Junkers Ju 287 variants

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Y Ddraig Goch
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Junkers Ju 287 variants

Post by Y Ddraig Goch » 24 Oct 2004 13:15

I am interested in finding information on this aircraft, notably the variants. Does anyone have anymore variants of the Ju 287? Thanx in advance!


Junkers Ju 287 V1 Testbed
Junkers Ju 287 V2
Junkers Ju 287 V3

Huck
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Re: Junkers Ju 287 variants

Post by Huck » 24 Oct 2004 14:34

There is an article about Ju-287 on the excellent site http://perso.wanadoo.fr/prototypes.com/index.html

http://prototypes.free.fr/ju287/ju287-1.htm

For those who do not speak French here's a summary:

Ju-287 V1 with 4 Jumo 004B (testbed with He-177 fuselage, flown in 1944)

Ju-287 V1 (identical with Ju-287 V1, but not completed)
Image

Ju-287 V3 with 6 RD-10 (Jumo 004B) and Ju-288 fuselage (flown in 1947)

Ju-287 V4 (identical with Ju-287 V1, used for static tests)

The drawing below represents the EF-131, a slightly modified Ju-287 V3
Image

Ju-287 production model with 4 He S 011 (not completed)
Image

EF-125 - projected development of Ju-287 production model with 2 Jumo 012 or 2 BMW 018 (not completed)
Image

EF-140 - russian built EF-131 with 2 RR Nene (flown in 1948)
Image

All images are from:
http://perso.wanadoo.fr/prototypes.com/index.html

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Stormbird
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Post by Stormbird » 24 Oct 2004 15:26

Hi, I found this in my collection :D
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Kurt_Steiner
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Post by Kurt_Steiner » 30 Oct 2004 09:33

Wonderful pics!

Why did the Russians not go ahead with their development of the Ju 287?

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procrazzy
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Post by procrazzy » 30 Oct 2004 10:29

those scientests were WAY ahaed of theier time!

cheers

Philip

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baronvonkleist
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Post by baronvonkleist » 04 Nov 2004 17:37

man, ww2 had so many kickass planes in it!

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Y Ddraig Goch
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Post by Y Ddraig Goch » 07 Nov 2004 20:23

Thanks for your help

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Topspeed
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Post by Topspeed » 08 Jan 2008 17:33

Kurt_Steiner wrote:Wonderful pics!

Why did the Russians not go ahead with their development of the Ju 287?


I wonder this too ?! Why not ?

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Michael Emrys
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Post by Michael Emrys » 09 Jan 2008 05:23

Topspeed wrote:
Kurt_Steiner wrote:Wonderful pics!

Why did the Russians not go ahead with their development of the Ju 287?


I wonder this too ?! Why not ?


Probably for the same reason the US didn't. The forward swept wing, although it offers significant aerodynamic advantages (tip vortex is reduced if not eliminated outright), requires a very rigid and strong structure to avoid progressive twisting at high angles of attack and load. Until carbon fiber came along about 30 years ago, that was impossible without making it also prohibitively heavy.

And BTW, like the US X-29, the Russians have developed a forward swept aircraft. http://en.wikipedia.org/wiki/Sukhoi_Su-47

Michael

He-162
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Re: Junkers Ju 287 variants

Post by He-162 » 04 Aug 2008 05:48

quiet a nice aircraft

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Simon K
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Re: Junkers Ju 287 variants

Post by Simon K » 04 Aug 2008 06:14

What is that weird rear gun position on the second drawing?
Is that artistic licence or a real design?

Cantankerous
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Re: Junkers Ju 287 variants

Post by Cantankerous » 01 Sep 2019 22:41

Huck wrote:
24 Oct 2004 14:34
There is an article about Ju 287 on the excellent site http://perso.wanadoo.fr/prototypes.com/index.html

http://prototypes.free.fr/ju287/ju287-1.htm
For those who do not speak French here's a summary:
Ju 287 V1 with 4 Jumo 004B (testbed with He 177 fuselage, flown in 1944)

Ju 287 V1 (identical with Ju 287 V1, but not completed)
Image

Ju 287 V3 with 6 RD-10 (Jumo 004B) and Ju 288 fuselage (flown in 1947)

Ju 287 V4 (identical with Ju 287 V1, used for static tests)

The drawing below represents the EF-131, a slightly modified Ju 287 V3
Image

Ju 287 production model with 4 He S 011 (not completed)
Image

EF-125 - projected development of Ju 287 production model with 2 Jumo 012 or 2 BMW 018 (not completed)
Image

EF-140 - russian built EF-131 with 2 RR Nene (flown in 1948)
Image

All images are from:
http://perso.wanadoo.fr/prototypes.com/index.html
These images are also found in the book Luftwaffe Secret Projects: Strategic Bombers 1935-1945.

Cantankerous
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Re:

Post by Cantankerous » 02 Sep 2019 16:41

Kurt_Steiner wrote:
30 Oct 2004 09:33
Wonderful pics!

Why did the Russians not go ahead with their development of the Ju 287?
They did go ahead because they recognized the benefits of swept wing tech. The EF 131 was completed after WW2 and flow in the USSR beginning in May 1947. There is a grainy photo of the EF 131 in Griehl (2004, p. 306).

Buttler, Tony; Gordon, Yefim (2004). Soviet secret projects: Bombers since 1945. Hinckley: Midland Pub. ISBN 1-85780-194-6.

Gordon, Yefim, 2004. Early Soviet Jet Bombers. Hinkley, UK: Midland Publishing. ISBN 1-85780-181-4

Griehl, Manfred, 2004. Jet Planes of the Third Reich, Secret Projects: Volume 2. Sturbridge, Massachusetts: Monogram Aviation Publications.

Cantankerous
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Re: Junkers Ju 287 variants

Post by Cantankerous » 02 Sep 2019 20:33

Hi,

There's photos of the nearly-completed second Ju 287 prototype in Griehl (2004, pp. 294-295), and the Ju 287 V2 was similar to the first prototype except that it had six turbojet engines and the tailplane was moved a few inches below the base of the vertical stabilizer. One of those photos shows the Ju 287 V2 after it was blown up by the Germans to avoid capture by Allied forces.

Griehl, Manfred, 2004. Jet Planes of the Third Reich, Secret Projects: Volume 2. Sturbridge, Massachusetts: Monogram Aviation Publications.

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Grzesio
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Re: Junkers Ju 287 variants

Post by Grzesio » 02 Sep 2019 22:16

Simon K wrote:
04 Aug 2008 06:14
What is that weird rear gun position on the second drawing?
Is that artistic licence or a real design?
It's real. Two tail turrets were studied for the aircraft, FHL 131/Z with two MG 131 one above the other and an unspecified turret with two equally unspecified guns mounted side by side. Model photo is shown in Griehl's book, p. 304.

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