Thrunite TC20 - XHP70 - 3800lm

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komeko
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I bought two LEDs from Simon and I was satisfied so I can buy something from him again.

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DB Custom
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Mike, maybe you should talk to Thrunite about it and see if they will replace it. Sounds squirrelly to me…

komeko
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Well, I could not stand it :), but too much of this bile.
I decided to check what the scalping of the diode is giving.
The plate is thick 2mm, copper and really solid. Diode like a diode. The paste is not evenly applied, and the centering diode is probably cut by the child.

First, I cleaned the edges and lightly cut them. Of course, it did not give anything, as the crown was yellow, it still is. The next step is total scalping. Effect? Hmmm suck. So it flew the color temperature from 4959K to 4154K.

Of course, the crown is still yellow, generally everything is yellow now. Concentration increased as one could expect, but not terribly. I do not like the end result so I ordered a new diode from Fasttech N4-3A and we’ll see what it will be like. This is my favorite shade, 3A, but what about the crown? We will find out about it in a month :). I was looking for the LED CRI90 or M4 or M2, but nobody has it (5000K).

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DB Custom
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The 70.2 is a flip-chip technology emitter, meaning the connections are on the bottom of the chip, no bond wires. As such you can clear more of that phosphor away, right up to the edge of the die itself, and this clears up a lot of the yellow aura. Also helps to tighten the hot spot.

I bought a scalpel and a lot of blades for it, have found that if I hone and polish the scalpel blade and use a bit of silicone grease on it the resulting slice across the die face to remove the dome is nice and smooth…. it takes a single stroke slice action, not a push but a slice across in a continuous motion, this nets the smoothest cut for me and the result is a nicer beam profile. YMMV

DB Custom
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Here’s a 50.2 in a little copper X5…

robo819
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Hmmmm a square MCPCB? mine is round on the one I have.

EDIT: komeko , Am I missing something or is that really the centering piece that came in your TC20? Mine has a perfect round one like it should that came in the light.

Here is the LED in my TC20 as Dale mentioned in his post above after I sliced and diced it………..

And here is what the beam looks like at 20 feet on medium / High / Turbo ….(Exposure cut back a little so pictures didn’t wash out)


And here at 100 yards from gate on High and Turbo with normal settings I use on all my beamshots…….

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Maxtoch M24 Sniper / Maxtoch 2X Shooter (2016 factory dedomed) , 2X - XHP 70.2 / Maxtoch Xsword / M1 Archer *** ### ThruNite // Archer 2A V3 / Ti4T / TN4A HI / TH10 / TH20 / C2 Mini / TC12 V2 / T01 /  , neutron 2C V3 , TC20 / Catapult V6 / TC15 / TC15 CE *** ###  Olight // H2R Nova , S10R III / S30R III / H1 Nova / H1 R Nova / X7 Marauder , PL Mini ,  M2R warrior //// Orca T11 / Nitecore EC20 / BLF A6 / Custom Convoy C8 / Lixada Triple 3800LM / Lixada 1000LM / LuxStone X30 / Manker E02 / Manker E14 II /  ### Thorfire /// PF03PF04 , Upgraded PF04 , C8 , S-50 ,  VG-10 , VG25 , C8s , BL30 , TK4A  , S1 , VG15 S  , TK 18 //// ##WowTac// A4 , A1 (original) , A2 headlamp , A3 //// Acebeam L16 /// Massdrop (Lumintop) Brass EDC

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This or the Rofis… This or the Rofis… or this or the Astrolux MF-01… (they’re all close to the same price)

So, if ya’ll had ~$75 to spend on 1 light, what would ya’ll get?

komeko
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The TLC forum has already reported that the first versions had a round tile and the newer ones have a square one. Picture from that forum:

Further shaving of the diode will not do anything, it will blow yellow and that’s it. I am waiting for a new diode 3A and then we will see how it will be.
At this point, all my flashlights have the same color as in the chart:

Everything under the BBL line is cool. H03 has a very delicate bile symptom, so small that it practically can not be seen.
I’ll see what I can do to make TC20 like it too Smile Maybe the N4-3A diode will be what I need.

