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Breech loader help

A place to ask general spud cannon related questions.
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Breech loader help

Unread postAuthor: idespisecats » Tue Nov 28, 2006 3:17 pm

I've been looking around for awhile now and I need some help deciding on a design for a breech loader for my cannon. I use it to shoot t-shirts out of a 3" barrel. I've seen alot of good designs that I could do for smaller barrels but there aren't very many of this size. I built the cannon with way more power than I needed, so a small leak in the breech shouldn't be a problem. I don't have access to a lathe and the shirts are about 5 inches long rolled up(which is longer than a standard 3" coupling.) What would you guys suggest I do?
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Last edited by idespisecats on Tue Nov 28, 2006 3:18 pm, edited 1 time in total.

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Unread postAuthor: PVC Arsenal 17 » Tue Nov 28, 2006 3:18 pm

Is this an over/under configuration?

If so I concocted a pretty simple but effective design.
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Unread postAuthor: idespisecats » Tue Nov 28, 2006 3:19 pm

yes it's over under, with a 27" long 4" reservoir. The barrell is 30" long 3".
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Unread postAuthor: Bluetooth » Tue Nov 28, 2006 3:56 pm

Thats huge for T shirts.
EDIT: Theres a good breech design on PVC Balistics. http://members.aol.com/sph911/spud/index.html
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Unread postAuthor: sgort87 » Tue Nov 28, 2006 4:05 pm

No it isn't...

And for breech loading, use the fact that 3" couplers slide in side 4" pipe to your advantage. Make a sliding cover out of 4" pipe and 3" couplers. You will either need to remove the stopper in the middle of the couplers or just cut rings out of one coupler's edges.
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Unread postAuthor: idespisecats » Tue Nov 28, 2006 5:58 pm

the PVC ballistics breech loader is for a 1" barrel, I've looked at it before. I'll have to give that other suggestion a try though. That's 4" sch40 right?
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