interesting... initial feeling is a mock up of a Hawker Tornado with 24-cyl Vulture X-engine, but it isn't it...
The Italians had the Isotta Zeta 24-cyl X-engine, but can't find anything even remotely resembling the ac in the picture.

EDIT: while I was searching for (false) answer Noyade already nailed it. Ignore this post, big hand to Noyade for getting it!

Yes it is indeed the SNCASE SE 580: Noyade it's your helm!

Cheers Pypard!


https://cimg8.ibsrv.net/gimg/pprune....503d8e3efe.jpg

Wiki says 41 were built between 1928-1930 (another source says 30).
USA.
Steve Whittman took over as test pilot when the company founder died in an aircraft crash and eventually relocated the company to Wisconsin.
Curtiss OX-5 engine.

I think it's a Pheasant h-10? - there's one in the Air-venture Museum I believe

That's the one.
Over to you.

Thanks - the clues made it (relatively) easy...................... try this
https://cimg4.ibsrv.net/gimg/pprune....7c28c5c742.jpg

I've read there were plans to produce this aircraft in West Germany as the Messerschmitt Me 100.

Really? I hadn't read that...........

https://cimg4.ibsrv.net/gimg/pprune....75424f32da.jpg
A lot were built but didn't get to fly .

I read it here...

https://cimg1.ibsrv.net/gimg/pprune....7f3560e280.jpg

(And the Hispano HA-200-RI Saeta was to be the Messerscmitt Me 200 Pfeil)

Yes - the Hispano HA100 designed by Messerschmidt - nice looking beast tho better without the tricycle undercarriage I always felt . They built a load and then the US wouldn't provide engines so they were scrapped........


https://cimg8.ibsrv.net/gimg/pprune....4ffc4fc250.jpg
https://cimg9.ibsrv.net/gimg/pprune....3b88494549.jpg

Thanks A56.
Time again for OPEN HOUSE.

https://cimg3.ibsrv.net/gimg/pprune....db7cb8613.jpeg
Something to ponder over, over the weekend

The Putzer SR.57 Bussard?


https://cimg5.ibsrv.net/gimg/pprune....6b0a4b2915.jpg

Looks as if the empennage went through several re-designs.


https://cimg3.ibsrv.net/gimg/pprune....f57516abeb.png

Noyade nails it down again!
The Putzer SR.57 Bussard.
Although I had it with a ducted propeller

https://cimg2.ibsrv.net/gimg/pprune....ff80ab90d.jpeg


https://cimg5.ibsrv.net/gimg/pprune....7a462d1c3.jpeg

Thanks Bear!


https://cimg4.ibsrv.net/gimg/pprune....92331df4c1.jpg

From the USSR.
First flight in 1933.
Seventy nine built (Wiki).
Two pilots and six passengers.
Power was a 480 hp M-22 (Gnome-Rhone Jupiter).
Used by Aeroflot until the summer of 1941 - then taken over for military work.

American?
I only see 2 bladed propellers with Ryan and Stinsons,
Distinctive wide window frame, but no hits.

No mate, Soviet - see my post above you.