Thanks!
I’ve just received the new v6 design for the F-2 and F-4, so I’ll build a few and make sure there aren’t any screw-ups.
The v6 component and pin design is already tested and working nicely though. I made a L4 dedicated version with 14 x 7135s which is the first of my v6 drivers to actually make it into a light: What did you mod today? - #2984 by Mike_C
I used a 22uF X7S rated OTSM cap on the L-14 which consistently gets over 10 measurable seconds at 4V and room temperature. I’ll have to lower the voltage and heat it up to test the margins.