 | Thomas Curtis - 1829 - 842 σελίδες
...strokes which the engine makes in a minute, being the multiple of all these, and is thus obtained : — Multiply the square of the diameter of the cylinder in inches, by the pressure on each square inch of the piston, not expressed in pounds weight, but in the height of a... | |
 | sir Robert Spencer Robinson - 1839 - 216 σελίδες
...quantity of water required for steam, find the volume of steam from a cubic foot of water by Rule 2nd. Multiply the square of the diameter of the cylinder in inches by half the velocity of the piston in inches, or six times the velocity in feet per minute, cut off two... | |
 | Artizan club (London, England) - 1847 - 338 σελίδες
...be found from the following rule. RULE. — To find the diameter of the top of the blast pipe. — Multiply the square of the diameter of the cylinder in inches by -017. Theproduct is the diameter of the top of the blast pipe in inches. Example. — The diameter... | |
 | John Bourne (C.E.) - 1850 - 326 σελίδες
...condensing and if working at four times the ordinary speed, may be ascertained by the following rule : — multiply the square of the diameter of the cylinder...root of the stroke in feet, and divide the product by 12 ; the quotient is the power of the high speed condensing engine in nominal horses power. To ascertain... | |
 | John Bourne (C.E.) - 1850 - 298 σελίδες
...nominal horses power ? A. — The nominal power of an engine may be ascertained by the following rule : 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 6000 ; the quotient is the number... | |
 | John Bourne - 1851 - 346 σελίδες
...expressed in words, gives the following rule : — RULE 2. — Multiply the square of the diameter of ilie cylinder in inches by the cube root of the stroke in feet; divide the product by 15 j the quotient expresses the number of cubic feet of steam room. Т Collective... | |
 | Oliver Byrne - 1851 - 310 σελίδες
...eduction ports may be found from the following rule. RULE. — To find the area of the eduction ports. — Multiply the square of the diameter of the cylinder in inches by -128. The product is the area of the eduction ports in square inches. Required the area of the eduction... | |
 | Oliver Byrne - 1852 - 598 σελίδες
...ft-, 180 ; 3 ft-, 6 in-, 189 ; 4 ft-, 200 ; 5 ft-, 215 ; 6 ft-, 228 ; 7 ft-, 245 ; 8 ft-, 256 ftBy ascertaining the ratio in which the velocity of the...a uniform effective pressure upon the piston of 7 Ibs- per square inch ; the effective pressure upon the piston of 4 horse power engines of some of the... | |
 | Septimus Norris - 1852 - 356 σελίδες
...from the following ruleRULE — To find the diameter of the steam-pipe of the locomotive engine- — Multiply the square of the diameter of the cylinder in inches by -03- The product is the diameter of the steam-pipe in inchesExample — Required the diameter of the... | |
 | John Bourne (C.E.) - 1853 - 344 σελίδες
...the diameter of the cylinder in inches by the pressure on the piston in pounds per square inch, and by the cube root of the stroke in feet, and divide the product by 940 ; the quotient is the power of the engine in nominal horses- power, the engine working at the ordinary... | |
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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 horses power of the engine... 
