I made an advanced combustion cannon to complement my pneumatic cannon Bigfoot! I call it the Wookiee Cannon

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There is nothing too novel about this cannon I built because I have seen the same construction techniques done by other users in the past. The only thing that is unique about it is the way I fastened the fan, battery pack, handle, and propane tank to the chamber. I used a heat gun and ABS cement for these fixtures because it was easy and looked a lot cleaner then a bunch of hose clamps.
So here are the specs!
- 4.5 L Chamber (4 inch ABS DWV construction)
- Serviceable 60mm 12v PC fan
- Flashlight 9V battery pack + switch to power the fan
- Piezoelectric BBQ igniter
- 10-32 Brass screw electrical connections through chamber
- Propane fueled regulated at 54 psi
- 1.5 inch venting ball valve
I will post a video of me shooting it in Idaho for Thanksgiving so you can look forward to that. For now, here are some pictures of the cannon and its details: