[BLF Joint-Development] WildTrail BLF Tactical Flashlight

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djozz
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Jerommel wrote:
Lexel wrote:
This driver has a FET, but you can always program a mode group which has on highest mode only full AMC regulated level!
Then Turbo is only available through long press from lowest mode

It combines both regulated and DD into one driver, people need to differ between DD+1 and DD+n+1 driver designs

True.
But it also depends on how much n is.

…and i still think DD is not such a good idea, although it does solve some thermal issues (if the FET is fast enough).

I think you and many others do not understand the advantages of DD FET drivers. It must be something about them being simple and cheap so they can’t be good. The beauty of the direct drive (PWMed to create lower modes) is that by chance of physics many leds when run at high output run at a voltage that is close to the same voltage that a li-ion produces under load. Fine-tune that by adding or lowering the resistance in the system and you have a fairly efficient super-simple circuit that is cheap and extremely robust.

You can keep going on about the disadvantages of direct drive, like that it has no constant output (btw incans never had that, it is a matter of taste, not practicality, if you like it or not) and that efficiency is bad (if measured compared to other types the difference is not impressive), but solving those disadvantages comes at a huge price: bigger pricier drivers with more components that fail earlier, can produce whine, and can never achieve the power levels for the led that a simple direct drive situation can.

In short, I never see flashlights that are nicely regulated and at the same time run at the same power level as a direct drive flashlight. For real output power I only trust direct drive, only for lower level flashlights I trust regulated circuits.

Jerommel
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djozz wrote:
Jerommel wrote:
Lexel wrote:
This driver has a FET, but you can always program a mode group which has on highest mode only full AMC regulated level!
Then Turbo is only available through long press from lowest mode

It combines both regulated and DD into one driver, people need to differ between DD+1 and DD+n+1 driver designs

True.
But it also depends on how much n is.

…and i still think DD is not such a good idea, although it does solve some thermal issues (if the FET is fast enough).

I think you and many others do not understand the advantages of DD FET drivers. It must be something about them being simple and cheap so they can’t be good.

No, that’s not the point at all.
Simple is good, but current regulation is better.
Jerommel
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Lexel wrote:
You could always remove R4 to shut down the FET if you don’t want it

it is FET+5+1
so 2.1A, light can easily run without getting to the thermal throttle if its set to like 60°C


It depends on the LED Vf.
If it’s low, why not use a 3, 4, 5 or 6 Ampere FET CC driver?
With an XP-L or other high Vf LED there’s no need for current limiting.
Scallywag
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Jerommel wrote:

Ah… Facepalm Facepalm Facepalm

But it’s dramatically different than what’s discussed here…
I know that light is out for a while, but i didn’t expect this to be that.


Yup, I could tell you were discussing an alternate version, so I didn’t quote you. The others seemed to be just blindly posting in a group buy thread.

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May I put my input on these tactical lights?
I love the form factor shown. It really reminds me of Fenix PD35 and Zanflare F1 combined.

But my thoughts of tactical light really comes in 2 versions.

I like the surefire G2x Pro interface. Always on low but double tap to go high. I even got a Solarforce L2M with Nanjg 105C programmed to be the same. No memory always on low with high on double tap.

I also love the interface of Olight M18 Maverick for a dual switch operation.
Single tailcap click is a customizable brightness mode via side switch with memory that will never hit turbo. (The only place to select brightness here)
Double tap to click to achieve turbo (hitting side switch bounce back to common modes)
Triple tap to click to access strobe. (turn off to reset back to 1)

And yes get me that sweet sweet DD Fet but only on turbo. I’m even okay with timer stepdown like the BLF A6 but only on turbo.

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SKV89
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Any word if there will ever be a 21700 tube for this light? The tube diameter is already larger than some 21700 lights.

Chinaheart
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I'm Interested for 2 

dorpmuller
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OK, I'm a civvie but if I were a cop I think I would want:

Maybe a dual tailcap switch like Fenix does.. main switch would power light on on high every time. KIS... forward clicky with high, medium, low, period. High would be the max that the LED would be capable of without overheating and making it impractical to use for any length of time. No burn-up-your-pocket turbo. Momentary capability of course.

Second tail switch would give instant strobe, period. Correct me if I'm wrong but I don't think law enforcement is gonna want SOS and all that crap. No side switch you'd have to fumble for. 

Thick AR lens like Surefire uses. SS bezel for dropping on head. Tough enough that you could run over it with a truck or smash a car window. Aggressive heatsinking. Screw on grip ring so you decide whether you want it or not. Ditch the USB charging. Dual removable belt clip. Completely waterproof. Bezel-down quick draw holster included. Matte finish=better grip and looks. 

