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Post Info TOPIC: Feldkanone 96 n.A Breech Drawing
CharlieC


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Feldkanone 96 n.A Breech Drawing
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Does anyone have, or know of, a drawing or schematic of the breech mechanism of an 7.7cm FK 96 n.A?


Regards,

Charlie



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Paul Bonnett


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Hi Charlie, have you checked the drawings here on Landships

http://www.landships.freeservers.com/feldkanone_96_na.htm

-- Edited by Paul Bonnett on Friday 24th of September 2010 02:02:47 AM

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CharlieC


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I did, the drawings of the FK 96 n.A are good overview drawings but what I'm after is a drawing or schematic of the breech opening mechanism.

Regards,

Charlie


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Pat


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Charlie, the 96 n. A. had a breech typical for German guns. The breech family was called Keilverschluß (or - today's spelling - Keilverschluss).

There were several subtypes, the Erhardt system as on the 96 n. A. called Schubkurbelverschluß, and the Krupp system called Leitwellenverschluß.

Please see this comparison image:
http://de.wikipedia.org/wiki/Datei:Keilverschluss.jpg

This
http://www.zeno.org/Lueger-1904/A/Verschl%C3%BCsse+der+Gesch%C3%BCtze+%5B1%5D
is the related, very detailed text (in German). See also
http://de.wikipedia.org/wiki/Keilverschluss

If you do a search for Schubkurbelverschluß or Keilverschluß, you might find more.

PS: If one character won't show in this post it is
http://en.wikipedia.org/wiki/%C3%9F
and might be replaced by a double s.

-- Edited by Pat on Friday 24th of September 2010 01:22:47 PM

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CharlieC


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Thank you for that - the links point to just about every Krupp breech design except for the FK 96/lFH 16. The FK 96 breech seems to have used a spiral cog on top of the breech to drive the breech - this was driven in turn by a cog on a shaft underneath the breech lever. There are lots of details I don't understand such as how the cartridge extractor worked and the safety interlock so the breech was fully closed before the gun could be fired.

I figure this must have been patented but finding the patent is not easy (for me - steep learning curve on searching patent literature).

Regards,

Charlie


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Ironsides


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Hi Charlie try Otto Lauber, Norbert Koch, Adolph Resow, Otto Behnke all designers who seem to have been involved with recoil mechanisms for Krupp Guns bettween 1890-1910, I often find searching by designer names works well limit your seach to a time frame...
"Fried krupp breech" 1895-1905  expanding the date will turn up loads  more on Google patents....

krupp breech 1
Krupp breech 2

Cheerswink


-- Edited by Ironsides on Saturday 25th of September 2010 04:47:19 PM

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Ralph Lovett


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Charlie

The old 7,7cm lFK 1896 had the spiral cog breech locking system.  These were replaced and changed to the lever slide system when the guns were re-built as the 7,7cm lFK 1896 n/A. 

The other types in common service that had this sort of spiral cog sysytem are the 10,5cm lFH 98/09, the 10,5cm l.F.H. Kp. 1916  and the 15cm sFH 1902.

Although I do not have the best images of the breeches on this page, this maybe of some help:

http://www.lovettartillery.com/German_Field_Artillery_ID_Drawings.html

http://www.lovettartillery.com/7.7cm_leichte_Feld_Kanone_(l.F.K.)_1896_n_A.html

Hope this helps

R/

Ralph Lovett

http://www.lovettartillery.com/index.html




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Ralph Lovett
Ralph Lovett


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Here are a few drawings of the 7,7cm l.F.K. 1896 n/A Breech-ring and Breech.

R/

Ralph Lovett

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Ralph Lovett
CharlieC


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Ralph, thank you very much - the drawings are exactly what I was looking for.

Regards,

Charlie


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jamec9869


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Ralph Lovett wrote:

Charlie

The old 7,7cm lFK 1896 had the spiral cog breech locking system.  These were replaced and changed to the lever slide system when the guns were re-built as the 7,7cm lFK 1896 n/A. 

The other types in common service that had this sort of spiral cog sysytem are the 10,5cm lFH 98/09, the 10,5cm l.F.H. Kp. 1916  and the 15cm sFH 1902.

Although I do not have the best images of the breeches on this page, this maybe of some help:

http://www.lovettartillery.com/German_Field_Artillery_ID_Drawings.html

http://www.lovettartillery.com/7.7cm_leichte_Feld_Kanone_(l.F.K.)_1896_n_A.html

Hope this helps

R/

Ralph Lovett

http://www.lovettartillery.com/index.html



Such a very amazing link! Thanks you for the post



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