Thrunite TN 42 ,a new record in Throw

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Xandre
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southland wrote:
Is this a re-badged K70, does it use the same reflector?

K70 is 88mm head diameter

TN42 is 100mm

Regards Xandre

mhanlen
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Looks awesome. I don’t like battery situation personally, but it’s the new king!

southland
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Xandre wrote:
southland wrote:
Is this a re-badged K70, does it use the same reflector?

K70 is 88mm head diameter

TN42 is 100mm

Regards Xandre


Thanks, now if someone can do a head to head between the two. Would be interested in one if it beats the K70 and we can get a good price.
DB Custom
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Mike, they offer a TN42C that takes a proprietary rechargable pack or the TN42 that takes 18650’s. Wink Same performance from either, so they say.

Dale

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Tumbleweed48 wrote:
Really impressive, but really specialized. I cringe at “850 grams / 200 mm x 100 mm / shoulder strap”.

This one needs a mounting bracket for carrying in a motor vehicle. This is not a ‘walk the dog’ light by any means.

But I still want one. Big Smile


Are you talking about TN42? It is 666g including batteries.
Koenta
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Which one do you guys bought, the NW or CW. Normal I prefer CW. I can’t decide which one to buy. And use the coupon TN42 for 10% off.

warzi1975
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I bought the CW one without battery pack.

Robert

DB Custom
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TN42 in cool white for maximum throw. Wink (got lots of cells and more on the way)

Dale

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DB Custom wrote:
TN42 in cool white for maximum throw. Wink (got lots of cells and more on the way)

Good for you. Wink
DB Custom
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Even have the new 18650 cells with a built in charger via mini USB at the positive end of the cell on the way.

That’s right, plug a charging cable into the cell itself and charge it from a back-up power supply or the USB port on the computer or car. No bulky charger to keep up with. Wink

Dale

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Dale , reading your post (#28 on this thread) , the best results (performance wise) should be using Sony VTC5*A* batteries .

Next option should be VTC6 , with a bit better runtimes and performance very close to VTC5A .

Last option for better runtimes should be Ncr18650ga (and i would estimate less performance ).

Just my thoughts , based on batteries i tested and results i got .

Theodore41
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giorgoskok wrote:
Dale , reading your post (#28 on this thread) , the best results (performance wise) should be using Sony VTC5*A* batteries .

Next option should be VTC6 , with a bit better runtimes and performance very close to VTC5A .

Last option for better runtimes should be Ncr18650ga (and i would estimate less performance ).

Just my thoughts , based on batteries i tested and results i got .


My experience between some 18650 batteries,is that between GA and 30Q,the latter have better performance.
amaretto
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giorgoskok wrote:
…best results (performance wise) should be using Sony VTC5*A* batteries .

High drain cells are not neccessary (max. 2.2 amps) and the TN42 is fully regulated. It doesn’t behave like the K70 which has a stepdown first and later continuosly gets darker and darker. I used regular high capacity protected cells in my runtime test:
http://www.taschenlampen-forum.de/threads/thrunite-tn42-review-test-erfa...
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amaretto wrote:
giorgoskok wrote:
…best results (performance wise) should be using Sony VTC5*A* batteries .
High drain cells are not neccessary (max. 2.2 amps) and the TN42 is fully regulated. It doesn’t behave like the K70 which has a stepdown first and later continuosly gets darker and darker. I used regular high capacity protected cells in my runtime test: http://www.taschenlampen-forum.de/threads/thrunite-tn42-review-test-erfa...

Battery configuration is 2S2P .
Do you mean 2.2 amps from the whole pack ?

DB Custom
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2 series cells for 8.4V at 2.2A each cell is still doing 2.2A. [Edit: add another 8.4V battery in parallel and the amperage stays the same, capacity doubles, so all 4 cells should be seeing that 2.2A and with say an Efest 3500mAh there should be 7000mAh capicity, is that right? I tend to not be sure how this all works, since I’m so forgetful.]

So any cell can do that. Panasonic B’s come to mind, or the new Efest metallic purple 3500mAh. Wink

Dangit! I just got 2 of those and 2 3000’s! Ugh, why wasn’t I thinking? Oh, yeah, I also just got 8 Samsung 30Q’s. Nevermind. Still though, 4 3500mAh would be max run time possible, might have to snag another set and get 4 this time as I put the spare cell circuitry for my new TM03 onto one of those 3500’s. Wink

Dale

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Running the light with just 2 cells is working too. Just reduced runtime.

DB Custom
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I don’t guess y’all opened the sample up to see what the driver layout looks like by any chance? Wink

Seems like they’re probably running the XHP-35 at around 1.8A, maybe 1.5. I’ve got one running 3.13A and making 2986 lumens in a Convoy L2 off of Neven’s LD2 with modifications. Wondering if a bit of a bump might be viable for this one. Hmmmm….. dang light hasn’t even shipped and I’m already planning it’s demise. lol

Edit: I DID notice that in y’all’s measurements it hit some 647Kcd, 20’ shy of a mile. Impressive!

Dale

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I can tell you that the TN42 on Turbo (constant brightness without stepdown like the K70) after 10 minutes running is about 50’ degrees. To hot to hold.
What temperature would it be if you run the XHP35 higher? I think Thrunite made it this way because of safety purposes.

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Is there a single cell driver for an XHP35 out there anywhere besides this one?

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djburkes wrote:
Is there a single cell driver for an XHP35 out there anywhere besides this one?