Cost more but if I was in a precarious situation I want something that's up to the job. I wouldn't want tacticool, I'd want simplicity. It's a tool, not a toy. Has to stand out from the crowd of lights already being made because if it doesn't one is just gonna buy one that is already on the market. 

 

Comments? Texas shooter, whaddaya think? 

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texas shooter
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dorpmuller wrote:

OK, I’m a civvie but if I were a cop I think I would want:


Maybe a dual tailcap switch like Fenix does.. main switch would power light on on high every time. KIS… forward clicky with high, medium, low, period. High would be the max that the LED would be capable of without overheating and making it impractical to use for any length of time. No burn-up-your-pocket turbo. Momentary capability of course.


Second tail switch would give instant strobe, period. Correct me if I’m wrong but I don’t think law enforcement is gonna want SOS and all that crap. No side switch you’d have to fumble for. 


Thick AR lens like Surefire uses. SS bezel for dropping on head. Tough enough that you could run over it with a truck or smash a car window. Aggressive heatsinking. Screw on grip ring so you decide whether you want it or not. Ditch the USB charging. Dual removable belt clip. Completely waterproof. Bezel-down quick draw holster included. Matte finish=better grip and looks. 


Cost more but if I was in a precarious situation I want something that’s up to the job. I wouldn’t want tacticool, I’d want simplicity. It’s a tool, not a toy. Has to stand out from the crowd of lights already being made because if it doesn’t one is just gonna buy one that is already on the market. 


 


Comments? Texas shooter, whaddaya think? 

It sounds well thought out. If you’re making it heavy enough to be run over that extra mass will make high run that much longer. I’ve got a 192 gram flashlight with an XHP-50.2 that will run 1300 lumens and can be held after 30 minutes. I personally carry bezel up in a full length holster. I do this as car seats, seat belts and chairs with arm rest like to pull gear off the belt. However many overs carry bezel down in speed holsters.

I will state again that I carry two lights and consider that there are two types. First is that “Tactical light” with on/off only tail switch at about 1200 lumens. Mine is the Pflexpro. Second is a duty light, a little bit larger and heavier. It has a few modes and could bust a brick.

Sharpenologist
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Looking at the link you provided, that is not at all what I would want…

Color me disappointed.

-dmm

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Sharpenologist wrote:
Looking at the link you provided, that is not at all what I would want…

Color me disappointed.

-dmm

Who are you talking to? You didn’t quote anyone

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Interested in 1.

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Interested for 1

Tom E
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I'd like to make a suggestion to please, please try to use a standard MCU that Anduril/FSM supports. We can develop just about any UI you want using Anduril's common base of FSM. TK already has a few UI's based on it.

If you go with one on the better MCU's like used in the new V2 Emisars or Noctigons (1634), that would be great because it's got more memory, and a lot more I/O pins - can do much more with it.

For a proper BLF light, we really want the driver and firmware to be open source and the firmware easily re-programmable. This way, it can be tweaked however, preferably you can even download Anduril if you want, but the light ships with a simpler UI - that's fine. Judging by all the differing opinions on the UI, maybe alternates can be offered when ordering.

I hear my nephew who works for the NY port authority always raving about his tactical light on the job, basically about momentary mode on max, think the tail button. Now of course the charging systems are way superior to what we do by using a bank of charging stations. Off duty, snap the light in to charge, going on duty: take a light from a green lit station, and your good-to-go on your shift. This is how it should be for first responders, enforcement, etc. Dunno if that's the target buyer here, but just ideas...

 

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As a light painting photographer, I would like the see the following functionality in a tactical light:
- Constant frequency strobe (so many manufacturers have recently moved to alternating frequency), that is memorized for use with forward clicky switch.
- Evenly spaced brightness levels, all of which can be memorized for use with forward clicky switch.
- Good heat handling at max output/max output can be sustained for a few minutes.
- Simple user interface.
- Head size <37mm for light painting connectors (smaller more preferable).

The Sofirn SP31v2 comes close to perfect, but ruined by a non-memorized alternating frequency strobe.

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A tactical light painter light. Hhmmm. How about the SP31B? That's an easy light to mod and I got it running a customized Anduril. I would think could add the strobes as a memorized mode, then I could make a strobe however you want. It's a side switch though, and to operate a few minutes at high amps in a small light package is a major challenge for sure - probably not possible with current tech at a reasonable cost. Maybe  micro size active cooling? cool

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Will Anduril work with flashlight with dual switches?

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Barry0892 wrote:
Will Anduril work with flashlight with dual switches?
Yes! ToyKeeper added that option in 2017.

Andúril works great with an e-switch and a forward-clicky tail switch.

I use it on my custom EagleEye X6R, and it’s my favorite pocket thrower because of it.

