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mini .177 pocket gun

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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mini .177 pocket gun

Unread postAuthor: urgle the danish cow » Wed Jul 21, 2010 12:04 pm

i wasnt sure wether to post this in the pnuematic or mini section but here goes.
i havent posted many guns for awhile bc i have been missing pictures until recently so i will probably post a couple more today. i built this about 5 months ago.
the main chamber is made of 1/2 inch copper pipe
the rear section is 3/4in copper (too fit bike valve for i cannot find a screw in)
the barrel is 1/4in ODcopper pipe
it shoots .177 steel bbs
its not amazingly powerful but whatever. ive only taken it to around 120 psi
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Attachments
IMG_0260.JPG
the gun is very small, the AA is there for size referance
IMG_0158.JPG
piston with a US penny for size referance.
IMG_0157.JPG
close up of piston, sorry for bad lighting
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Unread postAuthor: Mr.Sandman » Wed Jul 21, 2010 12:09 pm

Nice little mini there, although a bit of sandpaper and paint never hurt :D. The only thing that concerns me is the schrader valve. How exactly is it attached? Other than that great job and higher pressures and damage pics will make everyone happy.
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Yeah, it's that important.
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Unread postAuthor: urgle the danish cow » Wed Jul 21, 2010 12:18 pm

Mr.Sandman wrote:Nice little mini there, although a bit of sandpaper and paint never hurt :D. The only thing that concerns me is the schrader valve. How exactly is it attached? Other than that great job and higher pressures and damage pics will make everyone happy.

ther is a 1/2in to 3/4in adapter on the end. the valve is in the 3/4 endcap
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Unread postAuthor: Mr.Sandman » Wed Jul 21, 2010 2:38 pm

urgle the danish cow wrote:
Mr.Sandman wrote:Nice little mini there, although a bit of sandpaper and paint never hurt :D. The only thing that concerns me is the schrader valve. How exactly is it attached? Other than that great job and higher pressures and damage pics will make everyone happy.

ther is a 1/2in to 3/4in adapter on the end. the valve is in the 3/4 endcap
That didn't really answer my question. What I meant is, how is it secured into the adapter, that schrader isnt threaded.
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Yeah, it's that important.
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Unread postAuthor: FighterAce » Wed Jul 21, 2010 4:11 pm

To solder you need heat and heat just kills rubber... I hope you soldered it before you inserted the schrader.

btw. the piston could use some sand paper too :D
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Unread postAuthor: urgle the danish cow » Wed Jul 21, 2010 4:50 pm

Mr.Sandman wrote:
urgle the danish cow wrote:
Mr.Sandman wrote:Nice little mini there, although a bit of sandpaper and paint never hurt :D. The only thing that concerns me is the schrader valve. How exactly is it attached? Other than that great job and higher pressures and damage pics will make everyone happy.

ther is a 1/2in to 3/4in adapter on the end. the valve is in the 3/4 endcap
That didn't really answer my question. What I meant is, how is it secured into the adapter, that schrader isnt threaded.


its an old school tire valve that you have to squeeze through the back of the endcap. it works for me :?
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Unread postAuthor: urgle the danish cow » Wed Jul 21, 2010 4:51 pm

FighterAce wrote:To solder you need heat and heat just kills rubber... I hope you soldered it before you inserted the schrader.

btw. the piston could use some sand paper too :D

its epoxied bro :roll:
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