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Plumbers Tape and O Rings

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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Plumbers Tape and O Rings

Unread postAuthor: littlebro05 » Sun Jul 06, 2008 1:47 am

Hey again, alright I'm up to the part of attaching the blow gun onto my air tank for my vortex BBMG, but i got one problem... attaching the elbow to the blow gun isn't a easy task as i thought it would be...

What i was planning to do is to get a smaller tube thats small enough to fit the blow gun and elbow tube's hole and epoxy it to gether, but I don't have any O ring's that will perfectly fit both internal tubes, so yeah i was wondering if plumber's tape will help seal off any air leaks... this is the progress of my guns so far...

Image

you can see a tube connected to the blow gun... it's not glued in just to give you guys an idea what i was doing.. i've pumped it to 10psi and squeeze the blow gun trigger and yes it releases air finely, i charge it up to 15 and obviously the tube couldn't hold on and the tube blew off
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Unread postAuthor: frankrede » Sun Jul 06, 2008 2:24 am

get a new cap and install a pop in shrader valve.
Remove the core of the valve and install an elbow onto the shrader(which is 1/8" NPT threads)
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Unread postAuthor: littlebro05 » Sun Jul 06, 2008 2:28 am

frankrede wrote:get a new cap and install a pop in shrader valve.
Remove the core of the valve and install an elbow onto the shrader(which is 1/8" NPT threads)


I'll probably think about doing that after I make another duplicate of the gun, but I just wanted to know if plumber's tape can act like an O-Ring.

The gun I'm making now is only a prototype but I'm going to try to make it as flash as I can.

And wouldn't do that reduce the air flow from air tank to blowgun?
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Unread postAuthor: SpudMonster » Sun Jul 06, 2008 3:33 am

It will probably work if you make sure it is wrapped TIGHT. And I do mean tight.
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Unread postAuthor: frankrede » Sun Jul 06, 2008 3:42 am

littlebro05 wrote:
frankrede wrote:get a new cap and install a pop in shrader valve.
Remove the core of the valve and install an elbow onto the shrader(which is 1/8" NPT threads)


I'll probably think about doing that after I make another duplicate of the gun, but I just wanted to know if plumber's tape can act like an O-Ring.

The gun I'm making now is only a prototype but I'm going to try to make it as flash as I can.

And wouldn't do that reduce the air flow from air tank to blowgun?
Reduce flow...blowgun...blowgun chokes flow already
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Unread postAuthor: psycix » Sun Jul 06, 2008 6:31 am

If you are meaning PTFE (teflon) tape, this does not seal, it just lubricates.
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Unread postAuthor: littlebro05 » Sun Jul 06, 2008 7:01 am

psycix wrote:If you are meaning PTFE (teflon) tape, this does not seal, it just lubricates.


Err so what kind of tape should I use to seal my tube up because I got this far, and I kinda not want to change what i've got because I got a week left of holidays so I just want to keep it simple, sure making a vortex will be troublesome, but i just need somethign to connect up to my blow gun, and this is the idea i thought up on the spot with the materials I have on hand.

Anyway what kind of tape should I use then?
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Unread postAuthor: pizlo » Sun Jul 06, 2008 12:18 pm

Well the tape will defiantly NOT work. I don't know how you could make an Oring help you either. If you insist on using a Soda Bottle (you should make a proper tank) then you should really go with Frank said. Its the only way to get a good seal with you;re current configuration.
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Unread postAuthor: blind909 » Sun Jul 06, 2008 12:43 pm

The way you have it right now will leak. blowguns only seal correctly if the 1/4 inch side is connected to your air source. That is the way a blowguns poppet(?) valve is made.
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