What did you mod today?

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carpmon43
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i couldnt mod anythink, babey was asleep.

!sleeping photo _MG_1331_zpswss5pt3h.jpg!

Tom E
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On a Vipon coupon for Amazon, I got a light branded TESLACOM, listed here on Amazon for $18.44, discussed here on BLF.

Finished up mods, keeping the stock driver and stock USB charging.

 

Prior to the mod the light did stock withe 4 well spread modes, on hi/max:

    585 lumens (manufacturer lumens), 15 kcd  --  way below spec'd as expected

After the mods I measured on 2 VTC6 cells at 4.19V:

    1030 lumens at start, 986 at 30 secs (manufacturer lumens), 26.5 kcd  --  much closer to specs now, in a much nicer tint

 

Here's the driver/pill components. Yea, it's pretty bad. The wires are long because they have to loop over the shelf and MCPCB, coming down to the MCPCB

 

Close-up of the driver. The MCU driving the main LED seems to be on the vertical board. The small 3 leg part appears to be a simple FET and resistors added to drop amps on the LED- connection. The MCU has the red and green aux leds connected, as well as the charging circuit:

 

 

The aux LED's are on the left and shine thru the semi-transparent switch boot. Each spring has it's own diode, probably for reverse polarity protection. The C4 cap is batt+ to grnd.

 

 

All the parts - including the tail assembly. It's a pain to start the threading:

 

The stock spring gets compressed from the PCB being screwed dowd - kind of strange. I replaced it with a brass button as shown:

 

Swapped the stiff stock springs with Blue BeCu small ones. The BeCu springs are also stiff, but I'd say slightly softer than the stock ones:

 

Changed out the stock XM-L2 CW on alum with an XM-L2 U3 3D I had laying around, and using 20 AWG instead of the stock 24 AWG. Also note I added epoxy to the top of the switch - notice a slight bulge out on the white switch below:

Decided to just jump out the resistors because there's still plenty enough of resistance in this light:

 

Shows the MCPCB wired up. Has to re-wire later though after this pic because the stiffer 20 AWG did not fit coming up - changed to coming sideways and down in order to route/fit properly.

 

I messed up and fried a trace for the switch by getting messy with the soldering of the spring. Didn't know it could happen, but created a short in the SW trace, then applying power probably fried the trace. Patched it with 30 AWG jumper and all is well now smile. White wire below is the jumper:

 

 

Not the best light for sure, but the 2 parallel cell lights always intrigued me. This one has an advantage over the old Small Sun T08 because of the e-switch, but the reflector size is much smaller with a 41.3 mm head diameter, and a 31.5 mm reflector I.D.

MRsDNF
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Terrific mod Tom. Love your work. Beer

Thanks for posting it up.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

Firelight2
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Modded my D4 some more. This time I added a lighted switch! Cool

Whewwww…. what a pain! Actually burnt out something in one D4 driver during mid-assembly testing when I didn’t realize the positive and negative driver wires for the main LEDs were touching when the star was not installed. Oops! I think the FET’s gone. Fortunately, I had another driver, so rebuilt it and kept on going.

The first problem I encountered was removing the finishing washer I had previously attached to this light.

  • It was attached with Arctic Silver thermal epoxy and I found I couldn’t lever up the switch retaining ring and remove the boot with the washer still in place.
  • Trying to cut the arctic alumina or lever up the washer didn’t work. That glue is strong!
  • I ended up having to use a hammer and chisel to get it off. Fortunately, with that method the washer came off instantly.

I had some ideas about building my own mini-circuit board for the switch LEDs out of scrap on hand. A big complication is the D4’s switch does not sit on a board. Instead it fits in a socket in the head. The switch leads come out the bottom of the switch. I needed a board small enough to fit in the light without raising above the head much.

  • First I tried some thin brass sheet with a layer of Kapton tape on top. I used tiny strips of copper tape applied by hand for traces and then soldered it all together. No luck. My switch LEDs poofed… didn’t have the right resistors. Also this felt very awkward. I was worried the kapton tape might break and cause a short.
  • Second attempt used a piece of 0.020” polystyrene sheet for the base with copper sheet on top. Unfortunately polystyrene has a low melting point and my board melted during soldering. No go.
  • Third attempt was back to the brass sheet, this time using a conductive carbon ink pen for traces. It worked during initial testing. I then coated the works with superglue to lock everything together only to discover it no longer worked for some reason. I think the LEDs poofed again since I saw a tiny bit of smoke.
  • Fourth attempt I decided to go for tried and true. I started with a basic lighted clicky switch module from I think Aliexpress. I desoldered and removed the switch and spring. Then I filed down the edges enough to verify that it could fit into the D4’s switch receptacle. Finally I drilled a whole in the center of the board, then filed it to size with a handfile. I also filed down the back of the board to make it thinner.

