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Updated: May 27, 2025
In this machine, besides the propellers for controlling the horizontal motion, there was one to regulate vertical motion, with a view of obviating expenditure of gas or ballast.
Still the RED CLOUD continued to sink. "Can't we do something?" yelled Ned. "Start the propellers, Tom!" "No, I'll use the gas. I can't see where we're heading for, as the searchlight is out of business. We may be in the midst of a lot of bergs. We were flying too low. Just start the gas generating machine." Ned hurried to obey this order. He saw Tom's object.
And I remained of this conviction even when I sat in the captain's own room, smoking his august cigars and turning over his books. I no longer thought, "Every revolution of the propellers brings me nearer to that shore." I thought, "Every shovelful flung into those white-hot mouths brings me nearer." Excitement will indeed take strange forms.
If the weight of the model alone be 6 oz., you will probably have to use 16 strands, which again adds to the weight, and makes one travel in a vicious circle. Therefore I lay emphasis on the advice, Keep down the weight. The front edge of the elevator should be set about 3/8 inch higher than the back, and the model be tried first as a glider, with the rubber and propellers in position.
"We'll jest have t' prospect about a bit," declared Abe, "only we'll do it in th' air instead of on th' ground." It was dusk when the fruitless search for the map was over, and they sat in the cabin discussing matters. The lights had not yet been switched on, and the RED CLOUD was skimming along under the influence of the automatic rudders and the propellers.
But should one motor break down, or motives of economy, such as husbanding of fuel, render it advisable to run upon one engine, then the two propellers may be driven by either of the motors.
The airship was 414 feet in length by 38 feet in diameter, was equipped with 17 gas balloons having an aggregate capacity of 367,000 cubic feet of hydrogen, was equipped with two 85 horse-power motors driving four propellers, and displaced 9 tons.
"Only you must remember that you must not go out on deck now, or you will be blown away like a feather into space." While he was speaking the three propellers had begun to revolve at full speed, and the Ariel darted forward with a velocity that caused the mountains she had just crossed to sink rapidly on the horizon.
Tom quickly realized this, and, giving up his intention of beating up against the wind, he turned the craft around, and let it fly before the gale, the propellers aiding to get up a speed of seventy miles an hour. Mr. Fenwick, who had dropped the last of his messages, came from his small private cabin, to where Mr. Damon and Tom were in a low-voiced conversation near the engines.
Barney began to worry about the effect of this intense cold on the tempered steel of his engines and the many-layered wood of his propellers; but as they sped on hour after hour, this restlessness left him. But what was this? He found the machine shooting through space with greater freedom. One answer there was: a storm.
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