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propane to air

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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propane to air

Unread postAuthor: kydavies » Mon May 03, 2010 12:14 am

is it possible to refill a propane tank from one of those camping stoves with compressed air and use it as an air tank on a BBMG?
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
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Unread postAuthor: jackssmirkingrevenge » Mon May 03, 2010 12:20 am

From what I gather they are usually rated to 250 psi or so, at normal (100 psi) compressor pressures it should be perfectly safe, if a little malodourous :roll:
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Unread postAuthor: kydavies » Mon May 03, 2010 12:28 am

ya but can yu refill them with air?
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Unread postAuthor: jackssmirkingrevenge » Mon May 03, 2010 12:30 am

kydavies wrote:ya but can yu refill them with air?


If you have a compressor/pump and the right connections, why not? What I would definitely do is flush it out first to make sure there are no lingering propane fumes, otherwise you might just create a hybrid mix....
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Unread postAuthor: kydavies » Mon May 03, 2010 12:33 am

good caue i need to start minimizing my launcher building operation because im moving june 27
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Unread postAuthor: metalmeltr » Mon May 03, 2010 5:26 am

If you drill out the top and tap it to 1/4"npt you can thread a pipe fitting in and pressurizie it with standard compresser fittings. There is a tread about this in the how to section.
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Unread postAuthor: psycix » Mon May 03, 2010 12:32 pm

However, if there is propane vapor inside, and you add some air, you've got yourself a closed chamber hybrid.

"Kaboom."
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Unread postAuthor: Mr.Sandman » Mon May 03, 2010 12:36 pm

psycix wrote:However, if there is propane vapor inside, and you add some air, you've got yourself a closed chamber hybrid.

"Kaboom."

"Where is the kaboom? There was supposed to be an earth shattering kaboom"! :D
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Yeah, it's that important.
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Unread postAuthor: jhalek90 » Tue May 04, 2010 5:11 pm

Actually... most hardware stores sell a fitting that goes from the propane bottle to male 1/4'' NPT fittings.

At least, all the ACE hardware stores ive been to have them, for around 10 bucks.
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jackssmirkingrevenge wrote:I wonder... if you put flammable vapours inside a lady... could you get her to diesel?

POLAND_SPUD wrote:Anything is possible with the proper 3-way valve.
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Unread postAuthor: clemsonguy1125 » Tue May 04, 2010 5:21 pm

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That is all.
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Unread postAuthor: kydavies » Tue May 04, 2010 6:06 pm

if you can go from the tank to a NPT fittings (NPT is a flexable hose?) you could put in a T before the hose and put your valve off of that to avoid drilling into the tank. or if you can fill the tank using the tanks existing valve if possible.
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mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Unread postAuthor: clemsonguy1125 » Tue May 04, 2010 6:57 pm

That would work, it wont weaken the bottle, but just a warning, the propane bottles have terrible flow
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Modified

Unread postAuthor: Technician1002 » Tue May 04, 2010 7:58 pm

clemsonguy1125 wrote:The propane bottles have terrible flow


Unless heavily modified.. :D
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Unread postAuthor: kydavies » Tue May 04, 2010 8:59 pm

you could drill out the center valve and leave the threaded top pat intact and work from there or you could use it to fill the tank on my gun so flow rate wont matter
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Last edited by kydavies on Tue May 04, 2010 9:04 pm, edited 1 time in total.
mikemurph wrote:yea, the ammo has been changed to a more aero dynamic projectile. it consists of the back half of a dart, and a hot glue ball
AHahahahah!!
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Unread postAuthor: Gun Freak » Tue May 04, 2010 9:01 pm

well it could still matter if you wanted a higher rof, but not majorly
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