Here is what I started with:

And what it looked like after I worked it to shape:

The next step was to wire up the driver for the switch.

  • This was fairly tricky since the open space around the D4’s driver is tiny and there are now 8 separate wires inside: 2 for the main LED, 2 for the switch, 2 for Lexel’s bezel LEDs, and now 2 for the switch LEDs. It was in doing this wiring I accidentally burned out the FET on my driver. When I redid the wiring on my second driver I covered all exposed joints with arctic alumina epoxy for extra support and to protect against shorts.
  • I also needed a way to get the LED switch wires to the LEDs. There wasn’t any space around the switch, so I used a dremel to widen the sides around the switch socket, creating an opening. I coated the dremeled area with arctic alumina for extra ground protection.
  • With the sides of the switch socket dremeled off I found the switch no longer fit securely in its socket. I used a little fiberfix superglue to hold it in place.

Here is what it looks like with the new lighted switch LEDs installed:

I needed a new switch boot to cover the LED. I used 1mm thick translucent high temp silicone sheet from Amazon. Thanks CRX for the tip on using Silicone sheet for this! Thumbs Up

  • First I cut a circle of silicone sheet the same size as the switch socket.
  • Then I cut a very small circle to glue onto the center of the big circle to serve as the piston. I used plastic super glue activator followed by firberfix super glue. I love fiberfix because it cures instantly when you apply the little blue LED light built into the dispenser.
  • With the board for the switch LEDs installed it was no longer possible to use the switch boot retaining ring. Instead, I used more plastic activator and fiberfix to superglue the big circle onto the light. I carefully went around all the edges to make I didn’t miss any cracks and the glue formed a water-tight seal.
    Here is what it looks like with the silicone sheet on. I apologize for the blurry phone camera picture:

I then stuck the washer back onto the light around the switch with Arctic Silver Thermal Epoxy. Here is what it looks like with the washer in place (light is wrapped in tape to prevent epoxy getting on it):

Finally, to cover up the still visible switch and give it a classy feel I glued a circle of aluminum onto the center of the switch with fiberfix. Prior to gluing I used plastic activator on the silicone. I also filed the edges of the circle at an angle and roughened the underside of the circle to reduce the chance the circle might come off.

Here’s the end result:

It took a lot of effort but I’m quite pleased with how it came out. The switch looks and feels great and still has a distinct click. Due to the washer the switch is recessed reducing the chance of accidental activation (though not as much as the rubber boot did). The firmware is Pobel’s modified version of D4 Anduril with aux LED controls activated.

Agro
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Amazing. Love what you and CRX do to your Emisars. Smile

CRX
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Twins. He’s the taller better looking one Big Smile

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Firelight2/CRX, it’s always a pleasure seeing the lights you fellow put out.

For today all I have is a mod of the tint coming off of some lights.
(Actually I posted this as an OT on another thread that dealth with “Painted Collars” for purposes of harnessing forward light but figured this might be more appropriate as a Mod topic.)

I observed that a fair amount of tint-shift results from stray light from the sides of prone emitters. In my experiments, I placed “Magenta Collars” around the perimeter of emitters in an effort to filter out green, with some success.

Some of my earlier experiments that were successful, ultimately failed but did put me on my current track.

Here is an example of what I earlier called a “Magenta Collar” attached around the cavity of a LED spacer -

It would be placed inside a light such as this -

Notice the tint affecting primarily the side off-angle light which appears at center bottme of the reflector -

And here are the results of original beam (on left) and beam after a Magenta Collar (on right)-

The same light, with the same emitter, taken at the same exposure and white balance, with the only difference being the Magenta Collar! The green is reduced without dramatically tinting the rest of the beam as a lens tint filter might.

