12,8 cm Selbstfahrlafette mit Rundumfeur

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In the German military archives (Bundesarchiv), under the file number RH 8/3095K, there are three drawings with so far unidentified self-propelled guns of 12.8 cm calibre. According to the data given in the 'Technische Zeichnungen 1942-1944', this could be the trio of designs 'K 14 - K 16: 12,8 cm SFL, Kasemattenlösung, Juni - Juli 1944'. However, the purpose and type of platform are unclear.


Purpose:
The stamp of the drawings shows the mark L Flak (WaA), which could mean that it is an anti-aircraft vehicle. On the other hand, the weapon's bearing is limited to 60°, which is not sufficient for anti-aircraft fire. The gun has a muzzle brake, which is not exactly a typical feature of German anti-aircraft guns. On the other hand, the vehicle is relatively small for a gun of this calibre and it is necessary to eliminate the large recoil.


Platform:
This is a platform with interlocking running wheels. Given the year of the drawings (1944) and using an estimate of the wheel diameter at about 600-700 mm, it is possible to use the all-metal wheels used on the Panther and Tiger platforms and Tiger II platforms, respectively. However, given the 430mm track or fender width, I would guess it's a modified platform Pz.Kpfw. IV. In that case it could be a use of the Versuchflakwagen Leichte project (stamp mark L Flak).


Thomas L. Jentz, Hilary L. Doyle - Panzer Tracts no.20-2 Paper panzers (Aufkaerungs-, Beobachtuns-, and Flak-Panzers, year of publication 2002, ISBN 0-9708407-7-2
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URL : https://www.valka.cz/12-8-cm-Selbstfahrlafette-mit-Rundumfeur-t258888#708458 Version : 0
This project was preceded by a pair of designs for vehicles with a gun mounted in a casemate. Considering the date of the drawing, this is the third and probably final design of the vehicle. The design on drawing H-SKB 89467 is dated 7.7.1944. It is probably a turret version of the self-propelled gun. It is highly probable that it is an anti-aircraft vehicle. In this case the chassis configuration is not outlined.
The drawing of the first design is stamped with the company that made the drawing. This is Rheinmetall Borsig A.G. of Düsseldorf. I assume that the second draft is also by the same firm, as is this third draft.


Thomas L. Jentz, Hilary L. Doyle - Panzer Tracts no.20-2 Paper panzers (Aufkaerungs-, Beobachtuns-, and Flak-Panzers, year of publication 2002, ISBN 0-9708407-7-2
www.bundesarchiv.de
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12,8 cm Selbstfahrlafette mit Rundumfeur -


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