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Big Blowgun

A place to ask general spud cannon related questions.
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Unread postAuthor: Atlantis » Tue Jan 17, 2006 8:17 pm

Does anyone here know how a blowgun works? I was whondering if it was possible to make a large PVC version of one.
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Unread postAuthor: jrrdw » Wed Jan 18, 2006 10:56 am

if your talking about the blow guns natives in the amazon use, it's gonna be hard to blow a big one, rite ! i had a 40 caliber one 54" long deadly accuret from point blank to about 30', you can get them from http://www.sportsmansguide.com/ , thats the site i got mine from, i also got some great steel head darts, they were awsume
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Last edited by jrrdw on Wed Jan 18, 2006 5:38 pm, edited 2 times in total.
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Unread postAuthor: boilingleadbath » Wed Jan 18, 2006 5:27 pm

<img src="http://img.photobucket.com/albums/v611/car2/blowgunint.jpg" alt="didatic diagram">
<i>Not</i> to scale.
There's a nice diagram I made of the internals of a blowgun... the blue thing is the moving part, which is pushed down by a lever on the handle. The red things are O-rings, the grey dots all in a row represent the spring, and the light grey represents the main body of the blowgun.

As to making a big blowgun, it'll get very hard to actuate at diameters over 1/2".
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Unread postAuthor: Atlantis » Wed Jan 18, 2006 8:23 pm

So basically the piston moves down and the air leaks AROUND it? I might try to make a design for this but it porbably won't work. Thanks for the help leadbath.
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