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a sprinkler valve alternative

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a sprinkler valve alternative

Unread postAuthor: A-98 » Sun May 14, 2006 6:52 pm

i am building my first pnuematic potato gun and srinkler valves pose a large problem for me.
my first problem is that i dont have a 24v power source. any solutions?

my second problem is that they are expensive (kinda) and i want a cheaper alternative. any solutions?

and finaly the alternatives are all slower (ball valves especially) in opening. any fast alternatives?

i am making a over-under design so i cant easily put in a piston/diaphragm
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Unread postAuthor: SpudStuff » Sun May 14, 2006 7:43 pm

pnumatically modify the sprinkler valve.
the valves are $10-18 ar any home depot. get a 1 inch orbit watermaster
youre not gonna get the same resolt as a sprinkler valve for cheaper.
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Unread postAuthor: Atlantis » Sun May 14, 2006 8:18 pm

Um...If you need 24 volts just wire three 9-volts to it, that's what everyone else does, just wire batteries so their voltage equals 24 or a little higher.
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Unread postAuthor: A-98 » Sun May 14, 2006 9:34 pm

hmm...yes the 9volts will work but i have read of them depleating quickly...i this true?
also i said that i wanted a cheaper alternative to the sprinkler valve...(if all else fails i can easily get one but i would rather not spend 17 bucks...or my dad wouldnt :roll: :D )

thanks any way though i might just have to go with the sprinkler valve

also is this the right kind to mod?Image
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Unread postAuthor: SpudStuff » Sun May 14, 2006 9:47 pm

no get this kind
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Unread postAuthor: HAYLO_Stealer » Sun May 14, 2006 10:28 pm

well if you cant spend money you shouldnt spud gun
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Unread postAuthor: Andrew52 » Sun May 14, 2006 10:37 pm

ok how muh do spend on spudding its al about being cheap (kinda) we build our own guns for gods sake i mean sometimes people dont want to put there whole life and money into spudguns. I mean some people on spudtech actually have lives
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Unread postAuthor: A-98 » Mon May 15, 2006 7:07 pm

but what if my hardware store doesnt have that type

and i can easily find the money for it but i want to go with somthing simpler for my FIRST cannon
im probably gonna go with the sprinkler
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Unread postAuthor: Jakal444 » Mon May 15, 2006 7:18 pm

Definately look into a piston valve. Before, I did not think I could make an efficient one but now have a model, and the real one is on the way.

Basically, its easier to make than one would think.
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Unread postAuthor: Darkside 6ix » Mon May 15, 2006 7:41 pm

i duno if any u guys watch mythbusters but like last night they had a giant pnuematic chicken cannon. they used a huge butterfly valve with an extention so it is easier to pull. may i suggest that

heres a howto on modding a water masterhttp://www.spudfiles.com/forums/viewtopic.php?t=305&

also here is a video on that same thinghttp://www.bcvids.com//dload.php?action=file&file_id=3
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