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komeko
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robo819, and you shaved CW or NW?
Mine was NW. Maybe CW is better after shaving.

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robo819
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Not shave the emitter more , but get right to the very edge of the die itself and get all of the yellow off the edges of the substrate, that is where the biggest part of the yellow comes from. Mine was a yucky mustard yellow almost when I sliced the dome only , but then the tint changes considerably when the extra yellow is taken off the edges around the main die.

I just used an Exacto blade and cut straight down on all sides of the die to the substrate and then gently used the back of the Exacto blade to remove the excess phosphor around the edges , being very careful not to hit the phosphor on the die itself.

Mine is / was cool and yes the cool is much better for shaving or dedoming as a neutral will end up too warm most of the time

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Maxtoch M24 Sniper / Maxtoch 2X Shooter (2016 factory dedomed) , 2X - XHP 70.2 / Maxtoch Xsword / M1 Archer *** ### ThruNite // Archer 2A V3 / Ti4T / TN4A HI / TH10 / TH20 / C2 Mini / TC12 V2 / T01 /  , neutron 2C V3 , TC20 / Catapult V6 / TC15 / TC15 CE *** ###  Olight // H2R Nova , S10R III / S30R III / H1 Nova / H1 R Nova / X7 Marauder , PL Mini ,  M2R warrior //// Orca T11 / Nitecore EC20 / BLF A6 / Custom Convoy C8 / Lixada Triple 3800LM / Lixada 1000LM / LuxStone X30 / Manker E02 / Manker E14 II /  ### Thorfire /// PF03PF04 , Upgraded PF04 , C8 , S-50 ,  VG-10 , VG25 , C8s , BL30 , TK4A  , S1 , VG15 S  , TK 18 //// ##WowTac// A4 , A1 (original) , A2 headlamp , A3 //// Acebeam L16 /// Massdrop (Lumintop) Brass EDC

komeko
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keithd wrote:
This or the Rofis… This or the Rofis… or this or the Astrolux MF-01… (they’re all close to the same price)

So, if ya’ll had ~$75 to spend on 1 light, what would ya’ll get?

Rofis does not have NW, it’s just cold white and I do not like it. Of the two, I would choose MF-01 but UI is bad so I would probably change the driver on NasilM

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sp5it
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komeko wrote:
I was looking for the LED CRI90 or M4 or M2, but nobody has it (5000K).

I wait for those too Smile
Mike

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klrman
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komeko wrote:
The TLC forum has already reported that the first versions had a round tile and the newer ones have a square one.

 

Isn't a square one less efficient because of less mass?  Just wondering if Thrunite was cheaping out on the new batch.

komeko
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It is not less efficient. What counts is the rate of heat dissipation on the casing, and this ensures copper and good contact (paste and pressure). The surface itself no longer matters, especially such a size difference.

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klrman
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komeko, thanks for the explanation  

DB Custom
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Call it like you see it I guess, I sure wouldn’t power up a 70.2 on that square MCPCB. The larger round MCPCB makes more surface contact with the host body, I usually recut the emitter shelf on an L6 so it can take a 26mm MaxToch MCPCB for example, then push it to 20A or more for in excess of 9,000 lumens. Depends on how far you’re taking it of course, but I like to use maximum contact surfaces… go big or go home. Wink

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That's why I asked the question as it did not make sense in  my mind to make it square, thanks DB!  

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OK, I have not followed thread recently. But I see a lot of MODS that were done to improve light? I will order the TC20 CW version. What should be done for better throw, tint color, spill? OR leave as is. Anyone on here with keen knowledge or do MODS for small fee? Please advise. Thanks.

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Any tips on getting the bezel off? Does it just screw off with enough force?

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keithd wrote:
This or the Rofis… This or the Rofis… or this or the Astrolux MF-01… (they’re all close to the same price)

So, if ya’ll had ~$75 to spend on 1 light, what would ya’ll get?

Rofis MR70 and TC20 are similar, but those two are quite different from MF-01

.
Do you want a fat body super flooder? Then get the MF-01

If you want a light for an all-around use that’s a nice size to pocket and carry? Then the MR70 or TC20.

