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My Tennis Ball 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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Unread postAuthor: Juicey » Wed Apr 25, 2007 7:57 pm

Thanks for all the compliments guys. Yep im a lefty iknowmy3tables, which annoys the heck outta my friends when they want to shoot my guns. I suppose a center mounted handle underneath would solve that problem. But I really like how I have it now.

And I thought about doing that AmYisroelChai, but for me personally I enjoy being able to use both hands on my guns, makes me feel more manly haha. It's extremely sturdy as is so I don't feel like a strapped down trigger is needed. Thnx for the suggestion though.
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Unread postAuthor: XxtriviumxX » Fri Apr 27, 2007 3:44 am

well thats a very nice launcher you have there, looks nice and clean, keep it up :D
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Unread postAuthor: skinner » Fri Apr 27, 2007 4:25 am

Very Nice Cannon.

Looks very solid.
Nice paint job, Overall a good setup.
Very nice work for a first pneumatic.
Keep up the good work.

--Skinner
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Unread postAuthor: jackssmirkingrevenge » Fri Apr 27, 2007 5:03 am

Juicey wrote:Still need to go back and paint the the brass parts to black and paint the exposed nipples as well.


Have you considered using one of these instead, I believe it's more traditional :D

I know, I know, sorry. i'll get my coat :)
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Unread postAuthor: huskeyeskimo » Fri Apr 27, 2007 9:04 am

Lmfao JSR, now why didn't I think of that. Seems so much less hastle than worrying about a cold can of Krylon.
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Unread postAuthor: Juicey » Fri Apr 27, 2007 10:37 am

Lol Jack, but on the plus side, I would fit right in at Mardi Gras.
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Unread postAuthor: dobieharris » Sun May 06, 2007 2:44 pm

i have the same exact sprinkler valve a got at home depot,anyway,how did you mod it with the blow gun?when i remove the electric solenoid, i see two small holes,what do i do with them?can i find a threade brass cap and screw into place where solenoid was?waht size pipe fitting did you thread and how,into where the vent plug was?thanks.
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Unread postAuthor: frankrede » Sun May 06, 2007 6:20 pm

AmYisroelChai wrote:I like the use of the brass but just a suggestion ot help you...

Run a hose from the Sprinkler valve to the handle and attach the Bluwgun to the handle. It may things more one handed and less awkward. You will need a short peive of high pressure hose. Maybe that Plumbing Supply store.

Why would he want to use a ugly hose on such a clean launcher?
It doesn't look awkward to hold.
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Unread postAuthor: turbohacker » Sun May 06, 2007 10:13 pm

very cool
you know, you can test the gun to 70psi only an hour after cunstruction and its prety much safe to fill all the way after about three hours :)
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Unread postAuthor: frankrede » Sun May 06, 2007 10:58 pm

Now that isn't true!
Thats how fittings blow!
The temperature, humidity, and several other factors can effect how long it takes for your pipe joints to cure
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Unread postAuthor: Juicey » Tue May 08, 2007 12:44 pm

very cool
you know, you can test the gun to 70psi only an hour after cunstruction and its prety much safe to fill all the way after about three hours


Yeah but I think the key words there are pretty much. Which doesn't mean 100% of the time. Safety is key for me when building my cannons. So I don't have a problem waiting the 24 hours on the welding to cure......although I can't ever seem to make it the 7 days for the Krylon lol.

Why would he want to use a ugly hose on such a clean launcher?
It doesn't look awkward to hold.


Thanks Frank. That's pretty much the same opinion I have. I hate the way hoses look on some launchers. Don't get me wrong, a few launchers I've seen look ALOT better with the hose, just depends on the layout of the cannon. But I like the way this one is extended so I can grasp the trigger. Yeah, it's not awkward to hold at all. Feels pretty natural.

i have the same exact sprinkler valve a got at home depot,anyway,how did you mod it with the blow gun?when i remove the electric solenoid, i see two small holes,what do i do with them?can i find a threade brass cap and screw into place where solenoid was?waht size pipe fitting did you thread and how,into where the vent plug was?thanks.


I think you'll find several tutorials better than the way I could explain it if you use the search. The only difference i used, was rather than using pressure rated hose to connect from the top of the sprinkler valve to the blowgun, I used brass fittings. I don't know of any fittings that will fit the solenoid hole off the top of my head, but I remember someone had one he found. Not sure if he had to mod it or not though. I just epoxy those 2 small holes and it works fine.
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Unread postAuthor: xboxteen01 » Sat Oct 27, 2007 1:58 pm

how did you flare out the barrel like that? sweet cannon btw.
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Unread postAuthor: knappengineering » Sat Oct 27, 2007 6:09 pm

Nice cannon, very clean, nice paint job, and good work mounting the blowgun. You should try and make a piston valve soon because they are much more effective. (my next project is a piston tennis ball launcher) :D
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Unread postAuthor: MrCrowley » Sat Oct 27, 2007 6:35 pm

xboxteen01 wrote:how did you flare out the barrel like that? sweet cannon btw.


The pipe comes like that so plumbers can join 2 lengths of the same diameter pipe without buying a coupling for them.
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Unread postAuthor: xboxteen01 » Sun Oct 28, 2007 10:12 am

very cool stuff
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