Maxus' Tennis Ball Launcher

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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SpudUke5
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Sat Oct 06, 2007 5:12 pm

Do it.......EEEEEEEEEEbay :D
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Sun Oct 14, 2007 12:18 pm

I noticed that your valve is very similar to mine. What you do with the flow control rod and all that? I assume you just gutted everything you didn't need and threaded in a blowgun, right?
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MaxuS
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Sun Oct 14, 2007 12:35 pm

Indeed i did, the flow control stem needed a bit of drilling to make it threadable to a 1/4" fitting, but once i did that, it was all good. The diaphragm reseals itself after every shot, thats why i took out the flow control, totally not needed and it only restricts flow.

Since someone has dug this thread up for me, i might aswell post this >>

What happens when you fire a water filled Oasis Bottle at a piece of 1" Plywood at 90psi?

[youtube][/youtube]
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Sun Oct 14, 2007 1:05 pm

Damn! That's brutal!

Guns like these don't deserve to be buried within the forum. Bump.
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jackssmirkingrevenge
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Sun Oct 14, 2007 1:18 pm

haha I used to test oasis bottles as a QA analyst, all the full bottle had to survive was a drop test from 2 metres :D

well done :)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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MaxuS
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Sun Oct 14, 2007 1:31 pm

Haha, im sure it survived..
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knappengineering
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Sun Oct 21, 2007 11:04 pm

Thats an awesome gun! I'm hoping to make a tennis ball launcher similar to yours except its going to use a piston valve. I'm very excited now considering how powerful tennis ball cannons are! :D
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spudnik11
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Sun Nov 25, 2007 4:05 pm

What is that black piece called? The part that has the blowgun on top? Because i was gunna make one very similar to this. :blob2: :blob4: :blob7:
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MrCrowley
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Sun Nov 25, 2007 4:37 pm

You mean the sprinkler valve? If you didn't know that I suggest you do more research on pneumatics before planning a build.
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Sun Nov 25, 2007 4:43 pm

MrCrowley wrote:You mean the sprinkler valve? If you didn't know that I suggest you do more research on pneumatics before planning a build.
I second that.

Also stop bringing up old topics. (Not that this one is very old...)
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MaxuS
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Mon Nov 26, 2007 2:39 am

knappengineering wrote:Thats an awesome gun! I'm hoping to make a tennis ball launcher similar to yours except its going to use a piston valve. I'm very excited now considering how powerful tennis ball cannons are! :D
This one has a 2" Piston to replace the Sprinkler Valve.
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