Then don't buy a PCP because you won't find one with a bottle that does not have "comie" parts.
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Carbin fiber bottles
- Thread starter Jamorello
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Then don't buy a PCP because you won't find one with a bottle that does not have "comie" parts.
I've turned away from carbon fiber bottles because what they don't tell you is that they only last 10 years then you are supposed to throw the away, plus, they don't bend or fracture like metal tanks, they explode!
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Think you got that backwards. Scuba (metal) blows up not scba. Thinking CF tanks (if certified) are 15 years.
John
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obviously carbon bottles explode, thats the reason why every fire service in the world condemn there use and you definitely don’t want to use them in a hot environment or where they can get bumped as the slightest scratch causes catastrophic failure 
Bb
Bb
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New CF tanks have a 30 year certifiable life with nondestructive ultrasound testing.
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The Chinese manufacturers who extrude aluminum tubing still use the same machinery to extrude copper tubing even though they know copper galvanically corrodes aluminum in the presence of water.
I know this because Foxconn had us produce the heat pipes for 6 Chinese satellites because their own sources produced aluminum heat pipes and wicks contaminated with very, very, fine copper particals and then charged the heat pipes with anhydrous ammonia that was only about 80% pure at best.
Not good when used on a satellite orbiting between the Van Allen belts.
I know this because Foxconn had us produce the heat pipes for 6 Chinese satellites because their own sources produced aluminum heat pipes and wicks contaminated with very, very, fine copper particals and then charged the heat pipes with anhydrous ammonia that was only about 80% pure at best.
Not good when used on a satellite orbiting between the Van Allen belts.
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I remember Myth busters wanting to make a Salami rocket, the LOX on its own propelled it some ways CUZ they did not get salami ignition.
I also have a hard time seeing a bottle develop a catastrophic failure that would lead to a explosion like scenario, then again it is not for fun you can get blast proof tank holders to have the tank inside while you fill it.
The catastrophic failures i have seen have all been related to filling way past the limit, but then they do also go KABLAMO
There is a dive shop, not near me, but it have a bottle fill " ATM" like machine so you can fill night and day, i assume its something like this in some US park.
It is there cuz fixing stupid made by people that should be smart, well very hard, and when engineers fail just a little,,,, OMG
I also have a hard time seeing a bottle develop a catastrophic failure that would lead to a explosion like scenario, then again it is not for fun you can get blast proof tank holders to have the tank inside while you fill it.
The catastrophic failures i have seen have all been related to filling way past the limit, but then they do also go KABLAMO
There is a dive shop, not near me, but it have a bottle fill " ATM" like machine so you can fill night and day, i assume its something like this in some US park.
That galvanic corrosion is almost step #1 in the surface treatment course here in Denmark, and i have also seen on ships this go absolutely wrong with a too " noble " metal used on a lesser one,,,,,, no good at all, though someone probably though this at some point.
It is there cuz fixing stupid made by people that should be smart, well very hard, and when engineers fail just a little,,,, OMG
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