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Hi fnksb!
How is the YLP double 21700 quadro-torch project doing?
Thank you, fnksb, for the notification about the discount! Not really interested in that light, though. Waiting for the release of the Gekko 1.0 – I hope Inferion finishes the firmware quickly and the production starts early so that I can use it already this season (is October or early November feasible?).
This Gekko headlamp looks great, looks compact and light, very Zebralight like.
I welcome the Unicorn UI, but they need to have a lower low, the 3 lumen minimum on the Unicorn is too high, and this is even more important for a headlamp, I hope they can add a sublumen moonlight.
I hope it will be November … But now is a hard time to talk about time :person_facepalming:
Will Gekko 1.0 have a reflector option instead of beaded TIR ?
As far as I have understood the new driver for the Gekko allows very low output with “0.000… lm”. It will also have a slightly more advanced UI with more features and adjustments. And it will be compatible with the Unicorn (but I don’t think they’ll sell them separately and it is not simple to swap the driver).
Excellent :+1: .
Another “advanced” linear driver ? 
Do you mean Gekko? Yep, linear driver without PWM is one of the best solutions for this type of lights (the ones which use a 3V-LED and a 18650 battery) :+1:
Best solution for generating heat ;))
Linear drivers aren’t that bad in terms of efficiency. Depends a lot on power and battery voltage. 3V LED would require a complex buck-boost driver. Or a different LED with higher Vf and only a boost driver.
Yes, but the question is how much energy will be lost in the buck-boost converter itself…
The buck-driver will give us advantages at low and medium currents, but will lose at high and very low currents. Buck is a good solution for 3-4 LEDs and 1*18650, maybe… Not for one 3V-LED.
Boost will give advantages at very high currents with an empty battery - but with the empty battery the brightness lowers anyway…
Buck-boosts are good, but they usually require more energy on their own.
You can tell tales about best efficiency of linear driver in Fonariovka, but not here. Here we have Lume1 
LUME1 FW3X FOR FW3A 24,95$ + fw3a (35-40:money_mouth_face:. 3 LED. TRIPLE.
Unicorn 1.0 - 37$. 1 LED. These are completely different lights
And the Lume1 increases the cost significantly. For 5-10 % in efficiency.
… where you have been banned for regular flaming and hate speech… And it’s really an achievement to be banned for hating on Russian forums
As to Lume1 project, I’m actually very interested in it, and find it very promising, especially for the high-current throwers. :+1: We are looking forward to testing Lume1 in comparison with other drivers.
But this topic is about latest offers and new lights by YLP, while there are other topics to discuss driver efficiency issues.
Fonariovka became personal YLP forum , and i was banned because i don’t like “efficient” linear driver
“where you have been banned for regular flaming and hate speech”+for direct insults to forum participants ≠ don’t like “efficient” linear driver.
The Gekko looks good. The Unicorn looks good too. I’d like to get both, to show appreciation for Inferion. 