New to cf bottles, does this look like structural damage, or just a cosmetic chip on the lower tip?
Possible cf bottle damage?
- Thread starter sticman77
- Start date
I'm not so sure about that.
It's hard to see the depth of that chip.
No bottle should have a chip in it.
If you notice that a CF bottle isn't just CF.
A thinner wall of Aluminum is the base.
A carbon fiber vacuum wrapped outer shell with a epoxy resin is applied. This is also a better option than sleeving a barrel that has a 0.001" gap, a epoxy, Locktite, etc.
The CF resin will extrude itself like play doh around 17-18Kpsi. They should never explode like a Grenade is engineered to do by using cold tempered steel. Though temperatures, fast fills, don't qoute me on that statement.
The gel outer coat is for prevention of splinters, looking nice, and protective surface to prevent any freeze/thaw cyclic break down.
I would ask for a depth gauge measurement of the chip. I'd also be curious as to where that bottle came from & who let that past quality control.
I'm not so sure it would pass a visible inspection. I'm no certified technician so again, just my thoughts.
Filling it to SWP of 3K shouldn't ever be a problem.
All 15 year DOT SCBA cylinders are good for 30 years in Europe. No DOT restriction. DOT is safety minded in the transportation of the SCBA's. They don't have anything to do with cylinders actual lifetime.
When the manufacturers figure everything out it's much more in depth than it's just no good at 15 years.
The Metallurgic testing takes cyclic rate of empty to full SWP.
Our bottles are usually just topped off therefore much less stress.
Honestly the bottle is most likely fine but; I'd be sending it back if that's a BNIB bottle on any gun from a Dealer. I'd be unhappy if it was sold used but described as new.
Bottom line is you can never be too safe. If it worries you, send it back. You're probably not going to enjoy shooting if you're thinking something bad could happen.
It's hard to see the depth of that chip.
No bottle should have a chip in it.
If you notice that a CF bottle isn't just CF.
A thinner wall of Aluminum is the base.
A carbon fiber vacuum wrapped outer shell with a epoxy resin is applied. This is also a better option than sleeving a barrel that has a 0.001" gap, a epoxy, Locktite, etc.
The CF resin will extrude itself like play doh around 17-18Kpsi. They should never explode like a Grenade is engineered to do by using cold tempered steel. Though temperatures, fast fills, don't qoute me on that statement.
The gel outer coat is for prevention of splinters, looking nice, and protective surface to prevent any freeze/thaw cyclic break down.
I would ask for a depth gauge measurement of the chip. I'd also be curious as to where that bottle came from & who let that past quality control.
I'm not so sure it would pass a visible inspection. I'm no certified technician so again, just my thoughts.
Filling it to SWP of 3K shouldn't ever be a problem.
All 15 year DOT SCBA cylinders are good for 30 years in Europe. No DOT restriction. DOT is safety minded in the transportation of the SCBA's. They don't have anything to do with cylinders actual lifetime.
When the manufacturers figure everything out it's much more in depth than it's just no good at 15 years.
The Metallurgic testing takes cyclic rate of empty to full SWP.
Our bottles are usually just topped off therefore much less stress.
Honestly the bottle is most likely fine but; I'd be sending it back if that's a BNIB bottle on any gun from a Dealer. I'd be unhappy if it was sold used but described as new.
Bottom line is you can never be too safe. If it worries you, send it back. You're probably not going to enjoy shooting if you're thinking something bad could happen.
Upvote 0
I'm not so sure about that.
It's hard to see the depth of that chip.
No bottle should have a chip in it.
If you notice that a CF bottle isn't just CF.
A thinner wall of Aluminum is the base.
A carbon fiber vacuum wrapped outer shell with a epoxy resin is applied. This is also a better option than sleeving a barrel that has a 0.001" gap, a epoxy, Locktite, etc.
The CF resin will extrude itself like play doh around 17-18Kpsi. They should never explode like a Grenade is engineered to do by using cold tempered steel. Though temperatures, fast fills, don't qoute me on that statement.
The gel outer coat is for prevention of splinters, looking nice, and protective surface to prevent any freeze/thaw cyclic break down.
I would ask for a depth gauge measurement of the chip. I'd also be curious as to where that bottle came from & who let that past quality control.
I'm not so sure it would pass a visible inspection. I'm no certified technician so again, just my thoughts.
Filling it to SWP of 3K shouldn't ever be a problem.
All 15 year DOT SCBA cylinders are good for 30 years in Europe. No DOT restriction. DOT is safety minded in the transportation of the SCBA's. They don't have anything to do with cylinders actual lifetime.
When the manufacturers figure everything out it's much more in depth than it's just no good at 15 years.
The Metallurgic testing takes cyclic rate of empty to full SWP.
Our bottles are usually just topped off therefore much less stress.
Honestly the bottle is most likely fine but; I'd be sending it back if that's a BNIB bottle on any gun from a Dealer. I'd be unhappy if it was sold used but described as new.
Bottom line is you can never be too safe. If it worries you, send it back. You're probably not going to enjoy shooting if you're thinking something bad could happen.
thank you for the detailed break down. it was a used gun, but it has been in my possession for a few weeks. seemed like an honest person, so very well could have been my doing.
i wouldn't have anything capable of measuring the depth of that chip, it seems paper thin almost. after more research and googling, i think I am going to cover it up to prevent impact, but am comfortable with it.
thanks again for the long write up
Upvote 0
