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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. "
Improvement to Palmer's Endless Self-computing Scale and Key: Adapting it to ... - Σελίδα 54
των John E. Fuller - 1846 - 72 σελίδες
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Mechanics Magazine, Τόμος 6

1827
...that exertion of Boring force which, betides overcomdiameter of the cylinder in inches, by the motion of the piston in feet per minute, and divide the product by C050 ; the quotient is the power of the engine in horse power.t Example. — Cylinder 23J inches diameter,...

Iron: An Illustrated Weekly Journal for Iron and Steel ..., Τόμος 6

Perry Fairfax Nursey - 1827
...power.* RULE. — Multiply the gquare of the 871 diameter of the cylinder in inches, by the motion of the piston in feet per minute, and divide the product by 6050 ; the quotient is the power of the engine in horse power.-)Example. —Cylinder 23J inches diameter,...

Engineers' and Mechanics' Pocket-book ...

Charles Haynes Haswell - 1844 - 264 σελίδες
...rule for either engine is, multiply the effective pressure upon the piston in Ibs. per square inch by the velocity of the piston in feet per minute, and divide by 33000. To find the Volume the Steam of a Cubic Foot of Water occupies (separated from the Water),...

The Practical Engineer's Pocket Guide: Containing a Concise Treatise on the ...

1847 - 178 σελίδες
...capacity, and steam at any density requiredRule — Multiply 375 times the area of the cylinder in feet by the velocity of the piston in feet per minute, and divide the product by the volume of steam to 1 of water at the density required, (see Table, page 91 ;) and the quotient...

A Treatise on the Steam Engine: In Its Application to Mines, Mills, Steam ...

Artizan Club (London, England), John Bourne (C. E.) - 1847 - 258 σελίδες
...— Subtract 1 from the diameter of the cylinder in inches, and square the remainder, which multiply by the velocity of the piston in feet per minute, and divide by 5640 : the result is the horse-power. The speeds of piston, with different lengths of stroke, are...

The Mechanic's Text-book and Engineer's Pocket Guide: Containing a Concise ...

Thomas Kelt - 1849 - 403 σελίδες
...capacity, and steam at any density required. Ride. — Multiply 375 times the area of the cylinder in feet by the velocity of the piston in feet per minute, and divide the product by the volume of steam to 1 of water at the density required, (see Table, page 91 ;) and the quotient...

A catechism of the steam engine

John Bourne (C.E.) - 1850
...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 of nominal horses power. In using this rule, however, it is necessary...

A Catechism of the Steam Engine: Illustrative of the Scientific Principles ...

John Bourne (C.E.) - 1850 - 284 σελίδες
...high or low pressure : — 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 375 times the pressure on the boiler per square inch ; T 4 the quotient is the proper area of the safety...

The Practical Model Calculator: For the Engineer, Mechanic, Machinist ...

Oliver Byrne - 1851 - 293 σελίδες
...computed 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 6,000 ; the quotient is the number of nominal horses power. In using this rule, however, it is necessary...

A Treatise on the Steam Engine in Its Application to Mines, Mills, Steam ...

Artizan club (London, England) - 1851 - 258 σελίδες
...diameter of the cylinder, multiply by the effective pressure per square inch, and by the Fig. 340. motion of the piston in feet per minute, and divide the product by 42,017, which gives the same result. A horse-power is represented by a load of 33,000 Ibs., raised...




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