in inches by the length of the stroke in feet, and by the decimal -5, the product is the capacity of the pump in cylindrical inches. Or, if the capacity in cylindrical... | |
 | Steam-engines - 1865 - 580 pages
...DIAMETER OF A SAFETY VALVE THAT WILL LET OFF ALL THE STEAM FEOM A LOW PRESSURE BOLLER. RULE. — Multiply the square of the diameter of the cylinder in inches by the speed of the piston in feet per minute, and divide the product by 14,000. The quotient is the proper... | |
 | Andrew Betts Brown - Engineering - 1865 - 456 pages
...foregoing formulas. A good rule for finding the area, in square inches, of the steam port, is to multiply the square of the diameter of the cylinder in inches by the velocity of the piston in feet per minute, and divide by 4,000. " It might also be observed that the... | |
 | John Bourne (C. E.) - Steam engineering - 1868 - 602 pages
...arranged will be as follows: — TO ASCERTAIN THE NOMINAL POWER OF A CONDENSING ENGINE. RULE. — Multiply the square of the diameter of the cylinder in inches by the cube root of the stroke infect, and divide the product by 47 ; the quotient is the number of nominal... | |
 | Industrial arts - 1872 - 706 pages
...Bourne, in his hook on "The Steam-Engine," gives as the rule for the area of steam pipes : " Multiply the square of the diameter of the cylinder in inches by the speed of the piston in feet per minute, and by the decimal -02, and divide the product by 170." An... | |
 | John Bourne - Steam-engines - 1873 - 510 pages
...as follows : — ADMIRALTY RULE FOE DETERMINING THE NOMINAL POWER OF AN ENGINE. RFI.E. — Multiply the square of the diameter of the cylinder in inches by the speed of the piston in feet per minute, and divide by 6.000. The quotient is the nominal power. Example.... | |
 | Engineering - 1873 - 1078 pages
...the cube-root of the stroke ; and the nominal horse power of an engine may be found by innltiplying the square of the diameter of the cylinder in inches by the cube-root of the stroke in feet, and dividing by 47. To find how many millions of pounds &re raised... | |
 | Daniel Kinnear Clark - Street-railroads - 1878 - 564 pages
...volume of steam actually consumed per mile, cut off at an average of half the stroJie — Multiply the square of the diameter of the cylinder in inches by the length of the stroke in inches, and by 1'71 ; and divide the product by the diameter of the driving-wheels in feet. The quotient... | |
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