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Step 8Internal spacer
Because this is my own design, the internal spacer needed to be custom built too.
Alas I dont have a lathe or plastic injection equipment, so I had to do it the hard way with a modified tank cutter.
1. cut out the disk from a square to match the inner diameter of the outer tube very closely.
this is to prevent the center anode (washer/nut stack) and the inner tube from moving around and shorting out and also to maintain a uniform distance between tubes and washers.
2. cut the inner gas holes, I used a 3mm bit but larger can also work.
3. cut the slots for the outer tube gas holes, I used a rotary file 6mm dia.
You can then assemble the spacers onto the anode stack which tightens down the stack onto the base plate.
Alas I dont have a lathe or plastic injection equipment, so I had to do it the hard way with a modified tank cutter.
1. cut out the disk from a square to match the inner diameter of the outer tube very closely.
this is to prevent the center anode (washer/nut stack) and the inner tube from moving around and shorting out and also to maintain a uniform distance between tubes and washers.
2. cut the inner gas holes, I used a 3mm bit but larger can also work.
3. cut the slots for the outer tube gas holes, I used a rotary file 6mm dia.
You can then assemble the spacers onto the anode stack which tightens down the stack onto the base plate.
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