 | 1771 - 414 pages
...the valves, and to raise the injection water, and by the friction of the axes ------ -100 Sixthly, by the steam being cut off before the end of the stroke - -100 Seventhly, by the power required to work the air pump ----- '100 -402 -598 Similar estimates... | |
 | Thomas Tredgold - Steam-engines - 1827 - 540 pages
...to open and close the valves, raise injection water, and the friction of the axes - - - -063 Sixth, by the steam being cut off before the end of the stroke '100 Seventh, by the power required to work the air pump, (art. 354.) -050 •368 ^632 The force of... | |
 | Industrial arts - 1828 - 942 pages
...and close the valves, and to raise the injection water, and by the friction of the axes -100 Sixthly, by the steam being cut off before the end of the stroke - - .100 Seventhly, by the power required to work the air pump - - -100 -402 •598 Similar estimates... | |
 | Elijah Galloway - Steam-engines - 1829 - 890 pages
...expended in opening the valves, and friction of the parts of an engine "0622 6. By the steam bciug cut off before the end of the stroke '1000 Amount of deductions 3980 Effective pressure 6080 nearly rVths of the whole pressure of the steam in the boiler; and if... | |
 | James Hann, Isaac Dodds - Mechanics - 1833 - 234 pages
...to open and close the valves, raise the injection water, and the friction of the axis, .063 Sixth, by the steam being cut off before the end of the stroke, -100 Seventh, by the power necessary to work the air pump, ... ... ... ... ... .080 from the above... | |
 | Elijah Galloway - Steam-engines - 1834 - 852 pages
...'0069 5. The force expended in opening the valves, and friction of the parts of an engine '0622 6. By the steam being cut off before the end of the stroke...1000 Amount of deductions 3920 Effective pressure. . . . 6060 nearly fVths of the whole pressure of the steam in the boiler ; and if we deduct, from the... | |
 | William Grier - Mechanical engineering - 1836 - 380 pages
...open and close the valves, raise the injection water, and overcome the friction of the axes 063 (i. By the steam being cut off before the end of the stroke 100 7. By the power required to work the airpump 059 36S If we now suppose a cylinder whose diameter... | |
 | William Grier - Mechanical engineering - 1836 - 384 pages
...open and close the valves, raise the injection water, and overcome the friction of the axes 003 6. By the steam being cut off before the end of the stroke 100 7. By the power required to work the air. pump 050 36S G3<> If we now suppose a cylinder whose... | |
 | William Grier - Mechanical engineering - 1839 - 324 pages
...-0069 5. The force expended in opening the valves, and friction of the parts of an engine -0622 6. By the steam being cut off before the end of the stroke...deductions 3920 Effective pressure- •.. 6080 In one which has a condenser : — pressure on the boiler being 1000 1. By the force required to produce... | |
 | sir Robert Spencer Robinson - 1839 - 216 pages
...the steam through the passages. 5thly, by the force required to open and close the valves, &c. 6thly, by the steam being cut off before the end of the stroke, and by the power required to work the air pump : these deductions amount to 368 parts of a thousand,... | |
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... 007 2. By the cooling in the cylinder and pipes 016 3. By the friction of the piston and loss .... 125 4. By the force required to expel the steam through the passages 007 5. 
