Jean Bertin Projects

hesham

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Hi,

The Bertin HB-12 was a project of large version of HB-11 powered
by three General Electric J85 engines.
 

Jemiba

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A 3-view from the french Icare magazine. The box-like ejectors behind
the engines are for cooling the exhaust and silencing. It's a use of the
same principle, I think, as in the Breguet 940/941.
 

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hesham

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Hi,

http://www.flightglobal.com/pdfarchive/view/1975/1975%20-%200257.html
 

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Triton

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Line drawings of J. Betin's notional Projet Cygne, French for "Project Swan", aircraft designs. The project explored heavy lift transport designs that could be built using circa 1974 technology.

Line drawing (top) of Projet Cygne Design 10 heavy lift sea plane.

Line drawing (bottom) of Projet Cygne Design 14 heavy lift aircraft with air cushion landing gear.

Source: Betin, J. A New Aviation for Heavy Transport translated from "UNE NOUVELLE AVIATION DE TRANPORT LOURD'' PARIS, AERONAUT. ASTRONAUT., NO. 46, 1974-3 P 2-8
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740025333_1974025333.pdf
 

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fightingirish

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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 "Aérotrain" developed in France from 1965 to 1977. This project was abandoned in 1977 due to lack of funding, his death, and the adoption of TGV by the French government as its high-speed ground transport solution. In 1955 he started the company Bertin et Cie.
Seems that this company also started a STOL Transporter project.

More will follow... :)
 

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mz

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If anyone wonders at the boxes on the wings, they're for mixing the hot exhaust air with cooler before it hits the flaps.
 

Michel Van

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mz said:
If anyone wonders at the boxes on the wings, they're for mixing the hot exhaust air with cooler before it hits the flaps.

The German text say:

Configuration behind the Engine are Gaschannels with Mixchamber
in them exhaust gas are mix twice before - heavily cooled - hit the twin slotted Flap
during Takeoff and Landing.
 

Jemiba

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Two more pictures of the Aladin II, the first from Aviation Week May 1971,
the other from the french Pégase magazine 1973:
 

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hesham

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Hi,

for Bertin Aladin IIA,please see;

http://www.secretprojects.co.uk/forum/index.php/topic,872.msg24624.html#msg24624
 

fightingirish

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Damm, I did type the words "Bertin" & "Aladin" into the search machine, before starting this new topic. Somehow I did't get any results. Over the weekend I will translate and sum up the Flug-Revue article from June 1971.
Jemiba, in that article the Breguet 940/941 is also mentioned.
 

Jemiba

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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.
 

Stargazer2006

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The Aladin II derived from the earlier Aladin presented at Le Bourget and in FLIGHT International in June 1967:
 

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Jemiba

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The Aladin was proposed in two versions, with high or low wing. But the basic principle
seems to be different, I think. The one of first Aladin reminds me of the thrust augmented
wing of the Rockwell XFV-12.
 

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Jemiba

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Stargazer2006 said:
Smashing artwork, Jens, but you wrote "High wing" on both plans!!!

Oops, sorry, cleaned my glasses !
 
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Tophe

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In the magazine "Science & Vie", Hors Série "Aviation 73", is presented the Bertin Variflux device, to have engine exhaust blowing the wing into lift. An American derivative is presented, designed (before 1974) by Bell according to the caption, but the shape reminds Vought projects, no ?
 

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Tophe

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I was wondering: why is this so pleasant device of 1967 (or earlier) not used on all our aircraft now, to give them STOL ability with silence?
The reason may be difficulties in icy conditions and very long defrosting, with so many movable parts and ducts, but why not for tropical aircraft (like Hawaian-Filipino travels)?
 

LowObservable

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A lot of hot knitting, as the Great Foz used to say. It would work in the AeroEng Big Rock Candy Mountain, where neither leaks nor friction exist.
 

Tophe

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I am not sure to understand well: is the Candy Mountain in USA the equivalent of the French "bizounours" (kissing bears)? : a cartoon where everything is perfect, gentle, nice, problem-less... I would understand, yes, and that what the XVF-12 fell from: a dreamy hope of wonderful world...
 

Arjen

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http://www.youtube.com/watch?v=KSGuBNopzBw&feature=related
Something to do with pipedreams.
 

hesham

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Triton said:
Line drawings of J. Betin's notional Projet Cygne, French for "Project Swan", aircraft designs. The project explored heavy lift transport designs that could be built using circa 1974 technology.

Line drawing (top) of Projet Cygne Design 10 heavy lift sea plane.

Line drawing (bottom) of Projet Cygne Design 14 heavy lift aircraft with air cushion landing gear.

Source: Betin, J. A New Aviation for Heavy Transport translated from "UNE NOUVELLE AVIATION DE TRANPORT LOURD'' PARIS, AERONAUT. ASTRONAUT., NO. 46, 1974-3 P 2-8
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19740025333_1974025333.pdf


Anther Bertin Cygne design in the report.
 

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Jemiba

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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.
 

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hesham

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Great drawings my dear Jemiba,thank you.
 

Grey Havoc

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On a side note, one of the planned applications of the Aérotrain would have been to service this: http://www.secretprojects.co.uk/forum/index.php/topic,10414.0.html
 

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The attached picture shows a model of the Aladin 2A exhibited at Le Bourget 1971, from Aviation Magazine 565.

Jemiba said:
A 3-view from the french Icare magazine. The box-like ejectors behind
the engines are for cooling the exhaust and silencing. It's a use of the
same principle, I think, as in the Breguet 940/941.

Please what issue of Icare is that ?
Adrien
 

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hesham

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Skyblazer said:
The Aladin II derived from the earlier Aladin presented at Le Bourget and in FLIGHT International in June 1967:

Hi,

 

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hesham

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From JAWA 1973,
 

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hesham

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From Ali Nuove 2/1961,

here is a Bertin HB.11.
 

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hesham

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From L+K 9-10/1971.
 

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hesham

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From Icare 1973,

here is a number of Bertin VTOL Projects,the No.3 & No.5 is new,and
the picture "A" is a co-operation between him and Bell company,as
we knew before,CTA.
 

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hesham

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From Ailes 22/9/1961,

here is a Bertin P.99 VTOL aircraft,with Info about P.100.
 

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hesham

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From Aviation magazine Inter. 1968.
 

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hesham

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From Ali Nuove 2/1961,

here is a Bertin HB.11.

From Aviation magazine 1963,

a clearer view to Bertin VTOL Project,but note the rear wing was
highest a little than the Model in older picture ?.
 

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