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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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Unread postAuthor: jackssmirkingrevenge » Sun Dec 30, 2007 6:44 am

*facepalm*


oh it gets worse:

What do you call a dog with no legs?

Whatever you like, it's not going to come to you anyway.

What do you do with a dog with no legs?

Take it for a drag.


Anyway *ahem* I'm sure Bartholomäus Girandoni must be turning in his grave right now, back to antique airguns :D
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Unread postAuthor: Hawkeye » Sun Dec 30, 2007 10:12 am

Apparently the number of strokes to fill a chamber for one of those old guns was likely exaggerated. If they were only operating at under 1000 psi, which is very likely, it doesn't take that many strokes to fill those relatively small chambers.
Still a pain to fill I'm sure as pauses were necessary to prevent overheating.
Modern replicas of these guns and similar pumps seem to top out in the 700-1000 psi range. You also end up only using partial strokes to top up at higher pressure.
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Unread postAuthor: SPG » Sun Dec 30, 2007 11:38 am

I think there's huge amounts can be learnt from antique airguns, as when you think about the level of technology they had when making and we have at our fingertips, they're possibly very similar. It's all very well saying in the 21st Century we have access to all sorts of alloys and machine tools etc, but when it comes down to it, very few of us personally do.
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Unread postAuthor: cdheller » Sun Dec 30, 2007 11:40 am

jackssmirkingrevenge wrote:
*facepalm*


oh it gets worse:

What do you call a dog with no legs?
:D




Matt

just to add some fool to the fire :lol:
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Unread postAuthor: jackssmirkingrevenge » Sun Dec 30, 2007 3:48 pm

It's all very well saying in the 21st Century we have access to all sorts of alloys and machine tools etc, but when it comes down to it, very few of us personally do.


brilliant point, I do tend to pay a lot of attention to "ancient" technology for that very reason.
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