Simple yet effective combustion cannon

Boom! The classic potato gun harnesses the combustion of flammable vapor.
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SpudBlaster15
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:22 am, edited 3 times in total.
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experament_u2
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thats a nice gun i like the plain combustion look
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killagorrila99
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Yes, Very nice. Around how much better distance do you get with butane?
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:22 am, edited 1 time in total.
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SpudBlaster15
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:22 am, edited 1 time in total.
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malman
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Hey Quick question. So im very new to this and am going to buld my first gun this weekend which is this very gun this friday but im wondering what is the fan for? Im assuming its to mix some air in there to get the right air/fuel ratio am i right?
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:23 am, edited 1 time in total.
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malman
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So do you turn it on for a brief second after inserting your fuel? Then again after the shot?
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:23 am, edited 1 time in total.
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subterranean
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the chamber fans are really ment just to mix fuel but yes they do vent the chamber a little bit but if thats all you want it for i dont suggest it.
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subterranean
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this question has not come up yet but for any one new with chamber fans it probably will.WILL THE FAN IGNITE THE FUEL IN THE CHAMBER? no it wont it is a brushless motor(doesn't make sparks)
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malman
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Im So Very new to this and the only gun i have made so far is a pill bottle mini. Now this question might seem dumb to most if not everyone here but for me its a serious question. What keeps the fan from burning or getting damaged in the chanber?
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:23 am, edited 1 time in total.
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naitoshisou
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now all in all, how much did this cost?

My buddy and I made 2 identical
3:18 chamber
2:36 barrel
looks almost identical to yours except no fan
the two together cost roughly $45
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SpudBlaster15
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Last edited by SpudBlaster15 on Wed Jul 14, 2021 11:22 am, edited 1 time in total.
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