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

LowObservable

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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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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.
 

Antonio

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Are you talking about "mystery0239.jpg"?. It is the mock-up of fighter project SE580/582 with Hispano-Suiza 24Z engine (3000 hp)
 

borovik

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Once again uncompleted image.
But giving more full presentation.

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

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Jemiba

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The SE.580
 

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Rickshaw

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So, what is the massive structure behind the cockpit for?
 

blackkite

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The pilot had a blind spot. It's fatal.
 

Apophenia

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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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Pepe Rezende

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

Cheers


Pepe
 

hesham

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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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toura

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

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blackkite

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Hi!
 

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Stargazer2006

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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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hesham

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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.

https://oldmachinepress.com/2016/03/10/sud-est-sncase-se-580-fighter/
 

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