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Carbon Fiber Barrels

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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Carbon Fiber Barrels

Unread postAuthor: Goats spudz » Tue Dec 06, 2011 6:35 pm

i recently ordered a Carbon fiber barrel and was wondering about max psi and how accurate it would be, 8mm od x 6mm id
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Unread postAuthor: Gun Freak » Tue Dec 06, 2011 6:39 pm

Pressure won't really matter for the barrel unless its a coax or subject to really high pressure. You can sleeve it for extra rigidity and strength. What pressure did you have in mind? After all, it is carbon fibre.
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Unread postAuthor: Goats spudz » Tue Dec 06, 2011 6:43 pm

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Unread postAuthor: Gun Freak » Tue Dec 06, 2011 6:50 pm

Nice. You should be ok using that as a barrel.
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Unread postAuthor: Goats spudz » Tue Dec 06, 2011 6:54 pm

Gun Freak wrote:Nice. You should be ok using that as a barrel.

i might consider some sort of sleeving (i had a 2 hour conversation with some guy in chat he wanted me to buy SS tubing even though i told him 8 times that i have Carbon fiber, and that carbon fibre is cool)
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Unread postAuthor: Gun Freak » Tue Dec 06, 2011 6:58 pm

I would sleeve it so it doesn't get damaged or bent and a sleeve will keep it straight too.
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Unread postAuthor: Insomniac » Tue Dec 06, 2011 7:07 pm

Sleeving with something would only improve the strength of it, and make it a bit safer should a crack develop in the carbon fiber. However, it won't be necessary to sleeve it to prevent 'bending'. You bend carbon fiber, and it bends back. Bend it too far and (if it's a thin rod) it gives, suddenly becoming very weak at the bend as the fibers seperate. If it's a tube, it'll just snap. I've never had a carbon fiber tube bend without breaking, before.
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Unread postAuthor: daniel0663 » Tue Dec 06, 2011 7:08 pm

wondering about max psi and how accurate it would be, 8mm od x 6mm id


What do you mean by saying, "How accurate" it will be.
Depends on many factors. The statement is abit vague.

Let's just hope the carbon fibre tube will be straight :)

How are you planning to attach the carbon fibre tube to your pnuematic cannon?

Considering you are gonna be using the pnuematic at 400-600psi.......
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Unread postAuthor: inonickname » Tue Dec 06, 2011 7:26 pm

If that barrel explodes, you will regret it.

Damaged or abused carbon fiber is vulnerable to failing rapidly and very dangerously.

Warning: gore

http://media.photobucket.com/image/carb ... 0000zu.jpg
http://www.texasarchery.org/images/brok ... -21-04.jpg

And these were carbon tubes made specifically for this role and made to MUCH higher standards than that crappy tube is. All it takes is a little crack, and those splinters will be in your face.
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Unread postAuthor: POLAND_SPUD » Tue Dec 06, 2011 7:33 pm

i had a 2 hour conversation with some guy in chat
that was me and it wasn't 2 hour... more like 30 minutes :-D

ohh and as I said earlier just buy a proper steel barrel... they aren't very expensive
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Unread postAuthor: Goats spudz » Tue Dec 06, 2011 7:43 pm

POLAND_SPUD wrote:
i had a 2 hour conversation with some guy in chat
that was me and it wasn't 2 hour... more like 30 minutes :-D

ohh and as I said earlier just buy a proper steel barrel... they aren't very expensive
:banghead:

daniel0663 wrote:
wondering about max psi and how accurate it would be, 8mm od x 6mm id


What do you mean by saying, "How accurate" it will be.
Will an air rifle fly straight compared to brass and copper.


Also i will sleeve it in Tough Nylon.
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Unread postAuthor: POLAND_SPUD » Tue Dec 06, 2011 7:56 pm

ohh and as I said earlier just buy a proper steel barrel... they aren't very expensive
lol just because you can't get something for free doesn't mean it isn't a better choice...
steel is better: cheaper, stronger and lighter (definately lighter than cf + sleeving)
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Unread postAuthor: Gun Freak » Tue Dec 06, 2011 7:59 pm

Where you gonna find seamless 6mm ID steel tube?
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Unread postAuthor: Goats spudz » Tue Dec 06, 2011 8:14 pm

Gun Freak wrote:Where you gonna find seamless 6mm ID steel tube?
Exactly! now poland go away :D

i weighed the nylon and some carbon fiber i had (alot more than that tube)
and it only weighs 423 grams which is very light


And i like the look of thick black nylon looks like an integral suppressor.
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thats what it looks like but longer
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Unread postAuthor: Zeus » Tue Dec 06, 2011 8:24 pm

Goats spudz wrote:
Gun Freak wrote:Where you gonna find seamless 6mm ID steel tube?
Exactly! now poland go away :D


Here.

Now, don't you be mean to my Poland, he's nice.
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