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antique airgun

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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antique airgun

Unread postAuthor: jackssmirkingrevenge » Fri Dec 28, 2007 6:53 pm

I was visiting an old armoury, one of the guns on display was an early airgun with a copper ball reservoir, just like the ones shown here.

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fascinating stuff :)
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Unread postAuthor: Fnord » Fri Dec 28, 2007 7:00 pm

That totally wouldn't give away your position.
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Unread postAuthor: Hotwired » Fri Dec 28, 2007 7:00 pm

Bit of a dodgy resevoir location on those. Can't imagine it helped having a small football sized copper ball sitting to one side of the gun.
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Unread postAuthor: pizlo » Fri Dec 28, 2007 7:02 pm

That thing would be a bit** to aim with all that weight to one side.
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Unread postAuthor: Novacastrian » Fri Dec 28, 2007 7:06 pm

Imagine what they could have done with a bit of expert help from this forum!
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Unread postAuthor: jackssmirkingrevenge » Fri Dec 28, 2007 7:10 pm

That totally wouldn't give away your position.


This is really a sporting/recreational rifle, unlike say the Girandoni.

That thing would be a bit** to aim with all that weight to one side.


In all fairness, it's full of air :D

Imagine what they could have done with a bit of expert help from this forum!


Considering the materials and tools they had at their disposal at the time, antique airguns are amongst the most intricate and sophisticated weapons of their time, I'm sure they could have taught us a thing or too!
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Unread postAuthor: pizlo » Fri Dec 28, 2007 7:22 pm

has anyone ever tried using a set or balloons or more practically some type of deflatable pressure chamber?
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Unread postAuthor: jackssmirkingrevenge » Fri Dec 28, 2007 7:23 pm

pizlo wrote:has anyone ever tried using a set or balloons or more practically some type of deflatable pressure chamber?


Tyre inner tube?
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Unread postAuthor: Hotwired » Fri Dec 28, 2007 7:38 pm

pizlo wrote:has anyone ever tried using a set or balloons or more practically some type of deflatable pressure chamber?

Rubber is not an ideal pressure chamber material. It can inflate and deflate yes... but unless you contain it with a rigid outer chamber it keeps ON expanding as you increase the pressure and a rigid outer chamber would totally defeat the point.
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Unread postAuthor: pizlo » Fri Dec 28, 2007 7:47 pm

ah, yes but what if it were like the inner structure of duct tape. with fibers running through the material which would limit expansion and increase durability.
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Unread postAuthor: grumpy » Fri Dec 28, 2007 8:09 pm

that is very cool, i had no idea airguns went so far back.
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Unread postAuthor: benstern » Fri Dec 28, 2007 11:18 pm

grumpy wrote:that is very cool, i had no idea airguns went so far back.

You have no idea....
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Unread postAuthor: paaiyan » Sat Dec 29, 2007 12:02 am

benstern wrote:
grumpy wrote:that is very cool, i had no idea airguns went so far back.

You have no idea....


...

Obviously.

That is a very interesting piece of history there jack, nice find.
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Unread postAuthor: carter » Sat Dec 29, 2007 12:05 am

its cool. does anyone no how th valve works?
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Unread postAuthor: jackssmirkingrevenge » Sat Dec 29, 2007 12:11 am

carter wrote:It's cool. Does anyone know how the valve works?


It's probably similar to the Girandoni:

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