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marbles look! need help quick

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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marbles look! need help quick

Unread postAuthor: spudthug » Sat Mar 10, 2007 8:51 am

what is the best size sch 40 to fit a standard size marble??1/2 or 3/4?? i am going to put my barrel on my pneumatic im making and idk what size barrel for marbles i have to use....post ur thoughts/facts
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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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Unread postAuthor: LGM » Sat Mar 10, 2007 9:22 am

Marbles vary in size, just make the barrels interchangeable so you can have a wider range of things to shoot.
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Unread postAuthor: boilingleadbath » Sat Mar 10, 2007 9:48 am

...you either:
1) search
2) measure a marble and look up the pipe IDs
3) Take the freeking marble to the store with you

Goddamn, I'm getting tired of this question.
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Unread postAuthor: Legendpilot » Sat Mar 10, 2007 9:56 am

Using dollar store marbles, I use a 3/4" cpvc barrel. I'm not sure of the size of the marbles but they're the regular looking small cats eye. There is a little blow-by but it's not considerable. I put a few layers of duct tape in the breech end of the barrel before screwing it in, it grabs and holds the muzzle loaded marble so it wont roll out. They shoot out hard and mostly straight and only cost a penny a piece! -Lp
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Unread postAuthor: pyromaniac » Sat Mar 10, 2007 10:02 am

i use 1/2 inch for my marbles.
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Unread postAuthor: spudthug » Sat Mar 10, 2007 12:17 pm

hey boil dont u think i would have done that if i had the barrel or the marbles already??i dont even no where to get marbles until now so there u go......
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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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