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Preassurerated tanks!

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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Preassurerated tanks!

Unread postAuthor: AircannonSweden » Tue May 08, 2012 5:38 am

In this thread you can write about preassurerated tanks like PVC-pipe,oxygen-tanks,compressortanks.Almost all tanks that you can put air in!

Okey,my tanks that i used for my cannons is from my dad that work as a firefighter and he get two steel-tanks for me that are rated to 17400 PSI(1200 bar)
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Unread postAuthor: dahakka » Tue May 08, 2012 6:08 am

good idea ,i think
i have fire extinguisher ,it's gauge max 35-40bar,but label wrote water pressure test in 21 bar
Do you think it s safe with 20 ,maybe 25 bar?
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Unread postAuthor: sagthegreat » Tue May 08, 2012 6:59 am

What about those copper ones with one end sealed.off. That they sell at the hardware store
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Unread postAuthor: CooperJS » Tue May 08, 2012 7:42 am

you can use some galvanized fittings and pipe, they work great, and are pretty safe to take it past 500psi easily.

you can also use soda stream bottles if your really want to, i think you can take them up to around 800psi or something like that?

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Unread postAuthor: wyz2285 » Tue May 08, 2012 10:44 am

soda stream bottles are used at 200 bar... At least here in europe.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: al-xg » Tue May 08, 2012 11:01 am

soda stream bottles are used at 200 bar... At least here in europe.


I think a distinction should be made between the plastic soda stream bottle and the refill cartridge, otherwise consequences of a misunderstanding could be interesting :D
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Unread postAuthor: wyz2285 » Tue May 08, 2012 11:30 am

I meant the metal ones with a co2 pin valve on it :wink:
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: sagthegreat » Tue May 08, 2012 3:50 pm

I used to be a spudder like you. But I took a soda stream to the knee. :P
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Unread postAuthor: Goats spudz » Tue May 08, 2012 4:21 pm

wyz2285 wrote:I meant the metal ones with a co2 pin valve on it :wink:
No there used at 800 psi like most co2 applications, i have personally put 100 Bar into one of them (1500psi) , i think there safe to about 2000 psi :)
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Unread postAuthor: wyz2285 » Tue May 08, 2012 4:36 pm

The soda stream co2 bottle that are sold here has 200bar printed on it, rather safe pressure rating or charged co2 pressure :wink: probably pressure rating as co2 liquidates at around 1000psi.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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