Another p60 Triple XPG - Direct Drive

ronac

Enlightened
Joined
Sep 8, 2010
Messages
580
Location
British Columbia Canada
There are already quite a few Triple XPG drop ins available in the market right now but since I had access to a mill and a lathe, I thought I'd take a stab at building one from scratch.



I ordered my board with 3x XPG and Carclo 10mm narrow optics for about $30 shipped. So this build is going to be much cheaper than buying a complete drop in.



I spent a lot of time deciding what materials to use and I finally came up with what I have now. My main concern was heat sinking so I've ended up finding a way to get a large hunk of copper in there. Also, I wanted to try to reduce any resistance since this is going to be direct drive so I went over kill on the entire electrical path. This drop in won't have any springs.



The board will be screwed on to a nice hunk of copper. I went with a screw because I want the board to be mechanically fastened to the heat sink. Also, it will allow me to really squish the two parts together with a decent amount of force. The 6 slots are for 18 gauge wires, 3 for ground which will be soldered to the slot and the other 3 pass through to the positive terminal.



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The 3 positive wires will pass through this plastic insulating spacer and then get soldered onto the brass positive terminal.



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These parts will then be fitted together with an interference fit into an aluminum sleeve.



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All that's remaining is for the board to come in so I can solder it up and press it into the aluminum sleeve.
 
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