Step 3Preparation
A good chamber:barrel ratio by volume 1:2, however you can change this to suit your needs. A gun with a barrel which is either too long or too short will not be more powerful, but rather less. Don't forget to include all the pipe including the stabilisers in your volume estimation.
You can use the Gas Gun Design Tool Tool to find out this length. The ".GDT" file is the saved data for my gun.
After you have cut the pipe to the size you want , you must remove the burrs, as these will hinder your soldering. The cut needs to be clean and straight.
mini1co2.gdt475 bytes| « Previous Step | Download PDFView All Steps | Next Step » |
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