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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.
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]
This file is a copyrighted work of the Government of India, licensed under the Government Open Data License - India (GODL). Authorization Method & Scope Following the mandate of the National Data Sharing and Accessibility Policy (NDSAP) of the Government of India that applies to all shareable non-sensitive data available either in digital or analog forms but generated using public funds by ...
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.
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.
In order to be used by the air pumps, it must first be brought up to vehicle speed. Similar effects occur with almost all high-speed vehicles: thus the reason for the large and complex air inlets on fighter aircraft, for instance, which slow the air down to speeds that their jet engines can ingest. In the case of a hovertrain design, the air ...
N500-02 - Ingénieur Jean Bertin [a] registered BL 341.931 at port of Boulogne Sur Mer was built for Seaspeed by SNCF in 1977. It showed poor engine and hydraulic system reliability/ It had difficulty climbing the ramp to the Dover hoverpad during bad weather.
The Covert-One series is a sequence of thriller novels written by several authors after the death of Robert Ludlum, presumably according to some of his ideas.The books feature a team of political and technical experts, belonging to a top-secret U.S. agency called Covert-One, who fight corruption, conspiracy, and bioweaponry at the highest levels of society.