Here's a drawing of the HB 11 (Hurel-Bertin, as developed in co-operation with Maurice Hurel),
progenitor of the HB 12 and two other Bertin VTOL projects based on Bertins Variflux principle.
Contrary to Hesham's post, this is actually a translation of an article by Jean Bertin of Societe Bertin & Cie about his Cygne 10 and Cygne 14 designs. The Lockheed and Boeing designs are used in the article as illustrations of similar concepts.
Translation of "Une nouvelle aviation de tranport...
The Aerotrain was the brainchild of Bertin, a French engineer who also did some aviation-related work (search for the keywords "Bertin" and "Aladin" on this very forum).
Several dozen miles of the concrete structure meant for the Aerotrain's tracks still exist to this day. I used to look at it...
...by Naval minister Lockroy, was to be 3 knots faster than contemporary battleships and armed with 2 305mm guns and 14 164mm guns. Designed by Bertin. Similar in concept to later Japanese Tsubuka class armoured cruisers and Italian Regina Elena class battleships.
Initial design for Bertin's...
Jean Bertin (* September 5th, 1917 in Druyes-les-Belles-Fontaines, Département Yonne; † December 1975 in Neuilly-sur-Seine) was a French Aviation Engineer. He studied at École polytechnique & at the École supérieure de l'aéronautique (SUPAERO). His name is famous with the hovercraft train...
The principle to achieve STOL via the redirected slipstream of the engines
was the same, I think, and at least for several VTOL designs there was aclose
collaboration between Breguet and Bertin.
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