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X-425 Tennis Ball Cannon

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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X-425 Tennis Ball Cannon

Unread postAuthor: Binder17 » Thu Sep 06, 2012 12:42 pm

Hopefully soon to be LRC-425

Chamber: 4"X21"
Barrel: 2.5"X66"

Flanged Chamber
Dual Ignition
Metered Propane

It has been awhile since I have built one of these but Im taking a semester off from college for work so I got bored. Lets see how four years of college have affected my capabilities. I have full specs, drawings, and 3d models.

Let me know what yall think or if you have any suggestions. The only special thing about this design is the flanged chamber and I'm attempting to make an igniter out of a disposable camera for the first time.
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Unread postAuthor: mark.f » Thu Sep 06, 2012 10:18 pm

So build it already. :)

And check this thread for some nifty ways to use a flash board.
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Unread postAuthor: mattyzip77 » Fri Sep 07, 2012 1:46 pm

I agree with mark f.,,,, lets see the real thing!!!!
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Unread postAuthor: Binder17 » Mon Sep 10, 2012 12:32 pm

I just finished buying most of the supplies. Ill post it upon completion. I just wanted opinions is all.
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Unread postAuthor: Binder17 » Sat Feb 16, 2013 6:27 pm

Here is the link to the completed product. It shoots very well and performed beyond my expectations. I know it is not the cleanest design, but keep in mind I built this in an apartment with very limited tools and resources. Enjoy!

http://www.youtube.com/watch?v=TeCuXIyx3qA
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Unread postAuthor: mattyzip77 » Sat Feb 16, 2013 7:55 pm

Awesome job on both the cannon and the video...Congrats!!!! :D 8)
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Unread postAuthor: mark.f » Sat Feb 16, 2013 9:42 pm

Awesome job on the video! I can tell you used your external mic for those shots. :D
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