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QEV Help

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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QEV Help

Unread postAuthor: ansen6606 » Fri Jul 08, 2011 3:03 pm

hi everyone i want to konw the diffrenece between a QEV with spring and one using th air system and how i can make or buy th QEV using air
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Unread postAuthor: Mimikool » Fri Jul 08, 2011 3:12 pm

All QEV using air, some one have spring because the air "admition" is in front of the piston, the air want to recoil it bbut the spring holds it.

Without spring, the air come from behind the psiton and push naturaly it against the internal barrel, so we don't need spring.

For buildind, you can search ;)
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Re: QEV Help

Unread postAuthor: jackssmirkingrevenge » Fri Jul 08, 2011 7:55 pm

ansen6606 wrote:buy the QEV using air


You'll probably have better luck with cash ;)
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Unread postAuthor: FighterAce » Fri Jul 08, 2011 8:23 pm

Take a look at join dates of this and this author. Coincidence? :wink:
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Unread postAuthor: warhead052 » Fri Jul 08, 2011 9:33 pm

FighterAce wrote:Take a look at join dates of this and this author. Coincidence? :wink:


Probably the same, but at least he wants to learn, even if that means making us research for him...
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Unread postAuthor: ansen6606 » Sat Jul 09, 2011 5:32 am

Thx guys for ur help .where can i buy the qev online?
Yes im new but thats why ask for ur help because u know better than me so that everything is secure and limit all possible danger
Thnxx
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Unread postAuthor: jackssmirkingrevenge » Sat Jul 09, 2011 5:45 am

Yes im new but thats why ask for ur help because u know better than me so that everything is secure and limit all possible danger


That's perfectly sensible :)

ansen6606 wrote:where can i buy the qev online?


From a recent thread:

urgle the danish cow wrote:as title states.
i want a clean 1/4 qev for new project. i like the cleaness of the first two ones but ive never seen it used. which should i get

http://cgi.ebay.com/G1-4-Pipe-Pneumatic ... 35b37b7884

or

http://cgi.ebay.com/Pneumatic-Quick-Exh ... 3ca1f78e9c

or

http://cgi.ebay.com/Pneumatic-1-4PT-2-W ... 3a674ab0f0
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Unread postAuthor: ansen6606 » Mon Jul 11, 2011 9:33 am

ok guys lets say i buy the qev ,do i just connect it like if i had made one??
thxx for ur help
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Unread postAuthor: Gun Freak » Mon Jul 11, 2011 9:41 am

You just thread it on.
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Unread postAuthor: ansen6606 » Tue Jul 12, 2011 10:19 am

hi guys ive made some research and ive found this pic

how do we make the piston ??
if some one already got a picture or vid send it to me please
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Attachments
qev__e13.jpg
its going to be like this

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Unread postAuthor: Gun Freak » Tue Jul 12, 2011 10:42 am

There is no way to tell how that one is made... just search through the showcase and you will get plenty of ideas.
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Unread postAuthor: saefroch » Tue Jul 12, 2011 10:43 am

All you really need is a lightweight body and a sealing face. Nothing more. Hot glue body and an inner tube sealing face secured with a screw will work just fine.
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Unread postAuthor: jrrdw » Tue Jul 12, 2011 3:24 pm

FighterAce wrote:Take a look at join dates of this and this author. Coincidence? :wink:


Two different members.
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Unread postAuthor: ansen6606 » Thu Jul 14, 2011 10:13 am

Thx guys .I am finally going to buy the qev check this for me


http://cgi.ebay.com/Pneumatic-Quick-Exh ... 3ca578066a

as i want to make the approximate model like
this
http://www.spudfiles.com/forums/25-air- ... 22941.html

thx to all of you :wink:
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Unread postAuthor: Gun Freak » Thu Jul 14, 2011 10:27 am

Umm this one has bigger ports so it is stronger and it is cheaper
http://item.mobileweb.ebay.com/viewitem?itemId=160610623973&index=0&nav=SEARCH&nid=80552779971
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