How It Flies; Or, the Conquest of the Air; the Story of Man's Endeavors to Fly And of the Inventions By Which He Has Succeeded
The book How It Flies; Or, the Conquest of the Air; the Story of Man's Endeavors to Fly And of the Inventions By Which He Has Succeeded was written by author Ferris, Richard Here you can read free online of How It Flies; Or, the Conquest of the Air; the Story of Man's Endeavors to Fly And of the Inventions By Which He Has Succeeded book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is How It Flies; Or, the Conquest of the Air; the Story of Man's Endeavors to Fly And of the Inventions By Which He Has Succeeded a good or bad book?
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It failed to work. In 1852, however, a new era opened for the air- ship. Henry Giffard, of Paris, the inventor of the world-famed injector for steam boilers, built an ellip- tical gas-bag with cigar-shaped ends, 144 feet long, and 40 feet in diameter, having a cubic content of 88,000 cubic feet. The car was suspended from a rod 66 feet long which hung from the net covering the gas-bag. It was equipped with a 3-horse-power steam engine which turned a two-bladed screw pro- peller 11 feet in diame...ter, at the rate of 110 revo- lutions per minute. Coke was used for fuel. The BALLOONS: THE DIRIGIBLE. 301 steering was done with a triangular rudder-sail. Upon trial on September 24, 1852, the airship The first Giffard dirigible. proved a success, travelling at the rate of nearly 6 miles an hour. Giffard built a second airship in 1855, of a much more elongated shape — 235 feet long and 33 feet in diameter. He used the same engine which propelled his first ship. After a successful trial trip, when about to land, the gas-bag unaccountably turned up on end, allowing the net and car to slide off, and, ris- ing slightly in the air, burst.
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