Why Cu?

[CRX]

I made a little set for my 2017 Old Lumens contest entry. Just rechargeable, no powerbank functions but it has a UV array too as well as the quad & red emitters.

Full instructions here:

CRX Stratis Lumina - 2017 5th BLF Scratch Made Light Contest Winner

Hello and welcome to my build thread for the 2017 5th Annual BLF / Old Lumens Scratch Made Light Contest which is a competition where BLF members take part by making a flashlight or set thereof from scratch and was started by now deceased member Old Lumens who loved modding and making flashlights. There are two categories, Machine made and Hand made. Again I will be entering the hand made category and making the light(s) using only small hand held tools. This years flashlight will be made fro…