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PostPosted: Wed Feb 13, 2019 8:34 pm 
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Joined: Sun Nov 06, 2011 2:16 pm
Posts: 1638
Location: 1/2 Way From Ottawa and Montreal,
So I was shopping online for a tank cylinder 4500 psi 13ci to 22 ci
I found a few with regulators and shop some more and found many with no regulator
so I Educated my self in quality of product and company I was interested in.

well I notice my by my self a discrepancy that could be costly to someone.

Advertise 4500 psi tank where in fact 3000 psi tanks and only the regulator was 4500 psi
so if your shopping for a tank or cylinder read very carefully.

I ended up buying a 450 milliliters tank almost 1/2 a liter, that should fit on my airgun if measurement given are good so it should fit tight but fit.

so the Brand I chose is a Bozo funny name. : get it?:

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PostPosted: Sat Feb 16, 2019 7:34 am 
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Joined: Fri Feb 15, 2019 5:03 am
Posts: 1
Funny name for a company. I like it. Cheers for the heads up, Frank! I had no idea about those details.


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PostPosted: Fri Feb 22, 2019 3:14 pm 
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Joined: Thu May 04, 2017 6:41 pm
Posts: 136
Location: Vancouver BC
Yes I saw that too. 3000psi bottles with 4500psi regs.
Turns out the 2" diameter aluminum tanks can actually go to a lot higher than 3000psi and while I dont recommend it (and you will never hear a retailer saying it's OK) many paintballers charge them beyond 3000. I hand pump mine to 3500. I have a 3.8k burst disc on the tank side of the reg. The burst pressure on a 2" tank is very high, like 15000psi.

It's like the Smart cars. You would think they would crush in an accident cuz they are so small but small is also rigid.
I also think I read here that the 2" dia. aluminum tanks never need hydro testing cuz they are so strong cuz of their small diameter.

Bottom line: don't overfill any pressurized container. Were protective eye glasses.

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PostPosted: Fri Feb 22, 2019 3:28 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
Posts: 5998
Location: P.G. B.C.
Smart Cars? or NOT!

Hope the drivers were wearing their safety glasses.
>
I was kinda wondering what the ambulance was going to do for the
person or people in the crushed smart car.

Smart car ran into the back of a dump truck
>
Smart car between 2 trucks.


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Last edited by Daryl on Fri Feb 22, 2019 4:05 pm, edited 2 times in total.
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PostPosted: Fri Feb 22, 2019 3:45 pm 
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Joined: Thu May 04, 2017 6:41 pm
Posts: 136
Location: Vancouver BC
There are limits... :roll:

OK how about this analogy...

Try standing on a small cardboard box like a ring box. It can take a lot of your weight.
Now try standing on a large cardboard box. Even if reinforced with packing tape your foot will probably push through as it collapses.
Small is rigid.

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PostPosted: Fri Feb 22, 2019 5:40 pm 
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Joined: Mon Feb 11, 2013 12:46 am
Posts: 4113
that's because you are adding pressure to the ends which are the strongest parts
In the same way the eggshell's curved shape distributes pressure all around the egg
https://www.youtube.com/watch?v=5_6KydWxyqE

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