Lumintop GT nano on the way

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jon_slider
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mortuus wrote:
why lumintop refuses 10440 tubes is beyond me…

I think you misunderstand, they never promised a free extra body.

I think they want to sell all the 10180 lights before they start producing 10440 lights.

M4D M4X wrote:
Lumintop GT nano with 10180 and 10440 tube

I can see why you would wishfully think they would sell one head with two bodies, but I think what they mean is they will sell two different models, one w 10180 body, and another w 10440 body. Both with a Head on the body.

It makes no sense for a flashlight company to give away free body tubes, or to even make them without a head.

when I see this pic, I see two complete and separate flashlights:

M4D M4X wrote:

the one on the left is not yet offered for sale. the one on the right you can buy today…

MascaratumB
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jon_slider, my friend, I hope you are well Wink

I’ll have to disagree with you in some points here, as I guess in this case your assumptions are not completely corret.

Going through M4D M4X, aka Martin, posts on this thread, and others, you will see that the 10440 version was supposed to exist from the beginning!
You can see mortuus post #4 already talking about the 10440, so it was an initial option…
https://budgetlightforum.com/comment/1521509#comment-1521509
It would be to precocious to talk about a 10440 version if it wasn’t advertised 3 posts before on the OP.

Initially – if I am not mistaken – both “versions” were supposed to exist, and a similar picture to the one posted above was in OP, later retrieved due to the confusions, delays, postponings and reactions we had concerning the non-existence of the 10440 version, mostly due to that “bad decision”. I can’t remember if the photo was posted originally or later on, though.

Martin’s reports are here:
https://budgetlightforum.com/comment/1705696#comment-1705696

M4D M4X wrote:

Lumintop tested their samples with 10440 and saw the LEDs go blue
(no idea under which circumstances – and if 1% did not match their goals or 10) 
so they skipped that option….

i guess they did not want to have people ranting about damaged lights 
we will see why that happened and what needs to be enhanced 


the lights have not even arrived and get a lot negativity Sad

i am sure the BLF will again show how it needs to be done to go the last mile Wink

https://budgetlightforum.com/comment/1710574#comment-1710574

M4D M4X wrote:

Seems a budget desicion screwed the nano…


I saw a picture of a Aluminum MCPCB


Facepalm


I hope they consider a V2 with copper MCPCB capable to run with 10440…

https://budgetlightforum.com/comment/1710735#comment-1710735

M4D M4X wrote:

they even tested with 10440 as we asked for 
but someone was going cheap and ordered components for it that prevents the light to shine ( Wink )

they saw the LED go blue  and decided to skip the power option

So, there was no plan to first sell 10180 and the 10440 versions. Those were supposed to be the same light!
Martin said what happened, so now we wait, or we improvise.

jon_slider
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> you will see that the 10440 version was supposed to exist from the beginning!

thanks for added info

I agree the original plan was to offer a 10440 light.

but 10440 made the LED turn blue..
so lumintop stopped

people blamed the aluminium mcpcb

now we have reports that the lights people are receiving have copper boards.., and they are buying Nitefox hosts

So far nobody has reported their LED turned Blue.

.

To anyone with a Nano and an AAA tube of whatever kind:

1. Does you light have a copper board?

2. Does your LED turn Blue, or Not, when you use 10440?

zoulas
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Where is the best place to buy this light? Which LED is best? OSRAM?

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zoulas wrote:

Where is the best place to buy this light? Which LED is best? OSRAM?

Looks like it's on sale at (American) Amazon right now:

https://budgetlightforum.com/comment/1749054#comment-1749054

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I can’t get the myvipon to work. Comes up regular price.

Notmyrealname
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jon_slider wrote:
Notmyrealname wrote:
I don’t want to pay $40+ for a copper light just to get a battery tube.

I understand, but, I think you may have missed the point that the head of the Maratac will work on the Nano body tube. So you end up with two working lights.

imo Lumintop is not going to give us a free AAA tube. More likely, they will offer an AAA tube, with a Nano head on it, as a separate item.

I get the point but I don’t particularly want one of those two lights. A 10440 tube was implied, promised, or hinted and I think most people assumed Lumintop would product it. Well because of technical problems it doesn’t look like it. I’m willing to pay $9 for the nitefox as I’d have to pay for the Lumintop tube although I have some doubts now about the 10440 battery in that light. The Maratac is fairly expensive and is hard for me to get here and isn’t the type of light that usually appeals to me. (although that can always change).

Still thinking about it but I’ll probably cancel the copper one I ordered from Lumintop. It hasn’t shipped yet, and I have some buyers remorse anyway.

I feel sorry for people who don't have a hobby or interest to escape to.

Agro
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jon_slider, I got a GT Mini with 2 tubes, 18350 and 18650. I believe I needed to pay extra for the tube but nowhere close to the price of another light. I love both variants…though I would probably buy neither if there was just a single tube.
So this is something that Lumintop has done in the past.

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In some of the posts above there was a mention of someone who spotted a copper board in one of the newer versions of the Nano. But I have not seen it so I do not think it happened. Pics??

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djozz wrote:
In some of the posts above there was a mention of someone who spotted a copper board in one of the newer versions of the Nano. But I have not seen it so I do not think it happened. Pics??