I mentioned that my experiment with the Magenta Collar failed, that was primarily because the plastic melted from the high heat of the LED. I suppose a collar made of higher heat capable material could be done but I’ll leave that for others to pursue.

My latest experiment (photo below), involved directly tinting the led itself rather than a separate collar. Here for example is an XP-G3 (notorious for green tint-shift) where I magenta tinted directly on the bottom perimeter edge of the led itself. It was equally as effective in reducing green tint-shift in the beam. This approach was also less construction dependent. (Sorry no before/after photos for comparison as removing the tint from the emitter dome is more involved than simply removing a physical Magenta Collar from a spacer.)

This magenta collar approach could be something for fellow tint-snob to consider to help with (but unfortunately not entirely eliminating) green tint-shift. It has the added benfit of less light loss than lens filters.

In any event, I’m putting this out there for consideration. Perhaps someone can make Magenta Collars available commercially.

(3D printer anyone? Or BanL/BG interested?)

Move towards the light.

djozz
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That is very clever and succesful pc_light! What did you use for colouring the led?

pc_light
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djozz wrote:
That is very clever and succesful pc_light! What did you use for colouring the led?
Magenta Ink from my HP printer cartridge. A very little goes a long way.

Move towards the light.

MRsDNF
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There a some really nice mods here as well as creative. Thanks for posting up. Beer

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

Lightbringer
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pc_light wrote:
This magenta collar approach could be something for fellow tint-snob to consider to help with (but unfortunately not entirely eliminating) green tint-shift. It has the added benfit of less light loss than lens filters.

Nice! All the LuxPro lights I got recently have that nasty and very prominent urine-yellow corona from the G3s, which LP seems to use exclusively. Even when I pulled off the head and left the bare chip (ie, used as mule, no reflector or anything) and held it near a wall, you can see the nasty-ass yellow haze around the periphery, and a decent white center.

I’m wondering if inking the dome itself would do anything, and not catch fire in the process. Guess it depends on how heat-resistant is the ink and carrier, and how hard you’d push the LED.

09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

moderator007
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This thread is just one big modding handbook. Nice job everyone and thanks for sharing. Thumbs Up

pc_light
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Lightbringer wrote:
pc_light wrote:
This magenta collar approach could be something for fellow tint-snob to consider to help with (but unfortunately not entirely eliminating) green tint-shift. It has the added benfit of less light loss than lens filters.

Nice! All the LuxPro lights I got recently have that nasty and very prominent urine-yellow corona from the G3s, which LP seems to use exclusively. Even when I pulled off the head and left the bare chip (ie, used as mule, no reflector or anything) and held it near a wall, you can see the nasty-ass yellow haze around the periphery, and a decent white center.

I’m wondering if inking the dome itself would do anything, and not catch fire in the process. Guess it depends on how heat-resistant is the ink and carrier, and how hard you’d push the LED.

Geez the entire dome, might be a stretch. Perhaps just try very light magenta at first and not for long. That way you can wipe it off before it gets somewhat caked on.

I can’t speak for other inks but the HP stuff is top shelf. Inkjet inks are actually sort of quasi-vaporized as part of being deposited onto papper/media so (I’m hoping) heat isn’t a problem.

Move towards the light.

Lightbringer
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pc_light wrote:
Geez the entire dome, might be a stretch. Perhaps just try very light magenta at first and not for long. That way you can wipe it off before it gets somewhat caked on.

Nnnnnnoooonononono, nono. I mean just ink a band around the periphery of the dome, not the whole thing. Ie, similar to your “collar” but done directly on the dome itself vs a separate doodad.

Picture your collar as a piece of heatshrink tubing, and shrink it in-place so that it just wraps around the bottom of the dome nearest the mcpcb. Like that, only done in ink vs tubing.

Doing the whole dome would also color the spill and everything else. Talk about a “rosy” tint…

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Lightbringer wrote:
pc_light wrote:
Geez the entire dome, might be a stretch. Perhaps just try very light magenta at first and not for long. That way you can wipe it off before it gets somewhat caked on.

Nnnnnnoooonononono, nono. I mean just ink a band around the periphery of the dome, not the whole thing. Ie, similar to your “collar” but done directly on the dome itself vs a separate doodad.

Picture your collar as a piece of heatshrink tubing, and shrink it in-place so that it just wraps around the bottom of the dome nearest the mcpcb. Like that, only done in ink vs tubing.

