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Updated: June 3, 2025
And, at the worst, when a favorable current could not be found, they could descend to the earth and anchor until a fair wind prevailed. One thing further should be explained. When it became desirable to ascend suddenly or rapidly, the hot-air chest was thrown completely open, and the vast chamber was instantly filled with air at any temperature required.
"Well," continued Whitney, still confidential, "we haven't got the dagger that's all. There I never actually asserted that before, though I've given every one to understand that our plans are based on something more than hot-air. We haven't got it, and we never had it." "Then who has it?" asked Kennedy colourlessly. Whitney shook his head. "I don't know," he said merely.
Kp = 1 lb. of air at constant pressure 0.2378 × 772 = 183.5 = 100 Kv = 1 lb. of air at constant volume 0.1688 × 772 = 130.3 = 71 Difference, being heat converted into power 0.0690 × 772 = 53.2 = 29 Or, in a hot-air engine without regeneration, the maximum effect of 1 lb. of air heated 1° Fahr. would be 53.2 f.p.
Besides, gosh, we got to have some boob for audience, when a bunch of hot-air artists like Frink and Littlefield get going." "Well, dear I meant to speak of this I do think that as host you ought to sit back and listen, and let your guests have a chance to talk once in a while!" "Oh, you do, do you! Sure! I talk all the time! And I'm just a business man oh sure!
Where had been the humble village, protected by a ditch and felled trees, there arose the walled city, with temples and baths and forum, and stately villas with frescoed walls and tessellated floors, and hot-air currents converting winter into summer.
Hume each underwent the hot-air cure, with the same good results; and then, clothed in clean underwear, and protected by a dose of quinine, they manned the levers, and went skimming along the river, glad to be back in their good boat. "We must call for the old Arab," said Compton, "now that we are bound for the Place of Rest." "He'll be in the way," growled Venning; "and we have no time to lose."
The national idea is in Canada so recent that most men have not grasped it. "Build a navy?" Canada hooted and made the vote a party football. "Canada should have her own shipyards?" Men look at you! What for? "Panama will reverse the world conduits of trade." Bah! Hot-air! I have heard these and similar comments not once but a thousand times.
Even in the villa rustica of Boscoreale near Pompeii, which was a working farm-house, we find the bath-rooms complete, provided, that is, with the three essentials of dressing-room, tepid-room, and hot-air room.
It was a simple enough scheme, and, for a wonder, no one in the world of substantialities has thought to take it up. The smoke was stored in reservoirs, just as if it were so much gas or water, and was supplied on the hot-air furnace principle from a huge furnace in the hold of the house-boat, into which tobacco was shovelled by the hired man of the club night and day.
Their first balloon, made of paper, reverted to the hot-air principle; they lighted a fire of wool and wet straw under the balloon and as a matter of course the balloon took fire after very little experiment; thereupon they constructed a second, having a capacity of 700 cubic feet, and this rose to a height of over 1,000 feet.
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