New Conquest of the Air Or the Advent of Aerial Navigation
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In our eReader you can find the full English version of the book. Read New Conquest of the Air Or the Advent of Aerial Navigation Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book New Conquest of the Air Or the Advent of Aerial Navigation
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Although both the spherical and elongated bal- loon are claimed to have been invented and developed in France, yet, as we have seen, the idea of mechanical propulsion was suggested by Benjamin Franklin in 1783, and, according to the late Professor R. H. Thurston, a cigar- 72 THE CONQUEST OF THE AIR shaped balloon, driven by a screw-propeller, was patented in 1820 by Rufus Porter, an American. A model exhibited in New York between 1835 an( ^ 1 ^4 was reported in the newspapers as flying rapidly ...and sustaining itself for a considerable time.
A real advance lay in the application of an artificial motor to the balloon, which was first done by Henri Giffard in 1852. His balloon had a gas-bag, pointed at either end, 144 feet long and 39 feet in diameter, and was driven by a screw-propeller turned by a three horse- power steam engine.
The small power, the lack of rigidity in the supports of the car and the deformation of the envelope itself, all contributed to the want of success of this balloon, which attained a speed of but seven miles an hour.
What to read after New Conquest of the Air Or the Advent of Aerial Navigation?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Although both the spherical and elongated bal- loon are claimed to have been invented and developed in France, yet, as we have seen, the idea of mechanical propulsion was suggested by Benjamin Franklin in 1783, and, according to the late Professor R. H. Thurston, a cigar- 72 THE CONQUEST OF THE AIR shaped balloon, driven by a screw-propeller, was patented in 1820 by Rufus Porter, an American. A model exhibited in New York between 1835 an( ^ 1 ^4 was reported in the newspapers as flying rapidly ...and sustaining itself for a considerable time.
A real advance lay in the application of an artificial motor to the balloon, which was first done by Henri Giffard in 1852. His balloon had a gas-bag, pointed at either end, 144 feet long and 39 feet in diameter, and was driven by a screw-propeller turned by a three horse- power steam engine.
The small power, the lack of rigidity in the supports of the car and the deformation of the envelope itself, all contributed to the want of success of this balloon, which attained a speed of but seven miles an hour.
What to read after New Conquest of the Air Or the Advent of Aerial Navigation?
You can find similar books in the "Read Also" column, or choose other free books by Rotch, Abbott Lawrence, 1861-1912 to read onlineMoreLess
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