First, thank you all for your indulgence.
I want to build a triple S2+, but I’m not sure about… well, MANY things.
But to start, I’m debating between using Nichia 219C or XP-G3.
My emitter knowledge is sadly lacking, so I’m wondering…
Assume one were to build 2 identical lights, one with XP-G3 and the other with 219C.
Using high drain cells, what differences might one notice at moonlight, medium, and direct drive turbo… in terms of output, heat, runtime, forward voltage, etc.
Thanks
Going by Djozz' output chart, the XP-G3 will have more output, with slightly higher required voltage, given the same driver/mode.
The differences would be more noticeable as you go up through levels/modes.
The 219c has the potential to be over-driven on a full cell, resulting in reduced output & excessive heat, but they are both going to get very hot, very fast, in such a small host. Impractically so at higher levels.
Thanks, FmC.
So if I understand you correctly, direct drive isn’t recommended… at least not for long.
What if I use a LD2 driver and limit the Turbo current. And if so, what is a rough guess what a safe max current limit would be? 5 amps?
(I really have no idea what I’m talking about, I’ve just been reading a bunch of threads here with about 50% comprehension.)
I believe ld2 drivers are 20mm meaning they won’t fit into a S2+. That driver is typically for 2 cell 6 volt use. If you use the xp get a fet driver with programable modes. For the 219 a 3 amp qlight should be plenty.
You can use a MTN DD FET + 1 driver.
Get bistro firmware. You can set it up from 1 to 9 modes, so you have lots of power option. Turbo is fun. You don’t have to always use it if you don’t need or want to. With bistro, you can program the step down yourself. Run it on turbo, when you think that’s the temp you want…click…and it will memorize that temp and always step down to 50% when on turbo. Lots of options. One driver and you can run whatever current you want.
XP-G3 is the new king in direct drive configurations. You don’t need to limit the amps to it. An S2+ triple light should give you a good 20 seconds of turbo before things start to get pretty hot. It’s a WOW mode and it’s why we make these things.
It’s 17mm and works with 1 cell by default.
As of now my favorite driver in a hot triple is the H17F. It pretty much does whatever you need and it’s also thermal regulated.
I just built one today, least complicated I could figure out, old triple emitter, just took me a long time to get around to it
Convoy S2 host (have to drill a hole in the center of the pill)
spacer: Aluminum Triple Spacer for Convoy S2/S5/S6 Hosts - XP-L / XP-G2 / Nichia 219
driver: QLITE REV.A 7135*8 3.04A LED DRIVER - 17mm
emitter: http://kaidomain.com/product/details.S022933
legs on the optic were a bit longer than thickness of the emitter board so I had to file them down.
I vaguely recall I may have gotten Nichia B rather than A on that board, forgot to look before I used it.