Doing the whole dome would also color the spill and everything else. Talk about a “rosy” tint…

Oh, my mistake, I think Magenta Collarring could help. That’s exactly what I did with the XP-G3 (photo in earlier post).

It doesn’t show in the photo because it’s on the slightly more vertical part of the dome curve but the magenta reflection at the base of the reflector is from the tinted thin band/stipe maybe 1 mm directly around the base of the emitter dome. The theory of the case being a green filter of the stray horizonal light responsible for green-tint shift.

Do post any before & afters with your trials. The more experience with different emitter/reflector configurations, the better.

Obviously with a de-domed emitter, there’s no dome to tint so no help there.

Move towards the light.

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pc_light wrote:
Obviously with a de-domed emitter, there’s no dome to tint so no help there.

Actually, if it’s the thicker layer of phosphor around the sides that’s yellowing the beam, de-greening it by painting “the sides of the box” might in fact help tremendously.

09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

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I wonder if the printer ink will melt and run around inside your light if you run the light on turbo for awhile.

pc_light
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Firelight2 wrote:
I wonder if the printer ink will melt and run around inside your light if you run the light on turbo for awhile.
Anything’s possible so modders be warned.

BUT, fortunately it hasn’t happen (yet) on the lights I’ve tried, whereas my earlier attempt with a separate plastic collar melted. And, a miniscule amount of ink is used. I probably gave the wrong impressions when I previously mentioned the ink “caking”, misleading choice of words. Really I mean the ink drying out on the dome material.

The coloration should really be just a clear, almost like AR lens coating, tint and not an opaque layer.

Move towards the light.

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I modded a C8+ Desert Tan with a white flat, warm white/gold lighted tail switch, and LD-A4 driver 5A from led4power.com. It's a mini light saber! I don't have the exact figures but it looks like it easily beats my L2 with a MTN buck driver 5.1A driving a XP-L HI. Next I will put a white flat in the L2…

Here’s a couple of images of my C8+

https://photos.app.goo.gl/noPF8fdp6tfEWei77

Acebeam L16, BLF Q8, BLF A6, BLF FW3A, Convoy L2, Convoy L6, Convoy C8+ , Convoy S3, Convoy M21A, Emisar D4, Jaxman E2L, Olight S1R Baton II special edition series, S2R Baton II, Nitecore HC65.

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djozz wrote:
ZozzV6 wrote:
Putted one Osram white flat in my Brinyte B158B
You are not allowed to post this without numbers Flat Stare

Tadaaaa:
B158B 4,55A 13×7135 driver: 345500cd

Same driver and led in Convoy C8+: 209000 cd

Same driver and led in Eagle eye X6(still need some focusing because I’m not happy with numbers): 117000 cd

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moderator007 wrote:
I hardly ever post here but seemed like a good place to put this Wink .
I have been playing with the new model Jet-Beam RRT-01 for about a week now. The light will except a 16340 or 18650 battery.
I got to measuring the outside of the battery tube and noticed it was only about 2mm bigger than a 18350. Well that’s about the same diameter tube as a Sunwayman V11R.
If Jet-Beam can make a 18350 fit in a 20.3mm tube then so can I. I hadn’t played with the lathe in a while so I thought this would give us some time to get reacquainted.
Bored the Sunwayman V11R tube to fit a bigger, badder, more capacity 18350.
.

.

.

Took me about 30 minutes to bore, took my time.
Took me twice that for setup, I had to make sure both ends were running true so I didn’t end up with a hole in one side. Facepalm
I figure there’s about .7mm left in the smallest part of the tube. Big Smile
The driver has been modded and the led swapped for a LH351D 4000k 90cri making a little over 1000 lumens plus a lighted switch and now powered by a 18350 Aspire battery.


Very nice Love I had considered this before but never followed through with it. Nice to know it can be done Thumbs Up
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First post, but – as per zak.wilson’s post re: Wowtac A2S and LH351D (SPHWHTL3DA0GF4RTS6), I did an emitter swap today. Didn’t think to take too many photos as I had some time pressure, but I think I did it the hard way – removed the battery terminal end, desoldered, and then took the emitter board out, and swapped it. Really should take beamshots…

I really should have thought that one out longer. There had to be a better way to remove the board. Resoldering the four wires from switch and emitter was NOT fun.

