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Drilled through and through by the fire of the Riga, she fought and suffered until the Lancaster foundered; then, with all guns out of action, but with still intact engine-power, she left the line, not to run, but to ram. The circle was narrowing, but she had fully four minutes to steam before she could reach the opposite side and intercept her slayer.
Again, it is often assumed by advocates of this form of flight that the rapidity of climb of the helicopter would be far greater than that of the driven plane; this view overlooks the fact that the maintenance of aerodynamic support would claim the greater part of the engine-power; the rate of ascent would be governed by the amount of power that could be developed surplus to that required for maintenance.
He turned it, finally, square down the launching-way, through the yawning gates where the track abruptly ended at the brow of the Palisades the empty chasm where, if all went right and no mistake had been made in build, engine-power, or control, the initial leap of Nissr Arrib ela Sema was to be made. Came a moment's wait. Faintly the pulsing of the engines trembled the fabric of Nissr.
It was his hobby to remain in out- of-the-way parts of the world for years at a time, visiting savage lands where coal was not procurable, and he trusted more to sails than to engine-power. But Stump, and his chief officer, and nearly every sailor on board, being accustomed to steam, despised windjammers, and pinned their faith to the engines.
On several occasions, after a direct hit, a wounded British pilot has brought his craft to safety, with wings and fuselage weirdly ventilated and half the control wires helpless. Archie wounded a pilot from our aerodrome in the head and leg, and an opening the size of a duck's egg was ripped into the petrol tank facing him. The pressure went, and so did the engine-power.
But when aloft, and in full flight, the pilot would be able if he so desired to reduce the area of his lifting surface, and so increase materially his speed. With a machine of this type, when perfected, it should be possible to rise quickly, and descend slowly, and yet at the same time, when well aloft, attain a high speed with moderate engine-power.
Then it was the Allies who added the radio and made of it an efficient method of observation and spotting of artillery fire. Increased engine-power began to be developed, and bombs were carried in ever-increasing numbers and size.
At one-thirty I was nearly seven miles above the surface of the earth, and still ascending steadily. I found, however, that the rarefied air was giving markedly less support to my planes, and that my angle of ascent had to be considerably lowered in consequence. It was already clear that even with my light weight and strong engine-power there was a point in front of me where I should be held.
"Through" passengers demand a rapid service; while the roadside traffic goes largely to the line that offers the most frequent trains. In the violent strain and effort to combine these two desiderata the most successful means yet adopted have been those which rely upon the destruction of enormous quantities of costly engine-power by means of quick-acting brakes.
But engine-power and broad wings, skill of the hand at the levers, and the good fortune that watches over bold men, buoyed her again. Suddenly she lifted. Up at a dizzy angle she sped.
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