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Small Pneumatic

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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Small Pneumatic

Unread postAuthor: x.X.Cpt.Rollhart.X.x » Tue May 23, 2006 5:16 pm

I am making a small pneumatic,

I didn't mod my sprinkler valve and I didn't screw my air gauge and my schrader valve yet.

my chamber is made of 2" pipe, it is 1 foot long

my barrel is made of 1" pipe, it is 2 feet long

here is the pic :

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Unread postAuthor: Benny » Tue May 23, 2006 5:20 pm

itl be sweet when its done. :D
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Unread postAuthor: rna_duelers » Wed May 24, 2006 5:41 am

Lets see some damage pics when its done :twisted: i love the old over under design works like a charm!Nice cannon.Whats ur estimate on distance?Then shoot it and see if you are amazed.
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Unread postAuthor: x.X.Cpt.Rollhart.X.x » Wed May 24, 2006 4:00 pm

I just finished my small cannon !!! this is AWESOME the punch of it is so big, I am very surprised for the size, it is powerful ! with the bike pump next to my cannon, I fill it with only 20 pump at 100 psi !

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Unread postAuthor: Darkside 6ix » Wed May 24, 2006 4:15 pm

thats umm......100 divided by 20 = 5 PSI per pump. is it just me and his pump or is it that the majority of pumps are 5 PSI each pump?
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Unread postAuthor: Benny » Wed May 24, 2006 4:41 pm

wow, five psi per pump.
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Unread postAuthor: x.X.Cpt.Rollhart.X.x » Wed May 24, 2006 6:52 pm

yes this is five psi per pump !


look, a shot in a pepsi can (i can shot a lot cause i live in a city) :

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Unread postAuthor: Flinchy » Wed May 24, 2006 7:08 pm

neat cannon, 5PSI per pump eh? nice. my junkie cannon only gets 1PSI per pump due to its huge chamber. but still, my over under cannon packs a wallop. nice job! :D
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Unread postAuthor: x.X.Cpt.Rollhart.X.x » Wed May 24, 2006 7:21 pm

just to be more clearly :

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Unread postAuthor: x.X.Cpt.Rollhart.X.x » Thu May 25, 2006 3:34 pm

with my small cannon, i shoot through a .5" plywood

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Unread postAuthor: huse_spud » Thu May 25, 2006 4:05 pm

nice job! does the coupling on the end of ur small launcher make it a little quieter? I'd like to do that with the coaxial paintball gun i'm working on rather than putting a goofy looking silencer on it.
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Unread postAuthor: x.X.Cpt.Rollhart.X.x » Thu May 25, 2006 4:08 pm

huse_spud wrote:nice job! does the coupling on the end of ur small launcher make it a little quieter? I'd like to do that with the coaxial paintball gun i'm working on rather than putting a goofy looking silencer on it.


I didn't try it without muzzle but i did the muzzle for the look only ... :)
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Unread postAuthor: saladtossser » Thu May 25, 2006 4:09 pm

whoa u used the same electrical tape on that bullet as i used on my piston!
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Unread postAuthor: huse_spud » Thu May 25, 2006 4:24 pm

Oh well still looks good. I wonder if i'll ever make it back to the home depot... man you can go crazy out on a farm in iowa with no one to talk to but a cow.
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Unread postAuthor: frogy » Tue May 30, 2006 7:28 pm

I want to make that little one EXTREMELY BADLY....

I found it to be around $7 for the fittings
1 -2'' Cap
1 -2'' Coupling
1 -2'' by 1'' threaded bushing (Slip*FIPS)
2 -1'' Male Threaded 90 ebows (MIPS*Slip)
1 -1'' Male Adapter

$10 for Valve (not including mod)

$6.31 for 10' x 2''

$3.08 for 10' x 1''

about $5 for the Shrader(sp?) valve [tire valve]

Thats about $32 without tax....
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