  • TC20 shorter length than MR70
  • TC20 better knurling than MR70
  • TC20 has NW option, MR70 does not

If you’re OK with the above differences and you really like that diffuser side light, then get the Rofis.

.
My personal choice between those two? …TC20

….And after you buy the TC20 you can begin saving up for the MF01 Big Smile

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Thrunite got me anyway, the Catapult V6 announcement got me by the short hairs and I pre-ordered immediately. Silly

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The Catapult V6 looks like a great light for the size.

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Then again, so does the TC20. Wink

To be honest, they got me with the diamond knurling, the big diamond block knurling. I’ve got normal knurling on most everything, but only have that diamond look on one or two and I’ve liked the Catapult V5 for a long time, just never got one. So now they’ve made it compact, 26650 WITH included cell, and built in charging at 2A, utilizing the XHP-35. How could I resist? AND they’re offering the same 20% discount as on the TC20, win win either way, so while I already have plenty of general purpose style lights for out here in the country a compact thrower is a welcome addition.

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Had to get the Catapult V6 too, just what I was looking for.

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DB Custom wrote:
Then again, so does the TC20. Wink

To be honest, they got me with the diamond knurling, the big diamond block knurling. ………………….


I also really like diamond / pineapple knurling. I almost bought a MecArmy PT18 because of it, but the tail cap kind of turned me off.

For some reason I like the look of that knurling better on the thinner 18650 tube. It appears deeper on that one too. I’d like the V6 head on the V5 tube.

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The diamonds on the V6 are spread around a fatter tube, and the lighting is different for the two flashlights, they aren’t side by side but photoshopped into the same frame. I like the consistency, they didn’t change the pattern even though it’s on a different sized tube, taking a 26650 instead of 18650 like the V5.

I also like that it’s half the price, the V5 is running about $120 at the moment.

In the TC20 they also show the consistency in the defined knurling, so the brand continuity is solid which is a good thing. They know what they’re about and they don’t feel the need to change everything up all the time. I may still wind up getting the TC20 as it’s such a unique and surprisingly small light, making quite a lot of lumens for the package size. For anyone starting out, these two would make good companion lights, the general purpose more floody TC20 and the longer range throwy Catapult V6. Both have built in charging and both take the same (supplied) cell. This would be a great place to start for someone looking to get into flashlights….

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That Thrunite V6 is tempting and my Kershaw Launch 1 needs a flashlight buddy.
Thrunite TC 20 is my Benchmade Adamas 275 sidekick .

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DB Custom wrote:
The diamonds on the V6 are spread around a fatter tube, and the lighting is different for the two flashlights, they aren’t side by side but photoshopped into the same frame. I like the consistency, they didn’t change the pattern even though it’s on a different sized tube, taking a 26650 instead of 18650 like the V5.

I also like that it’s half the price, the V5 is running about $120 at the moment.

In the TC20 they also show the consistency in the defined knurling, so the brand continuity is solid which is a good thing. They know what they’re about and they don’t feel the need to change everything up all the time. I may still wind up getting the TC20 as it’s such a unique and surprisingly small light, making quite a lot of lumens for the package size. For anyone starting out, these two would make good companion lights, the general purpose more floody TC20 and the longer range throwy Catapult V6. Both have built in charging and both take the same (supplied) cell. This would be a great place to start for someone looking to get into flashlights….

I’m not saying I don’t like the V6, I agree on all points. But aside from the photography I just feel diamond knurling looks better on a thinner tube.

I’ve been trying to decide on a new pocket thrower, and the V6 is now added my decision list:

  • Catapault V6
  • Utorch UT02
  • Emisar D1S
  • Maeerxu M8

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DB Custom
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The UT-02 is pretty compact, nice light to be sure. Really needs a bit of current boost but thats not difficult, the hard part is not overdoing it! lol

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DB Custom wrote:
The UT-02 is pretty compact, nice light to be sure. Really needs a bit of current boost but thats not difficult, the hard part is not overdoing it! lol
I’d like to see a photo of a TC20 along side of UT02 for size comparison.

"Over 2000000 hours (about 200 years) standby time"  (DQG Tiny 4th)

"27,157 results for zoomable flashlight" (ebay)

 

 

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