Τι λένε οι χρήστες - Σύνταξη κριτικής
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Σελίδα 157 - Towards the end of the power stroke the exhaust valve opens, and the pressure in the cylinder falls to atmospheric pressure as the cycle is completed.
Σελίδα 54 - Lome's balloon, 1872. 52 history of aeronautics it was proposed to use a gas engine, which was of the Lenoir type, and had four horizontal cylinders, giving 6 h.-p., with an hourly consumption of 250 cubic feet of gas. The gas for the engine was taken from the balloon itself, and the loss was to be made good by blowing out the air-bags. The car was made of beams running lengthwise, and was supported tangentially by ropes from the network. The envelope was made airtight by a thick coating of rubber...
Σελίδα 16 - Every body immersed in a liquid loses part of its weight, or is acted upon by an upward force equal to the weight of the liquid it displaces.
Σελίδα 120 - Summer of 1910 won a $10,000 prize posted by the New York World for a flight down the Hudson River from Albany to New York City.
Σελίδα 53 - ... no more likely to escape the effects of rough weather than sailing ships. After this short digression we can now return to the further consideration of Giffard's arrangements. He had a special contrivance to prevent the possibility of any explosion resulting from we escaping gases of the balloon.
Σελίδα 119 - At half past two in the morning, by the wan light of the moon he arose from the field where his machine had been landed and flew off into the murky night. Disappointment awaited the dauntless pilot, however. He had a stern struggle with the wind, his engine began to give trouble, and f1nally he was compelled to come to earth.
Σελίδα 119 - Paulhan had studied every inch of the ground and knew what conditions to expect. His earlier start gave him a great advantage, for he managed to get farther before nightfall, and also before any adverse winds arose.
Σελίδα 218 - He is a chevalier of the Legion of Honor, has received the Croix de Guerre with three palms, and also the Distinguished Service Cross with nine palms.
Σελίδα 123 - England; while a flight from Paris to Rome and one from Paris to Madrid served to demonstrate the growing reliability of the aircraft.