.63-caliber Marshmallow Blowgun
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A lung-powered marshmallow launcher, built of PVC pipes and a 3D-printed loading tube, with three-round burst.
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Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Indoor Sports
- Licencja
- BSD License
A simple top-loading blowgun of ½” PVC works well once a mini marshmallow reaches the chamber, but the ammunition tends to jam up in the loading tube. My 3D-printed loading tube resolves this with a tapered inner diameter that gets larger as the marshmallow travels down the tube.
Parts List
- 12” length of ½” PVC pipe (the barrel)
- 4” length of ½” PVC pipe
- Tee for ½” PVC pipe (the chamber)
- 45° elbow for ½” PVC pipe (the mouthpiece)
- 3D-printed loading tube (printed with the small opening downward but mounted with it upward)
In the NPS Schedule-40 standard, note that the inner diameter of ½” pipe is actually 0.602”. This makes the bore just slightly smaller than a .63-caliber mini marshmallow, which works out perfectly.
The marshmallows that I use are Great Value™ mini fruit marshmallows. I’ve noticed that some mini marshmallows are smaller. I haven’t tried those, but I suspect the air won’t propel them as spectacularly since they likely won’t seal against the walls of the pipe.
Once assembled, load it with one to three rounds, cover the loading port with your thumb, aim straight for your friend’s eyeball, and blow hard into the mouthpiece.