Some magnets are coated with a protective layer. Even if it isnt, there may be a little resistance in it. I use solder blobs on my 2 liitokala that I use exclusively in the L6.
The 2 stock R082 resistors create 0.041 ohms.
Adding a R100 drops it to 0.0291
Adding a R110 drops it to 0.0298
So pretty much the same.
I thought the purpose of the short tube was for fitting 2 x 26350 cells. Right? Wrong?
… making for a shorter easier to carry light, though with a reduced run time.
If you look at the L2 reflector base and compare it to the L6 you’ll see a couple major differences. I do believe a narrower, thinner base helps, You will also notice the angled interior base on the L2, a smoother transition going out into the reflector, then the straight angle base of the L6.
With the XHP50 L2 build I just shaved the reflector base paper thin and the hot spot is very tight and clean, with just a faint very narrow ghost ring of a corona.
The XHP35 HD L6 build, I hazed or diffused the base and up the reflector to about 2-2.5mm, the rings are still there ever so faintly, on the WALL, but outside, nothing! At 3+ amps I have no doubt the XHP35HD E4 3C is putting out 3000 Lumen, pretty impressive high out put big beam thrower!
Notice how thick the base still is, even after filing half of it away, you notice it more when it is sitting on the board! It’s good enough for now……
Just noticed a flash deal @ Banggood for the Clear L6 for short term. Cool White is already out of stock ($45), but 5000k, 4000k & 3000k tints are available.
Okay, I borrowed a clamp style ammeter and used a 6” long piece of 10 GA wire to measure at the tail cap. I say “roughly” on the first 2 measurement’s because I had to convert my old multimeter readings to the newer clamp meter readings using math.
The xhp70 with FX-30 driver and protected KeepPower 5200. Turbo/high:
Stock - roughly 5.5 amp
R082 Added - roughly 6.4 amp
Wire Added - 6.6/2.1 amp
Liitokalas with wire added - 8.1/2.8 amp!
I also swapped in a new lower forward voltage xhp50.2 into my light with the wire added to the driver. Turbo/high.
Keeppower - 6.7/2.0 amp
Liitokala - 8.9/2.7 amp
Big jump up with the different batteries. More than I expected. Even high mode was drawing more amps with the Liitokalas.
I’m told that the really big 8.9 amp load I got with the xhp50.2 was due to the wire I added. It makes the driver go direct drive. If I swap back to a R082 or R100 resistor output should drop down a lot and I’ll get better battery life along with less heat buildup.
My meter is out being calibrated right now so I can’t tell you how much brighter it is in actual lux, but I can see it’s brighter. I can take both sets of fully charged batteries and swap them and see the difference.
I’ll report back when I’m able to take lux measurements.
Ok, tried it a few days. I definitely don’t like the beam with smooth reflector. Anyone tried the op reflector with a shaved dome? How much does this lower total lumen output?
It’s noticably less bright regardless of what reflector you use, but it boosts lux. So you gain distance. Is that your goal?
It’s a pretty beam with the OP reflector, tighter as well, but I still don’t like the loss of lumens.
If you’ve added a resistor to boost output, shaving the dome is like going back to stock. I’m seriously thinking of buying a new xhp70 emitter just to get the dome back and make it bright again.