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Cam Locks: Do they support barrel weight?

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Cam Locks: Do they support barrel weight?

Unread postAuthor: barraphernalia » Mon Aug 24, 2009 10:17 pm

First post, sorry if this has been covered, I've looked for it.

I'm planning what amounts to a pretty "standard" advanced propane combustion and I sure like the idea of a breech loading barrel attached with a cam lock.

Having never seen one in person, will a cam lock completely and firmly support a 5' foot 1.5" barrel, or will it eventually wear out, become loose and allow the barrel to sag under it's own weight?

Also, is there any particular brand or rating I need to look for when picking up a cam lock?

Thanks.
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Unread postAuthor: jmadden91 » Mon Aug 24, 2009 10:23 pm

Are you making an over/under or linear design? If its over/under, you can make barrel supports used on many cannon's here for example Moonboggs's Cobra Venom. That being said, starman's linear Triple Thunder models seem to have no worries supporting the weight.
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Unread postAuthor: Moonbogg » Tue Aug 25, 2009 12:11 am

I've heard they are pretty supportive on their own...but I myself wouldn't like it simply based on principle. You can rig up a simple barrel support that just lets the barrel lay on it without clamps if nothing else.
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Unread postAuthor: starman » Tue Aug 25, 2009 2:11 am

A plastic or metal cam lock will support a 5' sleeved barrel fairly easily. The only thing that can "wear out" is the rubber seal in the female receiver and those can easily be replaced.
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Unread postAuthor: barraphernalia » Tue Aug 25, 2009 12:17 pm

Thanks guys. I'm leaning towards to a linear setup. I'm shooting for a level of craftsmanship like Starman's.
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Unread postAuthor: SpudBlaster15 » Tue Aug 25, 2009 5:08 pm

starman wrote:A plastic or metal cam lock will support a 5' sleeved barrel fairly easily. The only thing that can "wear out" is the rubber seal in the female receiver and those can easily be replaced.


Yep, a 5ft barrel on a linear combustion is no problem for cam locks.
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Unread postAuthor: jimmy101 » Tue Aug 25, 2009 5:17 pm

Take a look at what the cam locks were designed for.

A 1.5" fitting is designed to support a fair length of 1.5" hose (or pipe) filled with liquid in a rough environment and under pressure. I can't imagine there being any problem with supporting a fairly long piece of empty pipe.
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Unread postAuthor: King_TaTer » Tue Aug 25, 2009 5:32 pm

Well, I would show you how I made barrel supports for my over/under advanced combustion but I'm planning on presenting it in a few weeks or so.

In your scenario, I somewhat agree with the others. It will support it, but there's the definite possibility it will sag and move around when moving and firing it, to a degree. It may also depend on the quality of the female adapter and how well it grips. The durability and thickness of the gasket may play a role as well.

You can always try it out and if you have problems there are ways to fix them. If you do have a problem just post a picture and give a good explanation and we'd be glad to help.

Good luck.
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