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Jean Henri Bertin (5 September 1917 – 21 December 1975) was a French scientist, engineer and inventor. He was born in Druyes-les-Belles-Fontaines and died in Neuilly-sur-Seine . He is best known as the lead engineer for the French experimental Aérotrain mass transit system.
A remaining section of the Aérotrain track near Saran 2006. The Aérotrain was an experimental Tracked Air Cushion Vehicle (TACV), or hovertrain, developed in France from 1965 to 1977 under the engineering leadership of Jean Bertin (1917–1975) – and intended to bring the French rail network to the cutting edge of land-based public transportation.
For additional boost a jet engine was added, powering it to 400 km/h (250 mph) in October 1973, peaking at 430 km/h (270 mph) on 5 March 1974, a world record to this day. At the same time, Bertin started exploring the LIM for a lower-speed suburban vehicle, building a prototype known as the S44.
The reverse-thrust ratio (ratio of backward engine thrust to forward reverse thrust) can be as high as 84%. [6] However, this result is obtained with a cowl to attach air flow in a 7° angle and a large enough "target" (deflector door) installed. A reverse-thrust ratio of 55% can be reached on a simple target without the cowl. [7]
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This was a series of multi-skirt hovercraft built by SEDAM using and developing the skirt designs by French engineer Jean Bertin. The series included the Naviplane N102 , the Naviplane N300 and the N500 Naviplane , the N300 Naviplane was the first full-scale Naviplane designed for commercial use.
Bertin's first publication was in 1995 when her short story Dragonlord's Justice was submitted for an anthology of dragon stories and accepted. Her first novel, The Last Dragonlord was published in 1998. The sequel, Dragon and Phoenix, was published the following year. The last book in the trilogy, Bard's Oath, was released on November 27, 2012 ...
Peeters also thought that the final scene in the book, featuring Wagg and his family, was "tailored to perfection". [30] Jean-Marc Lofficier and Randy Lofficier felt that the volume "totally demystifies" Rastapopolous, who has been transformed from a "criminal mastermind" into "a farcical villain" akin to a character from the Pink Panther films ...