Don’t get political on the forums that usually ends babdly for the post
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I was wondering, what ammo will it use? German Produced 47mm rounds?
Unless someone has information that they reloaded German projectiles in the Belgian cases it will probably use standard Belgian ammunition I believe.
Does it use the same ammo as the 4,7 M35/36 gun?
By wiki, the M31 uses 47x280mm ammo with 1,52 kg. German new build M35/36 ammo is an Aphe 1,51 kg round aka Böhler.
Unfortunately I couldn’t, and still can’t seem to, find exact numbers and designations from primary sources, however, plugging the numbers in from the below secondary source written by one “Bernard Vanden Bloock” into Gaijin’s penetration calculator, you get 63.02mm of pen. That being said, I have seen some discrepancy between sources on muzzle velocity, with some sources even stating that the AP shell had a velocity of 720m/s, which would give it 69.12mm of pen.
As for if the Germans put their own ammunition through the gun, I don’t know, however, since these tanks and its other variants were captured in droves right in Belgium, I would assume they weren’t short on ammunition for the gun and would want to go through that before considering using their own. Again, I’m not sure.
Annxe B: Weapons, Belgian Fortifications, May 1940
the diameter of the projectiles is the same, but how compatible they are in other guns is a different question. So unless we see that the Germans re-seated projectiles in the Belgian cases, we simply don’t know if they managed to find a way to make them work. But it wouldn’t surprise me as they often managed to do so.
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that’s a problem i came across as well, but the more probable velocity seems to be 675 m/s
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On a side note, the cannon had a max rate of fire of 25 rounds per minute, which is very cool
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What does the AP look like? The german new build is this. The Zcheck one can have the same copper band But would be heavyer except the uncapped one. (That means the rounds were interchangable.)
Blueprint
That drawing is sadly highly inaccurat for any Ammo. With unfitting sizes. Tho if we could see one with the Driving band, and like on the (ö) and (t) same one was used, it would be able to use the standart german build ammo.
A bit late, tho if also the gun is related to the french guns, then its still highly likely that it got german produced ammo, if not at least Pzgr.40, as even the german captured 4,7 cm Pak 181(f) aka SA 37 APX.
It seems that if not all guns where fitting ammo was produced, it was also used.
I suppose the SA 37 is unique in only using the Standart french APCBC and German Pzgr.40 as well as all service He rounds (of Belgian, Austrian and French origin) because it may simply be too powerfull for the different APHE and APC rounds to handle. (Or other ammo listed on a different page that is not shown in the preview.)
Prob could be added but the other marking… will not.
It isn’t, but the French SA35 was actually somewhat based on the Belgian C47
Oh, ok then that way around.