We replaced my son’s with a XM-L T6-4C on a 16mm base…(bought a cheap one from FT)
I recommend getting a pre ’84 or ’82 pure copper penny, sanding both sides smooth (or cut out a disk from a sheet of copper
), drilling a hole in the center, putting it on a rotary tool cutoff wheel attachment, use sandpaper (takes a long time) or a hobby file less time) and turning it down till it fits on the shelf (not inside the shelf, on the shelf like a solid pill), epoxy/RTV it down, drill wire holes (make sure they line up with the emitter base), then epoxy/RTV the emitter base to said penny, then solder down the wires (you won’t need the retaining ring to hold the emitter down once you epoxy/RTV it down…viola, heatink…not the best, but will work better
If you REAAAAALY want good heatsinking, get a 16mm copper sink pad, then braise/solder the penny and the emitter base together on the stove, use tweezers to pull the emitter off the aluminum base (and paying very very very close attention to polarity) stick it on the new copper base) you will have gone from approx 1.4mm aluminum to approx 3mm of pure copper.
Not sure if the XM-L on top of copper sinkpad and penny will have the space to fit under the aspheric lense, might need to go with a smaller shorter emitter…choice is yours…my above post I used a larger zoomie and it fit perfectly.
I also recommend putting some NOALOX on the threads (little dab will do you) and screw it down
Your pill already has the screwdriver tightening knotches cut in them so stick a small flat head in the groove and snug it down tight, then put the top cap back on
A 14500 on that driver acts as a 800mA linear regulator, the little guy will get WARM fast all over, in AA mode it acts as a 500~mA booster, usually won’t get that hot
With a big fat XM-L in there, it does throw quite a bit more light in flood mode, but the zoom is affected and throws a big ole square rather than a large image of the XP-E, you could always throw a XP-G or XP-G2 in there but with the penny heatsink the focal point is off and it won’t zoom crystal clear…it will now throw, but throw a round light rather than a perfect image of the emitter
hah…pays to re-read the thread…I posted dang near the same thing about 4 posts above…duh!
And yes, me and my son ended up getting impatient using the low torque harbor freight rotary tool, stuck it in my Porter Cable 18vdc drill and put it on high speed and WHOAH NELLY hang on to that sucker…I recommend Ultra Gray sensor safe RTV (Silicon has better thermal conductivity than epoxy)
Believe it or not the SK68 in AA mode doesn’t throw as much light, but with a fresh battery will run a little over an hour, with a Li Ion 14500 you will be lucky if it runs for 30-40min, ALOT more light, but ALOT more heat!
What 600 lumen flashlight did you win?