Big Freaking Bottle Launcher

For launching a 15L water cooler bottle. Work in progress. I recommend ABS for this one, using a slury or acentone brush over to seal all the gaps for pressure. The barb piece should have the brim cut off and acetone-glued into the base. O-Rings should be installed in the rings, and a 1/4" ID


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This is untested, and potentially dangerous.

If it works and I don't blow the bottle up in my face, I will update the design with a release mechanism -- for the moment, I am counting on the air pressure getting stronger than the friction against the O-rings, and then blasting.

Materials and methods

3D Printed Parts:
- print 1 launcher in ABS
- print 1 hose barb in ABS

- Acetone or ABS-Acetone Slurry: to smooth and seal the parts, and to join the hose barb piece to the main piece
-1/4"ID air hose, one end attached to air compressor
- Zip ties or pipe clamp for hose barb
- Piece of wood as a base & screws for the holes in the legs
- big O-rings to fit on launcher



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Fefaa1fa8ddbe402f5899475f8ce2fbd?default=blank&size=40cgapeart commented ago

@skettymon: Agreed! I never got this to work - at the time, my printer was not creating pressure tight results. I suspect if I went at it again with ABS and did a brush on or acetone vapor smoothing, that might help. I haven't revisited it in 2 years.

710ce1c8eacbc2f317e65cc546ef96a0?default=blank&size=40skettymon commented ago

always test anything you make safely

Fefaa1fa8ddbe402f5899475f8ce2fbd?default=blank&size=40cgapeart published this design ago