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  #1  
Old 13th July 2005, 14:43
olefebvre olefebvre is offline
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Some questions about damaged airframe and reparation centers...

While going through the 109 production data i have collected so far i have noticed something odd.

So here is my question:
An aircraft getting to a reparation center with an usable fuselage would be repaired and will keep its WkNr, do you agree?

Now if the same a/c got his fuse so damaged that it can't be repaired, it still can provide some spares (lightly or undamaged parts), what will become of those spares ? Would it be possible that they were mated to new fuselage and not appearing on the production list of the fuse manufacturer ?

To sum up would it be possible that reparation centers were attributed some WkNr blocks for their own use ?

Thanks in advance for your help.

CHeers,
olivier
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  #2  
Old 13th July 2005, 22:41
David Ransome David Ransome is offline
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Re: Some questions about damaged airframe and reparation centers...

Hi,

From my experience regarding Heinkel 111s I would say categorically not! If anyone says otherwise I'd be interested to know but, so far, I have only encountered repaired 111s with factory batch WNrs, where the original aircraft's provenance has been known, whether Heinkel or licence built.

Hope this helps,

Regards

David
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  #3  
Old 14th July 2005, 00:57
olefebvre olefebvre is offline
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Re: Some questions about damaged airframe and reparation centers...

Thanks David,

As a example i'm quite certain that Bf 109E-3s in the 1660-1700 range were produced, yet Erla E-4 production end at 1659 and Ausburg 109B production begins at 1701. Same goes for the 2326-2346 range yet again for Emils or the 2444-2476 range for Doras.
There are several range of WkNr which are not attributed to any manufacturer (that i know) yet i'm certain there are a/c in those blocks.

Cheers,
Olivier
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  #4  
Old 14th July 2005, 01:34
David Ransome David Ransome is offline
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Re: Some questions about damaged airframe and reparation centers...

Hi,

I can't comment on other than 111s regrettably but I can say that with the WNrs there were 'gaps'; occasionally these would be where the RLM had allocated to another manufacturer or, as I believe could have been the case as war progressed, that some groups were never allocated. This was a method of disabling the enemies abilities to assess production numbers of aircraft overall, I feel sure.

Just my own thoughts, it would be useful if anyone could confirm or otherwise!

Kind regards,

David
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  #5  
Old 14th July 2005, 12:11
olefebvre olefebvre is offline
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Re: Some questions about damaged airframe and reparation centers...

That's true david but since there are losses listed in them with the same distribution pattern as in the other nearby blocks it isn't just recording errors that could account for them.There are definitely some gap between blocks but it seems there wasn't so much in the early 109 production, and gaps really appeared with the Gustav production.
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Old 14th July 2005, 14:02
David Ransome David Ransome is offline
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Re: Some questions about damaged airframe and reparation centers...

Hi Olivier,

Again, I can only offer comment on the He111. I have found several 111s with WNrs that did not seem to be in a particular manufacturer block. At first my thought was that there had been a number transposition error but, after obtaining some original data plates (several aircraft), I found that the aircraft had been made by a particular manufacturer. As the production dates tied in with various components etc from all over the aircraft it was obviously direct production rather than a cobbled together repair job - and also there was no 'R' after the WNr.

I think that manufacturer's would also have problems trying to build up whole aircraft from recovered parts. They would have to be re-accepted or 'proved' by the RLM and it would be extremely costly trying to assess what the stresses and strains of a crash had actually done to something that looked, on the surface, to be okay. The logistics of transporting damage recovered bits and pieces around in wartime conditions would also be fairly horrendous - I suspect that that is probably why so many damaged aircraft that looked 'reasonable' in photos were so often scrapped on or near to site!

My own work on 111s is far from complete and I dare say that even when it is there will be plenty of knowledge gaps that will probably never be filled which is why I always welcome new information. Everything I have said in this thread so far is based on my current knowledge and experience and I am unable to offer any further comment and again, like yourself, would be interested to hear from other parties!

Regards,

David
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  #7  
Old 14th July 2005, 21:59
vzlion vzlion is offline
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Re: Some questions about damaged airframe and reparation centers...

Damaged fuselages were repaired/rebuilt and assigned new w/n. The National Air and Space Museum's FW 190 is an existing example. IIRC it stared life as and A-7 and at sometime was rebuilt into an A-8 and assigned a new w/n. I don't know if this was true for all manufacturers.

There are well documented examples of w/n outside known blocks. For example there are several consecutively numbered Me 262s that fall outside known blocks.

There are also duplicate blocks for different types. 1405xx for Fw190 and Ar234 and there are probably others.

Walt
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Old 15th July 2005, 01:35
ArtieBob ArtieBob is offline
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RLM Neubau W.Nr.

As with any item associated with the Luftwaffe, it is dangerous to be be dogmatic. That being said, I have been working on W.Nr. databases for specific 8-nummer types. For the Ju 88, 188, 388 series, with a lot of help from Jim P. and others, I now have entries for about 12,000 specific a/c by RLM W.Nr. There is no indication for that type of any umbau or reparatuer W.Nrs. This does not mean that a/c may not have more than one W.Nr. and vice-versa. However all double W.Nrs. I have identified to date are RLM and indivdual company numbers. I have well documented cases of up to three W.Nrs. and possibly 4. But only one RLM W.Nr. And for those of you who really care, there is solid documentation that the RLM W.Nrs were issued in two basic sequences, "4" digit(which also would include 5 digit for Bf 109) and "6" digit. It becomes very confusing because there was apparently no standard for painting these on the airframes and the location and format varied widely, even on the same type from the same factory. I have similar data sets for Me210/410, Do217, He 177 and Fw 200. So, far I have no variance to what I have already said.

Best Regards,

Artie Bob
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Old 15th July 2005, 02:14
ArtieBob ArtieBob is offline
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Exception to my previous post

My wife said the Pizza was coming out of the oven and with that, I ended the previous post wihout including the one area of exception I have found. Some "Mistels" (possibly all, I can't document that) were assigned a third 6 digit W.Nr. in the 590xxx series. However, when these combos showed up on the loss lists, only the individual fighter and Ju 88 RLM W.Nrs. were listed. These same combinations were also refered to by "RW" numbers and it is not clear to me from Flugbuchs and other documents exactly what components the numbers applied to.

Best regards,

Artie Bob
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  #10  
Old 15th July 2005, 11:48
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Nick Beale Nick Beale is offline
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Re: Duplicated Werk Nummer blocks

Quote:
Originally Posted by vzlion
There are also duplicate blocks for different types. 1405xx for Fw190 and Ar234 and there are probably others.
Another example would be the 160 000 series, used for the Bf 109 G-6 and Fw 190 G-3.
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