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barrel size question

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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barrel size question

Unread postAuthor: BIG FISH » Wed Feb 28, 2007 7:04 pm

What would be the best barrel size to shoot:
1. a marble?

2. a paintball?

3. a golf ball?

thanks.
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Unread postAuthor: Scope » Wed Feb 28, 2007 7:09 pm

1. search its been stated 10000 times.
i forgot a marble but
A paintball is .68 or .69 callibe which is about 7/10 of an inch.


for golf balls use 1.5" sdr-21

you can get them from most spud gunner sights... ill let the first mod who has a site to post there site hah
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Unread postAuthor: A-98 » Wed Feb 28, 2007 8:02 pm

well, golf ball is 1.5" sdr 21, get it from BCarms.com, pimpmann22, or Sgort87.

paintball is 3/4 sch80, or harder to find, 1/2 sdr 120

and a marble, i have no idea
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Re: barrel size question

Unread postAuthor: MrCrowley » Wed Feb 28, 2007 9:41 pm

BIG FISH wrote:What would be the best barrel size to shoot:
1. a marble?

2. a paintball?

3. a golf ball?

thanks.


1. Depends,Usaully around 15 or 20mm

2. 3/4" sch 40 or 1/2" SDR 13.5 or if your metric 15mm Pressure PVC Pipe.

3.1 1/2" SDR 21 or if your metric 40mm Pressure PVC Pipe.
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Unread postAuthor: A-98 » Wed Feb 28, 2007 9:50 pm

http://www.spudfiles.com/spud_wiki/inde ... =Paintball

the above is a link to a page on the WIKI about paintballs and barrel sizes.

my bad, its 3/4 sch80 and 3/4 SCH 120
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Unread postAuthor: mark.f » Thu Mar 01, 2007 6:49 am

<B>1.)</B> 1/2" type M copper tubing, (marble size varies so some don't fit this).
<B>2.)</B> 3/4" hydraulic tubing, class 190, (rated to 190 PSI).... 0.68" ID
<B>3.)</B> 1-1/2" SDR-21 PVC pipe, (class 200 pipe)
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Unread postAuthor: frankrede » Thu Mar 01, 2007 7:04 pm

A-98 wrote:well, golf ball is 1.5" sdr 21, get it from BCarms.com, pimpmann22, or Sgort87.

paintball is 3/4 sch80, or harder to find, 1/2 sdr 120

and a marble, i have no idea


not sdr 120 dummy.Its either sdr 21 or 26.
or 3/4 sch 120
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