I got an interesting light today, it’s from Ludicrous Lumens in Great Britain. The Night Saber Alpha with 67mm aspheric and a pistol grip that houses 2S 18650’s. This came with an XM-L2 but is only on/off, no modes. Didn’t take me long to get a White Flat in it with an LD-4A 6A driver. 345Kcd using a Samsung 30Q and a dummy cell. Pretty neat, physical build is decent enough but the electronics and lack of o-rings is depressing.
Nice enough once it gets some new quality hardware, not really worth the price as shipped though, in my opinion.
Thanks so much - although I’m looking at their website and their right-angle headlamps appear to be XHP70.2 and XHP35 HI, is it the TH20 driver? Feeling pretty dumb right about now.
It doesn’t look like it’s completely focused like maybe the head needs to be further out? I think there’s probably more room for gains cause the Z1 does a bit more. I see they have several other 67mm lights with different configs and this pill system.
The picture from my phone doesn’t show the tight hot spot. I modded it further with a White Flat that does some 345Kcd on an LD-4A at 5.5A. They offer the brass pill with other emitter choices, well a few, mainly XP-G2, for like $15 apiece. Should have gotten some, the pill is left hand thread…
Trees in the beam are at about 535 yards distance…
Thanks for the explanation and photos Dale!
Seems a nice light to mod as you did
If it had a push-pull “zooming” function (B158 style) would be even nicer for some flood here and there!
Any possibility to post the link of purchase, in case I wanna give it a try, please? Thanks again
De-tripled my Jetbeam TCR-01 last night. Previously it had 3x Olson Flat White with Carclo 10507 optic. Now it has 1x XPL HI 4000K 5A2 with orange peel reflector.
The new setup produces a more pleasing beam. However the light doesn’t look as unique aesthetically.
I've been taking my long, sweet time for this one but when I saw the Luminus SST-40, I knew it would be going into this large plastic, OP/SMO reflector, Utilitech thrower:
Uh, yeah, about that spacer… you want to always put the spacer behind the cell not in front of it. The reason for this is that if the spacer manages to short against the body if it’s at the rear it will only cause the light to come on, bypassing the switch. If it’s in front of the cell it’s positive and a short will not be good, at the very least damaging your light and causing it to not function…
Great point! I learned a lot from the Cometa discussions. This light came with a foam spacer. Just to make sure, I'll add some electrical tape around the caps. Card board sleeves stop the rattle.
It's bizarre that the inside of the cap stays shiny but the outside oxidizes. I scraped the patina and took some DMM measurements just to check on performance.
Solder blobs blacken and also increase resistance. Believe me, I deal with it all the time. I normally use aluminum quarter inch rod to make dummy cells, with a Delrin body. But solder blobbed high discharge cells continually have to be cleaned to maintain low internal resistance and high power.