Junkers Ju 52 question

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Sturm78
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Junkers Ju 52 question

Post by Sturm78 » 04 Oct 2018 22:00

Hi all,

Are the engines of this Ju 52 the standard BMW 132 ?
The central engine in this plane have a different cowling and the three engines have propeller hubs...while most of the copies do not... :?

Image 2 for compare

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Re: Junkers Ju 52 question

Post by ChrisMAg2 » 06 Oct 2018 04:23

Hi Sturm,

a.) In principle, yes, both photos show Ju 52 with BMW132 engines.

b.) But the difference is in the details other then the different cowlings of the central engine.
- Upper photo shows ...the props have spinners.
- ...on the left side of the arrow head pointing to the unit crest, there is an intake for a charger. There should be a charger intake under each of the side engines too.
- ...the exhaust pipes of the central engine are lead through the fuselage front downwards with the outlets being behind the oil coolers.

That said, it should be safe to assume, the upper photo shows a Ju 52/3mte, (formerly civilian) fast passenger carrier with BMW132G/L engines.
The lower photo shows a standard engined (BMW132A, Dc, F, M, T etc.) carrier/ transporter.
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Christian M. Aguilar

Sturm78
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Re: Junkers Ju 52 question

Post by Sturm78 » 08 Oct 2018 19:40

Thanks for your help, ChrisMAg2

I did not know that there were so many variants of the BMW 132 engine.... 8O
What engine mounted each military version of the Ju 52?

According to Wikipedia:

Ju 52/3mg3e: BMW 132A 725hp
Ju 52/3mg5e: BMW 132T 830hp
Ju 52/3mg12e: BMW 132L

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Re: Junkers Ju 52 question

Post by Sturm78 » 18 Oct 2018 21:55

Nobody ?

Well, here another image of a Ju 52 with non standard engines. Any idea ?

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Re: Junkers Ju 52 question

Post by ChrisMAg2 » 20 Oct 2018 05:13

Although, I cannot identify the engine typ, we see the same features as with the upper photo of post #1.:
- charger intake infront of the oil coolers
- through the front fuselage lead and downwards pointing exhausts of the central engine
- propeller spinner hubs
and differentely from the 1st photo
- 3 bladed (JuPAK?) propellers and also aerodynamically faired main wheels

That said, I believe this is still a fast passenger carrier, similar to the Ju 52/3mte, BMW132G/L equipped one. This may be a captured export model, as the engine cowlings appear to be neither for BMW 132 nor P&W Hornet.

The engines look similar to the Bristol Pegasus of the swedish Ju 86. Polands's Ju 52 are said to have been equipped with Bristol Pegasus engines.
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Christian M. Aguilar

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Re: Junkers Ju 52 question

Post by Sturm78 » 21 Oct 2018 13:35

Thanks, ChrisMAg2

Do you know the denomination of the version with Bristol Pegasus engines ?? :?
Could the plane of my last image be Bulgarian ??.....see the cross under the wing...

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Re: Junkers Ju 52 question

Post by ChrisMAg2 » 22 Oct 2018 03:06

Hi Sturm,
I read, Ju 52 were equipped with Bristol Pegasus VI engines.

A bulgarian cross would be possiblility, but to me the "X" under the wing looks more like a letter "X" as part of a registry. And a bulgarian cross under the wing would contradict a fuselage Balkenkreuz.

While we are at it, here is a Ju 52 (originaly with a south american airline) later while in service for USAAF equipped with P&W1690 engines. It has almost all exterior telltales of your last photo:
Image
The story of this one is here: https://en.wikipedia.org/wiki/File:Germ ... e_1942.jpg
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Christian M. Aguilar

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Re: Junkers Ju 52 question

Post by Sturm78 » 25 Jul 2019 17:37

Hi all,

Another question about the Ju 52. Here, two images with two cargo doors of different size.
Is the larger cargo door typical only of Ju 52/3mg7e version or this larger door was maintened in following versions ?

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Xavier
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Re: Junkers Ju 52 question

Post by Xavier » 25 Jul 2019 20:29

could the "X" under the wings be the one of the condor legion in spain..?

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Re: Junkers Ju 52 question

Post by von thoma » 25 Jul 2019 21:12

Could the "X" under the wings be the one of the condor legion in spain..?
No, it's one of the code letters under the wing
X for Legion Condor was bigger and placed near wing tip
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Re: Junkers Ju 52 question

Post by von thoma » 26 Jul 2019 21:06

Is the larger cargo door typical only of Ju 52/3mg7e version or this larger door was maintened in following versions ?
Only two Ju 52 versions claim to have that cargo door

* Ju 52/3mg7e

Land/sea transport', broadly similar to /3mg5e, but wih an enlarged loading hatch and an improved Siemens auto-pilot. Built from 1941 to 1944.

* Ju 52/3mg10e

Similar to /3mg6e, but with an increased size loading hatch, de-icing equipment removed. Built from 1941 to 1944.
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Re: Junkers Ju 52 question

Post by Sturm78 » 27 Jul 2019 11:17

von thoma wrote
Only two Ju 52 versions claim to have that cargo door
* Ju 52/3mg7e
Land/sea transport', broadly similar to /3mg5e, but wih an enlarged loading hatch and an improved Siemens auto-pilot. Built from 1941 to 1944.
* Ju 52/3mg10e
Similar to /3mg6e, but with an increased size loading hatch, de-icing equipment removed. Built from 1941 to 1944.
Uummhhh...What is the source of this information ? :?
According to Wikipedia:
Ju 52/3mg7e
Transport version, capable of carrying 18 troops or 12 stretchers, featured autopilot and larger cargo doors

Ju 52/3mg10e
Similar to g9e, but could be fitted with floats or wheels, lacked deicing equipment

I have the book "Junkers Ju 52. A history: 1930-1945" of Robert Forsyth but there are not any mention about the different cargo doors....

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Re: Junkers Ju 52 question

Post by Sturm78 » 30 Jul 2019 20:43

Hi all,
Here, a third different model of cargo door. Any idea about this variant ?
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Re: Junkers Ju 52 question

Post by Sturm78 » 21 Aug 2019 15:55

Nobody ??
Well, here another question about Ju 52 cargo doors.
Does somebody know what variant had the roof cargo door ??
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