 | Edward Polehampton - 1815 - 710 sider
...soon annihilated by the friction of the wheels against the ground, &c. The cause of the ascent of the rocket is nearly the same. At the moment when the...rapidity with which the elastic fluid issues through th« neck of the rocket to throw itself downwards, and therefore the rocket ascends by the excess of... | |
 | 1815 - 698 sider
...; that is, against the air which opposes its escape from the cartridge, and against the upper par* of the rocket ; but the resistance of the air is more...ascends by the excess of the one of these forces over th< other. " This however would not be the case, unless the rocket were pierced to a certain depth.... | |
 | Edward T W. Polehampton - 1815 - 688 sider
...against the air which opposes its escape from the cartridge and against the upper part of the rocket 5 but the resistance of the air is more considerable...on account of the extreme rapidity with which the clastic fluid issues thrdugh the neck of the rocket to throw itself downwards, and therefore the rocket... | |
 | Edward T W. Polehampton - 1815 - 712 sider
...escape from the cartridge, and against the upper part of the rocket ; but the resistance of the air u more considerable than the weight of the rocket, on...rapidity with which the elastic fluid issues through neck of the rocket to throw itself downwards, and therefore the rocket ascends by the excess of the... | |
 | John Ayrton Paris - 1827 - 234 sider
...rise.' Dr. Hutton explains the phenomenon in someVOL. III. F what different a manner. He says, ' that at the moment when the powder begins to inflame, its...excess of the one of these forces over the other.' " Tom observed, that he thought Dr. Hutton's explanation more simple and plausible, than that of Desaguliers.... | |
 | John M. Moffat - 1834 - 530 sider
...which this takes place is most satisfactorily explained by Dr. Charles Hutton. He observes, " that at the moment when the powder begins to inflame, its...and therefore the rocket ascends by the excess of one of these forces over the other."* Dr. Hutton also remarks that the rocket would not rise unless... | |
 | John Ayrton Paris - 1847 - 708 sider
...explanation, however, offered by Dr. Button appears to me to be the most satisfactory. He says ' that at the moment when the powder begins to inflame, its...and therefore the rocket ascends by the excess of one of the'se forces over the other.' " Tom observed, that he thought Dr. Button's explanation very... | |
 | 1850 - 414 sider
...which this takes place is most satisfactorily explained by Dr. Charles Hutton. He observes, " that at the moment when the powder begins to inflame, its...and, therefore, the rocket ascends by the excess of one of these forces over the other."* Dr. Hutton also remarks that the rocket would not rise unless... | |
 | John Ayrton Paris - 1857 - 632 sider
...upper part of the rocket ; but the resistance of the air is more considerable than the weight of tht' rocket, on account of the extreme rapidity with which...excess of the one of these forces over the other.' " * " Dr. Hutton adds, that the rocket could not rise unless a suflicient quantity of elastic fluid... | |
 | John Ayrton Paris - 1861 - 474 sider
...explanation, however, afforded by Dr Hutton appears to me to be the most satisfactory. He says, ' that at the moment when the powder begins to inflame, its...excess of the one of these forces over the other.' " * " Dr Hutton adds, that the rocket could not rise unless a sufficient quantity of elastic fluid... | |
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At the moment when the powder begins to inflame, its expansion produces a torrent of elastic fluid, which acts in every direction ; that is, against the air which opposes its escape from the cartridge, and against the upper part of the rocket ; but the... 