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2 1/2" barrel ammo

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2 1/2" barrel ammo

Unread postAuthor: Moonbogg » Fri Sep 23, 2011 12:01 am

I am leaning toward an aluminum tube with an exact 2 1/2" ID. I want to shoot tennis balls, and last time I checked 2 1/2" SCH40, it was a REALLY tight fit. I think 2 1/2" ID might be perfect for a tennis ball. What other ammo choices are you guys aware of for 2 1/2"? What size is needed for soda cans and little soup cans and stuff like that?
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Unread postAuthor: mark.f » Fri Sep 23, 2011 10:38 am

Soda cans might be a tad too large for 2.5" ID. I don't have one around to measure at the moment, but a little googling turns up 2.6" as the OD.
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Unread postAuthor: jsefcik » Fri Sep 23, 2011 11:59 am

Regular soda cans from the machine work well but it's alot of force against a piston I was going to but don't wanna destroy my piston

What are you using to shoot them anyways?
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Unread postAuthor: Moonbogg » Fri Sep 23, 2011 2:24 pm

Will be 4x piston hybrid.
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Unread postAuthor: mattyzip77 » Fri Sep 23, 2011 3:10 pm

The inner diameter of most pvc 2 1/2 inch schedule 40 is 2.445 inches. I dont think a soda can will fit if the o.d. of one is 2.6! How about a pool/billiard ball? I bet one of them would leave a mark!!! :D :D
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Unread postAuthor: jsefcik » Fri Sep 23, 2011 3:27 pm

mattyzip77 wrote:The inner diameter of most pvc 2 1/2 inch schedule 40 is 2.445 inches. I dont think a soda can will fit if the o.d. of one is 2.6! How about a pool/billiard ball? I bet one of them would leave a mark!!! :D :D


Pool ball holy hell!!! Lol
That wOuld be crazy
What about smaller sOda bottles
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Unread postAuthor: Gun Freak » Fri Sep 23, 2011 5:04 pm

How about shot putt balls :D
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Unread postAuthor: Moonbogg » Fri Sep 23, 2011 5:32 pm

I have considered billiards balls. They are 2 1/4" dia and 2 1/4" ID tube is available. It would have to be honed to fit probably and thats a pain in the ass.
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Unread postAuthor: mattyzip77 » Fri Sep 23, 2011 5:37 pm

Hmmmmm, how about ice slugs??? Or filling the tennis balls with sand or pennies or somthin like that? Hydraulic cement poured into 2 1/2 molds maybe??
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Unread postAuthor: Crna Legija » Fri Sep 23, 2011 8:38 pm

custom machined sabot rounds.
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Unread postAuthor: biged » Sun Oct 02, 2011 8:23 am

2-3/4" (2.75) tail pipe has an ID of 2-5/8ths (2.625)

Old tennis balls will roll in with ease, new ones (fuzzier) will have to be gently pushed. Soda/beer cans are an absolute perfect fit. I fill up empty soda/beer cans with water or concrete. Can get them to go 1/4 to half mile depending on weight. (Private land, open field, no aircraft in the area)

2.75 pipe costs about $20 for ten feet, and is available at every auto parts store in america.

I have built several cannons/mortars/bazookas using it.

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