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All content on this page is for informational purposes only, I do not reccomend building any device shown here and am not responsible for anything you may do with such a device. Please do not email me asking how to build potato guns, there are plenty of websites which provide step by step instructions, this page is meant only to show some of my designs, which can easily be reproduced if you know what you're doing.
 
The standard combustion potato cannon To learn how to make these, and the physics of potato guns, check out some of the sites on the potato gun webring. I was able to make one of these for under $10 with scrounged parts.
This cannon was built entirely from parts I found around my Dad's shop, including his torch. I did it almost right except for the back cover, which was an old jar lid epoxied to the ABS pipe (I couldn't find a proper end cap)
This one never actually got built, for various reasons, but mostly because the kind of torch I wanted cost $75! I'm too cheap for that.
The current incarnation of my potato canon, made from parts of the earlier ones and other various bits and peices. It has interchangeable barrels and has used a variety of igniters.
A silenced potato gun, as pictured above. The silencer is basically the same as that used for a regular gun, but scaled up. There are many websites on homemade silencers. Click here for a photo.
This was a small potato / marker pen gun which I made in high school physics as a demonstration of something or other (Physics is just an excuse to play with cool toys). It was my only air-power gun.

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