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Material for diaphragm

A place to ask general spud cannon related questions.
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Material for diaphragm

Unread postAuthor: The Ogre » Thu May 26, 2005 8:10 pm

I'm makin a cannon its built but I'm havin trouble makeing a diaphragm for it,
the valve type is more or less a super enlarged orbit watermaster 57101 valve
Image
here is the main style of the valve it is buit off a 4" Genvoa test T w/ a 2" barrel
I just dont know that to use for the diaphragm, any suggestions?
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Unread postAuthor: iamthewalrus » Thu May 26, 2005 8:24 pm

just cut out a dist from some rubber, u can buy sheets of it at hardware stores. or some ppl use rubber drain plugs
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i got connections with the modfia, watch who ur talkin to noob.


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Unread postAuthor: spudshot » Fri May 27, 2005 4:59 am

if you're using a test tee, i believe they're very thin or DWV, either way, its not very safe at all, only use parts labeled NSF-PW. also i dont like genova's fittings and pipe, they're very low quality compared to other brands, and the pipe wall thickness differs in places, making it possibly weak in some places
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