Category:Zodiac XII Spiess
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Joseph Spiess (1838 - 1917) was a French engineer who filed a patent for a rigid airship in 1873, the year before Ferdinand von Zeppelin first outlined his own design. However, Spiess's machine was not actually constructed until 1913, and was the first and only French rigid airship. Shortly before World War I, there was public pressure for France to emulate Germany's airship fleet, and construction of Spiess's airship, with state assistance, was started by Société Zodiac at the Aérodrome de Saint-Cyr-l'École. It had a framework of hollow wooden spars braced with wire, and was given the name Zodiac XII but had the name "SPIESS" painted along the side of the envelope. It was 113 metres long, with a diameter of 13.5 metres, powered by a single Chenu 200 horse power engine that drove two propellers. It first flew on April 13, 1913, but it became clear that it was underpowered and required more lift, so the envelope was extended to 140 metres to accommodate three more gas cells and a second engine was added. Spiess then presented the airship to the French government as a gift. After further trials it was not accepted by the French military, because their view was that smaller non-rigid types would be more effective. The Spiess airship seems to have been broken-up in 1914.
This page lists all films that feature the Zodiac XII Spiess.
Pages in category "Zodiac XII Spiess"
The following 3 pages are in this category, out of 3 total.