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ZozzV6 wrote:
djozz wrote:
ZozzV6 wrote:
Putted one Osram white flat in my Brinyte B158B
You are not allowed to post this without numbers Flat Stare

Tadaaaa:
B158B 4,55A 13×7135 driver: 345500cd

Same driver and led in Convoy C8+: 209000 cd

Same driver and led in Eagle eye X6(still need some focusing because I’m not happy with numbers): 117000 cd


Thanks! And interesting: my clear C8 with dedomed XP-G2 S4 2B does 180kcd, so that is 16% improvement for the white flat. My B158 with XP-G2 S4 2B does 322kcd, so that is 7% improvement. So YMMV probably depending on individual led differences.
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djozz wrote:
ZozzV6 wrote:
djozz wrote:
ZozzV6 wrote:
Putted one Osram white flat in my Brinyte B158B
You are not allowed to post this without numbers Flat Stare

Tadaaaa:
B158B 4,55A 13×7135 driver: 345500cd

Same driver and led in Convoy C8+: 209000 cd

Same driver and led in Eagle eye X6(still need some focusing because I’m not happy with numbers): 117000 cd


Thanks! And interesting: my clear C8 with dedomed XP-G2 S4 2B does 180kcd, so that is 16% improvement for the white flat. My B158 with XP-G2 S4 2B does 322kcd, so that is 7% improvement. So YMMV probably depending on individual led differences.

And it also can be more or less difference because of measurements error. And the XP-G2 only make that performance fully charged. Osram can maintain better when battery depletes because of low forward voltage
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Modded Q8 with Luxeon MZ: https://led4power.com/product/luxeon-mz-5000k-90cri-led-lmz9-qw57-38mm-b...
And in 2nd step I bridged the springs.
Stock LED: 5200 Lumen
Stock LED Bypass: 6500 Lumen
Luxeon MZ: 7000 Lumen
Luxeon MZ Bypass: 10000 Lumen

I noticed no stepdown but the flashlight was realy hot.

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4 donuts? or it’s just too bright to notice? Smile

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Well I reckon I’m gonna have to get an image hosting service so I can post pics of my project. Who says P60 is dead? I started with a 2” diameter 6061 aluminum barstock today and started boring and threading some parts together, using an old infared P60 dropin for the dimensions. The plan is to have a triple emitter P60 built by someone since electronics arent my strong point, and my host is to be heavily finned and slotted for heat dispersion. Its coming along well but I havent decided on a dropin yet. Really it depends on how much the wife lets me spend haha. May have to get a cheaper one from Kaidomain for now and wait on a Sky Lumens or PflexPro for later. Boring the body for 26650 and a sleeve for 18650 option. My first flashlight build but Ive been machining for my entire life.

Lurking flashaholic, Ive bought all my flashlights through lurking here, BLF A6, Sofirn C8F, Soforn Q8, Emisar D4, and a few not so budget lights but I mod them all the same! Been waiting for the FW3A to come out for years now.......

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That's pretty insane! 10K lumens at 90 CRI in a Q8. The spring bypasses made a huge difference. I thought the dual springs were better than that, but I always pull the inside ones and replace with a bypass.

That must be 8+ amps per LED. Did you need anything special for centering, or drilling out the reflector holes?

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Tom E wrote:

That’s pretty insane! 10K lumens at 90 CRI in a Q8. The spring bypasses made a huge difference. I thought the dual springs were better than that, but I always pull the inside ones and replace with a bypass.


That must be 8+ amps per LED. Did you need anything special for centering, or drilling out the reflector holes?

I have a quad MZ that I measured at 28 amps on a single 18650. You can bet this is pulling at least 8 per

Tom E
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Wieselflinkpro wrote:
Modded Q8 with Luxeon MZ: https://led4power.com/product/luxeon-mz-5000k-90cri-led-lmz9-qw57-38mm-b... And in 2nd step I bridged the springs. Stock LED: 5200 Lumen Stock LED Bypass: 6500 Lumen Luxeon MZ: 7000 Lumen Luxeon MZ Bypass: 10000 Lumen I noticed no stepdown but the flashlight was realy hot.

Please provide us more info if you could. Did you measure throw? How's the beam - does it have a significant hole? Are those 10K at startup and calibrated with maukka lights?

 

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