 | William Somerville Orr - 1856 - 556 páginas
...inches) by the mean pressure (in Ibs. per square inch) by twice the length of stroke (in feet) and by the number of revolutions per minute, and divide the product by 33000 for the horse-power. Example. — On the indicator being applied to an engine, having a cylinder... | |
 | William Somerville Orr - 1860 - 540 páginas
...inches) by the mean pressure (in Ibs. per square inch) by twice the length of stroke (in feet) and by the number of revolutions per minute, and divide the product by 33000 for the horse-power. Example. — On the indicator being applied to an engine, having a cylinder... | |
 | John Bourne (C. E.) - 1868 - 602 páginas
...VELOCITY WITH WHICH A BODY REVOLVES IN A CIRCLE. RULE. — Multiply the diameter of the circle in feet by the number of revolutions per minute, and divide the product by the constant number 153-2. The square of the quotient is the height, in feet, due to the velocity with... | |
 | John Howard Cromwell - 1885 - 302 páginas
...To determine the velocity of a pulley in feet per minute, multiply the circumference of the pulley in inches by the number of revolutions per minute, and divide the product by 12, or multiply 0.5236 times the radius in inches by the number of revolutions per minute. Let v represent... | |
 | Walter S. Hutton - 1885 - 486 páginas
...be found by a modification of Murray's Rule, thus : multiply the cube of the diameter of the shaft in inches by the number of revolutions per minute, and divide the product by 1 70 for wrought-iron, or by 260 for cast-iron, or by 85 for steel. To find the diameter of a shaft... | |
 | John Howard Cromwell - 1885 - 302 páginas
...To determine the velocity of a pulley in feet per second, multiply the circumference of the pulley in inches by the number of revolutions per minute, and divide the product by 720, or multiply 0.00873 times the radius in inches by the number of revolutions per minute. If we... | |
 | Daniel Kinnear Clark - 1892 - 682 páginas
...mean pressure oil the piston m pounds per square inch, and. by twice the length of the stroke, and by the number of revolutions per minute ; and divide the product by 33,000. The quotient is the indicator horse-power. For compound and multiple-expansion engines, the... | |
 | Philip R. Björling - 1895 - 302 páginas
...inches by 3' 14. This gives the distance the crank pin travels in one revolution ; multiplying this by the number of revolutions per minute and divide the product by 12, the result being the speed in feet of the piston in the middle of the stroke. The late Mr. Thomas... | |
 | Stephen Roper - 1899 - 408 páginas
...shaft of a certain diametei will transmit at a certain speed ? A. Multiply the cube of the diameter in inches by the number of revolutions per minute and divide the product by 70. ' Q. Can these rules be depended upon for all cases ? A. No; only for ordinarily heavy pulleys.... | |
 | International Correspondence Schools - 1900 - 724 páginas
...where R represents the number of revolutions per minute. Hence, IN _ ' - 12 ~ 12 - 6 ' Rule 182. — To find the piston speed of an engine, multiply the...inches by the number of revolutions per minute and dii-idc the product by 6. EXAMPLE. — An engine with 52-inch stroke runs at a speed of 66 revolutions... | |
| |
To find the piston speed of an engine, multiply the stroke in inches by the number of revolutions per minute and divide the product by 6. EXAMPLE. — An engine with a 52-inch stroke runs at a speed of 66 revolutions per minute. 
