Working Cannon (Not Print in Place)
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Assemble with a 9 x 35mm compression spring
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Model information
- Source
- Printables
- Category
- Other Toys & Games
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Here is a remix of the Print in Place Cannon by Makkuro.
I really like the original and the print in place design is very well done.
I found though that PLA was not very forgiving and coil spring broke after just a few fires.
This remix takes Jürgen Weigert rounded design, removes the firing mechanism and includes a seperate plunger with a screw on knob so that a compression spring can be added post print.
In my design I uses a 9mm diameter by 35mm long compression spring. I had this in a kit of springs I bought on Amazon a while back, but you could use any compression spring from 7mm x 30mm upto 14mm x 40mm, although I haven't confirmed these sizes.
The knob is a screw fit and easily removed, so different springs can be tested. If you already printed the thick rod version of the original and the spring broke, you could possibly retro-fit the plunger to the original print.
I printed mine with .6 nozzle .2 layers.