Dewoitine D.580 / SNCAM M.580 / Sud-Est SE.580

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I saw this beast on a German aviation page a few years ago.
It looks like nothing I have ever heard of. X-24 or vertical-H engine, I would guess, and an enormous installation behind the cockpit - either a supercharger with its own engine (not a turbo, see exhaust stacks) or a Russian-type auxiliary-ramjet set-up, or the radiator.
I think it's probably a mock-up - just a guess from details like the ends of the wing stubs - but of what?
The photo is also blessedly free of cultural cues to where it was designed.

http://www.aviationpics.de/myst/page_12.htm

Modified to reflect the fact that I forgot the pic, sorry Deltafan
 

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Ah, OK, it's better now ;)

It was the french Sud-Est SE-580 fighter project (SE-582 for the french navy)

At first an Hispano Suiza 24 Z (2500 hp) with contraprop was foreseen. But there were too big problems with this engine and an Arsnal 24 H (from the german Jumo 213) was chosen. With the change of the engine there was a lot to change on the plane. At this time the jet fighters seemed to be the future and Sud-Est had enough works. The 580 was cancelled at first and the 582 a few later.

Two prototypes were ordered in 1944 but they were not finished when the program was cancelled at the end of 1947.
 
Are you talking about "mystery0239.jpg"?. It is the mock-up of fighter project SE580/582 with Hispano-Suiza 24Z engine (3000 hp)
 
Once again uncompleted image.
But giving more full presentation.

Marek Rys http://www.airart3d.ovh.org/
 

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The SE.580
 

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So, what is the massive structure behind the cockpit for?
 
The pilot had a blind spot. It's fatal.
 
Rather OT but can anyone confirm that the Hispano-Suiza 24H and Type 82 are the same engine?

The image of the preserved HS-24H came from a blog which included the phrase "... un moteur Hispano-Suiza type 24 Z 82 - 24 cylindres en H ..." http://le-reve-d-icare.over-blog.com/15-index.html
 

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The SE580 was the last Dewoitine D.520 derivative. The intake also served to feed a turbocompressor.

Cheers


Pepe
 
Hi,


we know SNCAM company,and it developed the M.580 (formally Dewoitine D.580),
it was a fighter project,led to develop the SNCASE SE.580;


http://forum.aviation-ancienne.fr/t6893-le-m580-sncam-vous-connaissez
 

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Hi all
Some variations ,from "Le fana de l'aviation"
 

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Hi!
 

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Topics merged.

Here is the box to the resin model produced by Unicraft, as well as a plan:
 

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Hi,

there was also SNACSE SE.581 and SE.582,the SE.582 was a naval version
Project from SE.580,with some changes,included incorporating an arrestor
hook and folded wing.

 
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Do any designs or artistic representations of the SE.582 exist? (With the wings folded would be helpful.)
 
Do any designs or artistic representations of the SE.582 exist? (With the wings folded would be helpful.)
Hi Airborne,

here is all I have,but by French Language.
 

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Yup, SE being the same company - SNCA-SE : Société Nationale de Construction d'Avions - Sud-Est (all in the name !)
 

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