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Post Info TOPIC: 21cm Stahlmörser


Brigadier

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21cm Stahlmörser
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Hiya,

Got sidetracked again... biggrin This time the 21cm Stahlmörser. As soon as I have finished the drawings, I will upload the printfiles..

With kind regards,

-Arie.



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Hero

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Awesome, I assume 1/72 scale?!

Is it a cast, or 3D printed?

All the best

Tim R



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Brigadier

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Hi Tim,

Again, you assume right.. smile

It is indeed 1/72 and it is a 3D print. Not completely finished, but nearly.

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Sunday 15th of September 2019 02:58:04 PM

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Hero

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So I am assuming with a little know how, they can be scaled to 1/35 scale?

By the way the level of detail is amazing, like your drawings....

All the best

Tim R



-- Edited by Tim R on Sunday 15th of September 2019 07:46:54 PM

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Brigadier

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Hi Tim,

Yep, just print at 51.43% and you get one in 1/35 or 56.25% for 1/32...

With kind regards,

-Arie.



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Legend

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Very impressive model. Couple of questions on the original mörser....

How did you get the breech open? - there's no lever on the breech block

Any idea what this mörser used for obturation? - the later M10 mörsers used cartridge cases - this one?

Had any thoughts about modelling the unique barrel transport cart?

Regards,

Charlie



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Brigadier

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Hi Charlie,

Good question! The lever was removed after loading, because with the lever the barrel doesn't fit the carriage. The breech has holes, one of these should hold the lever. Unfortunately, I have not yet found any pictures of the type of lever used. 

As for the cartridge casings, I always assumed that the two brown things that were on the barrel transport cart were the casings, but I am not sure..

'Had any thoughts about modelling the unique barrel transport cart?' Well, yes: My thoughts were: Bloody hell, that would be difficult to draw... biggrin So I have no plans to draw this one yet, but I must admit, it is a very interesting vehicle..

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Monday 16th of September 2019 08:46:09 PM

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Legend

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Couple of images of the top of the barrel of a 21cm Morser at Brussels. This one has the Prussian cipher as well as the Kaiser Wilhelm II cipher.

That would be a challenge for 3D printing.

Regards,

Charlie

 

 

 


 


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Brigadier

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...I think it would be a challenge for the draftsman, not the printer... smile



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Brigadier

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Hi Charlie,

I found a picture of the breech block lever...

With kind regards,

-Arie.



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Legend

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That's interesting - it seems to have a captive screw on the top of breech which moves the breech and a locking screw.

The technology is a mixture between the 1880s breeches where there was a locking screw and a T-shaped lever to manually

pull and push the breech block and the 1900s style with a captive screw in the top of the breech where the breech was unlocked and moved

with one lever (the early 75mm Krupp export guns had this).

Regards,

Charlie

 



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Brigadier

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Hi Charlie,

I never realised that the breach was opened in two stages, thanks for pointing that out! That the technology is a mixture of 1880's and 1900's technology is no surprise. The barrel is from 1899, so snugly fits both periods...

With kind regards,

-Arie.



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