Ya know, it was a rainy weekend, just kitchen table tinkering so I never took any progress pics but for fear of going off thread topic (actually, hold on, I started this thread, I can do what I want

) but I built this to hold a 15ml bottle and get as little v drop as possible...
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Disregard the brass screw button and piece of foam...it's just until I can fab something that isn't so stupid...I'm still in "proof of theory" with the contact set...they should be good for whatever amperage I (or anybody) could throw at it. The Atomic has been hybrid'd, the stock center pin has been replaced with a drilled brass screw which is attached direct to the beryllium contact, which is paired to the copper pin pressed into the pos batt piece.
The neg cct is fused to 10A, beryllium copper flat spring and 16 awg sterling silver wire (serious, I had it laying around from another project) direct to the 510 conn.
Other than the v across the coil and batt resistance the v drop is so low I can't really get an accurate measure with my Fluke...so far so good, just wish it wasn't so ugly, the clear box seemed like a good idea at the time