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French pneumatic mortars in WWI

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Hotwired » Sat Mar 26, 2011 7:34 am

jackssmirkingrevenge wrote:
Hotwired wrote:Do not like the 50mm mortar.

You'd have to dump a barrel of compressed air just to fire the projectile.


This is whatthis basic diagram of the device suggests. I remember a Junkyard Wars episode where they made a bowling ball cannon with a burst disk at the muzzle *cringe*

Here's how I would make it, much more efficient and the hollow tail also provides stability:


Every time I post there's a link to a muzzle burst disk design using hollowtail projectiles :P

But still, it looks like they fill the entire tube with compressed air then waste the barrel section of it.
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Unread postAuthor: jackssmirkingrevenge » Sat Mar 26, 2011 7:41 am

You never posted damage pics :)

Hotwired wrote:But still, it looks like they fill the entire tube with compressed air then waste the barrel section of it.


The description suggests it was one of first models made and had relatively short range:

This weapon does not appear in textbooks in 1918 and likely had been withdrawn from service before the end of the conflict.
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Unread postAuthor: LeMaudit » Sat Mar 26, 2011 8:02 am

Here's the translation for those French links:

WW1 Pneumatic Weapons

This work is strictly private and restricted to our forums, as I didn't ask permission to copy the various materials. So private usage is fine I guess, but do not put this link on a page were Google or any other search engine could find it. Thanks.

If you find more French material, I'll be glad to add it and translate it as best as I can.
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Unread postAuthor: jackssmirkingrevenge » Sat Mar 26, 2011 8:14 am

Nicely done, thanks for the effort!

According to this link you posted, it seems one of the 60mm Brandts was recently fired :D
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