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All About Guns What's your weapon of choice, and why? Discuss the beloved speargun here! |
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11-07-2024, 03:43 PM | #1 |
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Join Date: Jun 2015
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Speargun carbon problem
Got a new carbon roller speargun.Use it twice and after first time using it I noticed a small chip underneath the gun.patch it with epoxy,and second time use it,there is another chip on the carbon.Is there any other carbon gun has the same problem ?I don’t think it is normal like this.
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11-08-2024, 03:19 AM | #2 |
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Re: Speargun carbon problem
may be epoxy coat on CF have an adhesion problem
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11-08-2024, 08:12 AM | #3 |
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Re: Speargun carbon problem
Not hitting against something in transport? The weight of a carbon gun sitting on a small projection like a protruding nail head creates a high contact pressure.
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11-08-2024, 10:24 AM | #4 |
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Re: Speargun carbon problem
Notice this first time of use.Thought hitting something.Watch out the second time when using..Then found out second chip. I’*m very sure that it didn’t hit anything.Wrote to the manufacturer,no reply.
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11-08-2024, 06:51 PM | #5 |
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Location: Georgia
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Re: Speargun carbon problem
Is that an Orca? If so I've had the same thing with mine. The coating seems to chip quite easily, haven't had that happen on other carbon guns. Just a few boat rides and it has some pretty good chips. Maybe there is an adhesion problem. The coat also appears quite thick on mine, wonder it that makes it more prone to coming off in chunks. It should however not affect that gun as it doesn't damage the carbon fibers. But yeah its a bit disappointing.
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11-08-2024, 08:34 PM | #6 | |
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Re: Speargun carbon problem
Quote:
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11-13-2024, 01:01 AM | #7 |
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Re: Speargun carbon problem
Most likely they used a spray gun thinned with acetone to put on layers. It is very tricky to add layers of epoxy and has to be timed perfectly between coats. It has to be just tacky before applying the next coat ... if you wait a little too long then surface will not adhere properly unless you sand it.
It is an easy fix though. Just use tape around the damaged area with the area open, then scratch and sand the exposed area making sure it is free of debris or oils. Then add a layer of UV stabilized epoxy that is just a little above the surface. Once cured you can sand down the epoxy flat and you won't even notice it was fixed. I would certainly not consider what is in the picture as purely "aesthetic" as it is quite deep and can eventually allow infiltration of water into the CF ... which will make the job dramatically more difficult to fix. |
11-13-2024, 10:24 AM | #8 | |
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Re: Speargun carbon problem
Quote:
Thanks for the information.I just fill up the chip area with epoxy.But it just dissapointed and troublesome to patch up a hole every time went fishing. Went fishing twice and each time a hole.Don’t know if have any method to avoid this?like spray a coat of protection use on surf boards or …..? |
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11-19-2024, 11:09 PM | #9 | |
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Re: Speargun carbon problem
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Using a solvent to thin your epoxy is a much easier and quicker method, but it will drastically affect the compressive strength of the epoxy, so we do not recommend this method. However, if you still go ahead with this, here are some of the solvents we suggest you use. Last edited by spearq8; 11-19-2024 at 11:17 PM. |
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11-24-2024, 05:55 PM | #10 |
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Re: Speargun carbon problem
Thanks a lot for the information.
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