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Q about pneumatics (please respond)(please)

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Q about pneumatics (please respond)(please)

Unread postAuthor: A-98 » Sun May 07, 2006 11:06 pm

ok im new to spud guns in general (i have only built 1 combustion) and im of a young age.

my question is: how do the diaframs (sp?) work? i get the bsic concept but i dont really know how to build /operate one (yes i have found articles and tutorials)...i think i want to go with the "floating diafram"


please respond to my account , this page , or burntfaceman420 (my aim)

thanks alot...


ps i want to build a gun like this one ttp://www.spudfiles.com/forums/viewtopic.php?t=136&

oh also i would like to knw what parts i would need to get it to work with a bicycle pump



and a random question is : do they sell pvc at home depot...probably not (whoa unexpected rhyme)
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Unread postAuthor: rna_duelers » Mon May 08, 2006 5:59 am

Spud wiki......its has everything....
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Unread postAuthor: A-98 » Mon May 08, 2006 6:10 pm

thanks i looked on there the other day but not for that....on my next cannon im gonna go with a sprinkler valve but for now im gust gonna go with a diaphragm (got it right that time) so should i just put it in there without really understanding it...and learn later
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Unread postAuthor: )DEMON( » Tue May 09, 2006 1:40 pm

it is fairly simple if you think about it
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Unread postAuthor: boilingleadbath » Tue May 09, 2006 4:53 pm

Guys, the spudwiki artical is basicaly operation therory, and basic construction. It doesn't go into detail as much as it should.

Personaly, I'v made 2 diaphram valves. One has issues getting it to seal - the pilot volume is tapered, so avoid that if possible - and the other sealed well, and had a sealing surface shaped like this. =[( (equals sign is the pilot valve, ( is the diaphram.
(the one that worked well was retired due to the use of a clean out plug.)

Information on bike pumps is in the wiki.

Yes, they sell PVC at home depot, and will probably have pressure rated up to 3 or (if you are lucky) 4". The fittings selection is rather limmeted and you won't find pressure rated things above 1.5" - which may or may not be an problem.
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Unread postAuthor: A-98 » Tue May 09, 2006 5:39 pm

thanks alot that helped but i had already found out and understand it now from spud wiki


thanks again though
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