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PVR-31mm "The 2-Hour Cannon"

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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Unread postAuthor: glass_05 » Sat May 10, 2008 8:09 pm

okay. i have a dress press but have no idea how you mounted that endcap on it to make it spin. any tips?
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Unread postAuthor: Killjoy » Sun May 11, 2008 1:55 am

Well first I took a 1" threaded plug and drilled a hole in the center. I then put a bolt though the hole and bolted it down. I took the 2" -1" threaded bushing and threaded the 1" plug into it and then stuck the bolt in my drill press.
After that all I did was turn on my drill press and cut the grooves with a razor blade and smoothed everything with sand paper.

If you're still having trouble I might hurry up on making a how to for this valve.
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Unread postAuthor: glass_05 » Sun May 11, 2008 1:57 am

i think i can figure it out. but a how to with pictures would be much appreciated, not just by me. but for alot of people on this site. so if you do make one, let me know on the link
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Unread postAuthor: Killjoy » Sun May 11, 2008 2:26 am

Alright I'll do that. I'm actually leaning more towards a video then just straight up pictures, but we'll see, I gotta finish a quarter shrinker and a massed produced piston valve for a kids camp first.
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Unread postAuthor: glass_05 » Sun May 11, 2008 2:28 am

okay. let me know when your done with that. ill wait to begin my gun until your down with the tutorial. just to make sure i get it done right.

Thanks
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Unread postAuthor: Killjoy » Sun May 11, 2008 12:40 pm

sure thing, I might get the stuff today to do it
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Unread postAuthor: glass_05 » Sun May 11, 2008 1:17 pm

that would be wonderful
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Unread postAuthor: glass_05 » Tue May 20, 2008 1:54 am

how is the tutorial coming along?
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Unread postAuthor: Killjoy » Tue May 20, 2008 2:10 pm

I got the parts, but I had to go to texas for some family issues so it will be a little longer. sorry
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Unread postAuthor: glass_05 » Tue May 20, 2008 4:22 pm

i went to menards today to get parts, but they didnt have pressure rated 3 inch tees. i was pissed.
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Unread postAuthor: trollhameran » Wed May 21, 2008 2:14 am

very nice cannon you've made there, both of my cannons took alot longer than that to make
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Unread postAuthor: bikingpro911 » Thu May 22, 2008 8:32 pm

nice cannon but if i were you i would find either a pieace of pipe to fit in between the barrel and the chamber for support or if you have a dremel or a sawsall cut a pieace of wood to fit inbetween to suipport...just sayin :)
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Unread postAuthor: woden the awsome » Thu Feb 19, 2009 10:24 pm

I've built a canon similar to that. Yours looks pretty sick and well put together! You should put a support at the end of the barrel and air tank for stability.
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