 | Henry Charles Tulley - Mechanical engineering - 1924 - 416 pages
...area of the piston in square inches, by the mean effective pressure in pounds per square inch, and by the velocity of the piston in feet per minute, and divide the product by 33,000. The quotient will be the gross horsepower. Subtract from this from 10 to 20 per cent for friction,... | |
 | Locomotive engineers - 1906 - 902 pages
...follows: 'Multiply the area of the piston in square inches by the average force of steam in pounds and by the velocity of the piston in feet per minute and divide the product by 33.000 pounds. Seven-tenths of the quotient equals the effective power.' The other rule is : 'Multiply... | |
 | 1906 - 926 pages
...follows : 'Multiply the area of the piston in square inches by the average force of steam in pounds and by the velocity of the piston in feet per minute and divide the product by 33,000 pounds. Seven-tenths of the quotient equals the effective power." The other rule is : 'Multiply... | |
 | Franklin Institute (Philadelphia, Pa.) - Electronic journals - 1864 - 526 pages
...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 4000. It might, also, be observed, that the length of the link, from centre to centre, should be... | |
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Multiply the square of the diameter of the cylinder in inches by the velocity of the piston in feet per minute, and -divide the product by 6,000 ; the quotient is the number of nominal horses power. 