(Single cell 1A with & without side switch)
(Single or Dual Cell 1.5A without side switch)

amaretto wrote:
I can tell you that the TN42 on Turbo (constant brightness without stepdown like the K70) after 10 minutes running is about 50’ degrees. To hot to hold.
What temperature would it be if you run the XHP35 higher? I think Thrunite made it this way because of safety purposes.

TaoBao official shop’s seller told that they regulated the XHP35 to 2000 lm (CW) to minimise the risk of “smoking” cases like K70:)
My two K70 both “smoking”…. Haha, even after I changed one of them to NW, it still “smoking”…. (I tried Alchohol, Flux Off, AC11 cleaning, etc… but still failed)

CWK

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Quote:

TaoBao official shop’s seller told that they regulated the XHP35 to 2000 lm (CW) to minimise the risk of “smoking” cases like K70:)
My two K70 both “smoking”…. Haha, even after I changed one of them to NW, it still “smoking”…. (I tried Alchohol, Flux Off, AC11 cleaning, etc… but still failed)

What do you mean “smoking”?
djburkes
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wkhchin81 wrote:
djburkes wrote:
Is there a single cell driver for an XHP35 out there anywhere besides this one?

(Single cell 1A with & without side switch)
(Single or Dual Cell 1.5A without side switch)
amaretto wrote:
I can tell you that the TN42 on Turbo (constant brightness without stepdown like the K70) after 10 minutes running is about 50’ degrees. To hot to hold. What temperature would it be if you run the XHP35 higher? I think Thrunite made it this way because of safety purposes.
TaoBao official shop’s seller told that they regulated the XHP35 to 2000 lm (CW) to minimise the risk of “smoking” cases like K70:) My two K70 both “smoking”…. Haha, even after I changed one of them to NW, it still “smoking”…. (I tried Alchohol, Flux Off, AC11 cleaning, etc… but still failed)

Yeah, I ended up sending my K70 back because of the smoking issue, the driver whining, and because a few of the lower modes wouldn’t work.

djburkes
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The 1.5A would be nice but I don’t know if I can fit a 22mm driver in my M25C2 Turbo. It’s got a 92mm head, I’ve got a fet and a dedomed XM-L2 in there right now. The XHP35 HI foot print is a little smaller than the XM-L2 so it should throw further.

DB Custom
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Thanks, appreciate the feedback. If they’re getting that close to a mile out of that reflector with “only” 2000 lumens then I see no real need to worry about bumping output. Dependability is a crucial factor in a search/spot light, sure don’t want it to fail during use for that last little tweak.

Dale

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I understand that you have huge hands,so as to handle such a beast.I have the K70 and it is rather difficult for me to handle it easy. Smile

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I have small hands. I don’t expect much to be easy.

(edit: as a matter of fact, if something is too easy I tend to find a harder way to do it. No idea why. The challenge maybe. )

Dale

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djburkes wrote:
…….. The XHP35 HI foot print is a little smaller than the XM-L2 so it should throw further.

XM-L2 may have bigger die but the emitting area is much smaller than XHP35. My understanding is they throw nearly the same due to the similar lumens/area, but the XHP35 has higher lumens as it consume higher energy (wattage).
Left to right: XP-L HI, XM-L2 (dedomed halfway), XHP35 HI. (Sorry for dirty emitters, no cleaning done yet:))

Theodore41][quote wrote:

What do you mean “smoking”?

There is a Thread about K70 issues.
Youtube – I posted a clip of both my K70 with “smoking”. Actually some one corrected me that it is not smoke (too serious), but kind like “fume” cause by evaporation of tiny particles or residuals on the emitter surface or the reflow base. It is due to very high heat of the emitter (changed to cooler tint at level 5 and 6) by overdriving the XHP35.
XHP35 rated only 1A in their spec, we all pushing it ~3 times higher. For such a small die LED, the wattage (40++ W) is “world record” already.
(XM-L2 rated 3A, some push it to 7.2A which is 2.4 times only.)

CWK

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wkhchin81][quote=djburkes wrote:
…….. The XHP35 HI foot print is a little smaller than the XM-L2 so it should throw further.

XM-L2 may have bigger die but the emitting area is much smaller than XHP35. My understanding is they throw nearly the same due to the similar lumens/area, but the XHP35 has higher lumens as it consume higher energy (wattage).
Left to right: XP-L HI, XM-L2 (dedomed halfway), XHP35 HI. (Sorry for dirty emitters, no cleaning done yet:))
Theodore41 wrote:
Quote:
What do you mean “smoking”?
There is a Thread about K70 issues. Youtube – I posted a clip of both my K70 with “smoking”. Actually some one corrected me that it is not smoke (too serious), but kind like “fume” cause by evaporation of tiny particles or residuals on the emitter surface or the reflow base. It is due to very high heat of the emitter (changed to cooler tint at level 5 and 6) by overdriving the XHP35. XHP35 rated only 1A in their spec, we all pushing it ~3 times higher. For such a small die LED, the wattage (40++ W) is “world record” already. (XM-L2 rated 3A, some push it to 7.2A which is 2.4 times only.)

Geez, thanks for bursting my bubble Wink It’s better that way, no need to disassemble it again, lol. I’ve got a couple of old S4 2Bs laying around, they’ll shoot down range a little further but I’d rather have the bigger beam of the XM-L2.

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My TN42 will be here tomorrow. Smile
Excited a little, lol.

Dale

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Yeah…I bet you are

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