 | 1771 - 414 sider
...for cutting off the steam is stated to be at about half the stroke ; and then the rule becomes 100 times the square root of the length of the stroke in feet, for the best volocity in feet per minute, for the steam engine. The author is averse to high pressure... | |
 | Thomas Tredgold - 1827 - 540 sider
...part of the stroke, and then when the steam acts at full pressure during the whole of the descent, the velocity in feet per minute should be ninety-eight...times the square root of the length of the stroke.* 343. — When the steam acts expansively, the velocity may lie found from -that of an expansive engine... | |
 | 1828 - 942 sider
...for cutting off the steam is stated to be at about half the stroke ; and then the rule becomes 100 times the square root of the length of the stroke in feet, for the best velocity in feet per minute, for the steam engine. The author is averse to high pressure... | |
 | William Grier - 1836 - 380 sider
...low-pressure engine. — The length of the cylinder should be twice its diameter. The velocity of the piston in feet per minute should be ninety-eight times the square root of the length of the stroke. The area of the steam passages should be equal to the area of the cylinder, multiplied by the velocity... | |
 | William Templeton - 1839 - 182 sider
...minute, having neither respect to the force of the steam nor length of the stroke. And, 2. That 100 times the square root of the length of the stroke in feet equal the velocity in feet per minute. The following Table of Velocities is the result of practice... | |
 | William Grier - 1842 - 320 sider
...lowpressure engine.—The length of the cylinder should be twice its diameter. The velocity of the piston in feet per minute should be ninety-eight times the square root of the length of the stroke. The area of the steam passages should be equal to the area of the cylinder, multiplied by the velo-... | |
 | William Templeton - 1846 - 518 sider
...minute, having neither respect to the force of the steam nor length of the stroke. And, 2. That 1 03 times the square root of the length of the stroke in feet equal the velocity in feet per minute. The following Table of Velocities is the result of practice... | |
 | John E. Fuller - 1846 - 82 sider
...the stroke in feet, is the best velocity in feet per minute. In engines not working expansively, 103 times the square root of the length of the stroke in feet, is the best velocity in feet per minute. To find the quantity of Water required for Steam .%nd Injection.... | |
 | Septimus Norris - 1852 - 356 sider
...should be at least twice its diameterThe velocity of the piston, in feet per minute, should be 103 times the square root of the length of the stroke in feet ; or 100 times, if the steam is worked expansivelyThe area of the cylinder should be, to the area of... | |
 | R. W., Robert Wallace - 1852 - 146 sider
...by a fly, and the pressure on the piston be the same throughout the stroke, the best velocity is 120 times the square root of the length of the stroke in feet. 2. If the steam act expansively, the velocity is found by multiplying the logarithm of the reciprocal... | |
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The velocity in feet per minute should be ninety-eight times the square root of the length of the stroke in feet. The area of the steam passages will be as 4800 is to the velocity in feet per minute, so is the area of the cylinder to the area ofthe steam... 