The tail switch turns the light on in the last mode. The e-switch works like any other Andúril light. Hold the e-switch and turn on the tail switch to start in moonlight mode.

The tail-switch can be used as a lockout, as a momentary switch, or can be left on so that the e-switch can be used to power on/off and change modes.

I’ve been waiting and waiting for a manufacturer to release a thrower with dual switches and Andúril!

Help make this happen, Barry! Party

stephenk
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Tom E wrote:

A tactical light painter light. Hhmmm. How about the SP31B? That’s an easy light to mod and I got it running a customized Anduril. I would think could add the strobes as a memorized mode, then I could make a strobe however you want. It’s a side switch though, and to operate a few minutes at high amps in a small light package is a major challenge for sure – probably not possible with current tech at a reasonable cost. Maybe  micro size active cooling? cool

The SP31B doesn’t have a forward clicky switch unfortunately.
There is a new light designed for light painters coming soon based on the SP31v2 with a different driver/firmware with adjustable strobe frequency and brightness – I’ll be reviewing it when it is ready. However, minor tweaks to the SP31v2 firmware (constant frequency strobe that can be memorized for use with the forward clicky switch) would create a good budget option. 1,000-1,200 lumens is enough for most light painters, which can be sustained for a few minutes in many stock lights.

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Any chance of having available a replacement tail cap with pressure switch for use as a weapon light?

That is if the design itself will tolerate the recoil on a refile.

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Interested in one!

LuckySeven
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Interested. Looking forward to this project.

ElginAgain
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I’m interested in two!

daflip
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I’d be interested if this light features these things:
1) Body diameter of 1” to fit most aftermarket gun mounts and consistent diameter throughout body tube. No fins or anything protruding that will hinder mount installation. Most gun mounts are one pieced clamps. Tactical ring is OK just as long as it’s removable.
2) Head size of no greater than 40-45mm so the head doesn’t obstruct gun mounting position
3)Remote Pressure switch with constant and momentary on (separate buttons) (as Accessory and/or with mount)
4)Quick and Simple UI that doesn’t have unnecessary modes (i.e. Low or Moonlight)
5)5000k temp or lower to reduce perceived bounce back glare for CQC (doesn’t have to be high cri)
6) Full potted electronics or at least make it robust a much as possible. If having thicker walls doesn’t allow for 21700 batteries then so be it.

Having points 1-3 will widen your target demographic for dual use as a combat weapon light.

When I want to buy a “tactical light” I expect a tactical light only. I don’t need eco or moonlight modes. If I need eco or moonlight, then I’ll get a small backup flash light with those modes. I’m kinda tired of looking at “tactical” lights from manufacturers that does everything that a regular flashlight would and thus compromising the UI. If I needed extra runtime I will keep spare batteries with me. As all “duty” devices, the batteries shall be topped off every night/downtime and replaced when their capacity is diminished/compromised. I want a dedicated tactical light that will preform as expected/no guesswork and do it well. Definitely NOT a jack of all trades. Hell, Surefire was successful with having one mode lights. They are known for tanky tactical lights that cut out the bulls#!t.

Mechanical Forward Clicky in Tail (primary) and secondary Tail E-Switch (small and doesn’t impede primary). But I’m ok with a secondary body E-switch and that the switch doesn’t turn the light on. The idea to have a light that mimics a full output 1-mode light with everything else as non-priority. This is a characteristic of a true tactical light.

My UI would be this:
Primary tail switch is for constant turn on with full press/click. Half press is momentary on. Output from tail switch is always Turbo/High from off. Full output irregardless of what group you left it in. This is top priority, leave it alone.

The secondary switch is to switch groups. Side switch consists of 2 secondary modes only. Has to be “on” first to change modes so no accidental turn on/unpredictable modes from off

1-click from turbo/high = change to Medium* mode only (This mode should be consistent output throughout runtime). This mode’s purpose is if you absolutely need the runtime with usable light that is bright enough for at least medium distance (50yards)
Hold = change from Turbo/high or Med to Strobe. If anything, this mode could be programmable to have that silly eco mode instead of strobe.
1-click from Med/Strobe = Turbo/high
Hold from Strobe = Return to Medium
Also maybe, programmed to flip the 2 modes (Hold for Med/ Click for Strobe)

/The beauty of this is that you can quickly access turbo (1-click) from any group without cycling through unnecessary groups when on. Also the primary tail switch is will always be predictable with on/off constant or momentary (full output).

so yes you have to turn the light on to switch modes. Remember this a tactical light which full output is predictable and always quickly accessible no matter what.

Zia
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Make it multicolour emitter tactical with green, red and white that would be the best.
Im keeping my eye this look intresting

Zee

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