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bolt action marble gun

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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bolt action marble gun

Unread postAuthor: rhys_pesantsrevolt » Thu Dec 13, 2007 2:21 am

ok so I am getting the parts for this gun in 4 days and the gun should be done on that day

my design basicaly i have a ball valve to fill the primary chamber from my 800 psi air tank. Then I have a second ball valve which I open to fill the secondary chamber the air goes through a regulator the reduce the pressure to 90 psi then because I have yet to come across a sprinkler valve I am using a spring loaded ball valve as my main valve the loading system is bolt action.

what do you think?????
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Unread postAuthor: MrCrowley » Thu Dec 13, 2007 3:29 am

Sprinkler valves are available in Aussie btw.

Just ask some of the other members, most get them from bunnings I think.
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Unread postAuthor: experament-u2 » Thu Dec 13, 2007 3:45 am

yep bunnings or comb through a dump shop i got loads of cheap valves there
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Unread postAuthor: The Kid » Thu Dec 13, 2007 4:38 am

yeah my bunnings sells like 5 diffent kinds of sprinkler valves blow guns as well :wink:
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Unread postAuthor: watto » Thu Dec 13, 2007 5:40 am

ball valves open real slow even with a spring, In bunnings the sprinkler valves are in the retic section in big wooden tubs usually, or try a sprinkler shop like 'total eden' or 'hugall and hoyle'
goodluck
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Unread postAuthor: rhys_pesantsrevolt » Thu Dec 13, 2007 3:11 pm

thanks now I just have to get a ride to the bunnings at thornleigh to get one

Actualy the sprinkler valve would make it easier to fire one handed which was my idea for this gunif I have a 15cm long and 12mm round secondary chamber at 90psi and then a 10mm barrel what sort of range do you think that will get?//
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Unread postAuthor: JDP12 » Thu Dec 13, 2007 6:45 pm

IF you want great performance, yea sprinklers good, QEV is better if you can do it. Mcmaster has them
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Unread postAuthor: The Kid » Thu Dec 13, 2007 8:10 pm

i don't think mcmaster ships to aus
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Unread postAuthor: MrCrowley » Thu Dec 13, 2007 8:22 pm

They don't.
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Unread postAuthor: The Kid » Thu Dec 13, 2007 8:26 pm

i know they don't that was just ment to have a bit of sarcasm in there.
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Unread postAuthor: MrCrowley » Thu Dec 13, 2007 9:25 pm

Haha okay, I was just supporting your post then :wink:
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Unread postAuthor: The Kid » Fri Dec 14, 2007 2:36 am

MrCrowley wrote:Haha okay, I was just supporting your post then :wink:


yeah i know, sarcasm just doesn't seem to translate very well into writing.
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Unread postAuthor: Lftndbt » Fri Dec 14, 2007 7:46 am

LoL!!
Come see me at Bunnings, and i'll give you a hand!! ;)



~Edit~ That is sooo weird....
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