I found this in another platform, and I guess it is Victor from LT.
https://www.reddit.com/user/LMTVICTOR
Not sure if it was implemented already, though.
Notmyrealname
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The picture was posted on reddit more then 3 months ago. Maybe someone knows if there are serial nrs. that correspond to the change to copper boards.

I feel sorry for people who don't have a hobby or interest to escape to.

TMaxxJJ
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Can anyone confirm that they’re DTP copper MCPCB’s, and not just copper MCPCB’s?

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MascaratumB wrote:
djozz wrote:
In some of the posts above there was a mention of someone who spotted a copper board in one of the newer versions of the Nano. But I have not seen it so I do not think it happened. Pics??

I found this in another platform, and I guess it is Victor from LT.
https://www.reddit.com/user/LMTVICTOR
Not sure if it was implemented already, though.

I’m sure that you can have no idea if the Nano that you order now has that new copper board.

But for me that pic is helpful anyway, thanks. It shows the size of the board and how it fits in the head, nothing special there. It looks like I can swap in a copper board myself if the board is not copper. It convinces me to buy a Nano now Smile

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Agro wrote:
jon_slider, I got a GT Mini with 2 tubes, 18350 and 18650.

So this is something that Lumintop has done in the past.
thank you for educating me, I did not know that
glad you got two tubes for your Mini…
djozz wrote:
for me that pic is helpful anyway, thanks. It shows the size of the board and how it fits in the head, nothing special there. It looks like I can swap in a copper board myself if the board is not copper. It convinces me to buy a Nano now Smile

I hope you share your results, maybe you will receive a copper pcb in your light. Photos confirming the pcb is copper, would be good to see Smile

I hope the LED does not turn blue on a copper board.

(I will be suprised, and happy for you, if the only difference between an LED turning blue is from changing the pcb metal from aluminium to copper)

ChibiM
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Mine has a copper board.. confirmed.. not sure if it's DTP though

added the picture to my review: https://1lumen.com/review/lumintop-gt-nano/

 

MascaratumB
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ChibiM wrote:

Mine has a copper board.. confirmed.. not sure if it’s DTP though



added the picture to my review: https://1lumen.com/review/lumintop-gt-nano/


 

Thanks for chiming in and confirming it, ChibiM Wink
Appreciate your time to having checked it Beer

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MascaratumB wrote:
ChibiM wrote:

Mine has a copper board.. confirmed.. not sure if it's DTP though

added the picture to my review: https://1lumen.com/review/lumintop-gt-nano/

 

Thanks for chiming in and confirming it, ChibiM Wink Appreciate your time to having checked it :BEER:

hahaha. Thank you MascaratumB for reaching out Big Smile

BTW. I got mine at the beginning of December 2020

jon_slider
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ChibiM wrote:
Mine has a copper board.. confirmed

thanks
I like your reviews,
the Nano review says:

“There is also an adapter that enables you to use 10440 batteries.”

what adapter are you talking about?

does your Nano work on 10440 without turning the LED blue?
what body did you use?

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I saw the 10440 tube on Facebook or at Neals shop when I did the review. I just assumed (which I shouldn't have done) that the 10440 tube would be available soon after the review. It's 3 months later, and the tube is still not available. 

Will go back and change that in the review.

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Just some size pics, I got my nano’s from Vihn….a dqg, bic lighter, .5g skater and a 18350 cell….http://imgur.com/gallery/Pw8okyj

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chooma wrote:
Just some size pics

great photos, thank for the “joint” effort

looks like the 10180 Nano body, works with the nitefox head.. nice!

and did a 10440 work in your Nano, without making the LED turn blue?

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My newly arrived Nano from Banggood also has a copper board. I haven’t tested to see if it has a DTP design. Maybe I’m wrong but I’m not sure it’s that important given the nature of the light.

I’ve asked Lumintop about the change, and also 10440 battery tubes, no reply yet but knowing what I do about Chinese manufacturing, personally I would be confident of getting a copper board as apparently the change was months ago, the sellers I know of sold out and were recently restocked, and the Chinese have a horror of sitting on unsold inventory. Notice I said personally. For example; I canceled my Lumintop order yesterday and got a query from them about the cancelation. The site says there are around 35 copper nanos in stock but turns out you are actually preordering and he lights will be in stock around March 10th.

BTW I found the Lumintop site difficult to use, but not as bad as Aliexpress. Also if searching for Lumintop, clicking on the Lumintoponline instead of lumintoplighting site got me to a official looking site that wasn’t current and wouldn’t allow me to log in without reregistering. Strange.

I’m curious why a aluminum board would apparently cause the led to be overdriven. The difference in conductivity?

I feel sorry for people who don't have a hobby or interest to escape to.

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Notmyrealname wrote:
I’ve asked Lumintop about the change, and also 10440 battery tubes, no reply yet
you asked which email address?

===

lumintop and lumintoponline email have the same lumintop.com host:

https://lumintop.com/contact/
Email: sales@lumintop.com

===

https://www.lumintoponline.com
Email: ec@lumintop.com

===

lumintoplighting has a bogus email, I think they are posing as an official store, but are really just retailers…

https://www.lumintoplighting.com
Email: lumintoplighting@foxmail.com

Notmyrealname
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It might be the other way around. I used lumintoplighting@foxmail.com and got a reply about my order, lumintoponline might be bogus, I didn’t try that email as the site didn’t work for me and also doesn’t show the Nano copper.

I feel sorry for people who don't have a hobby or interest to escape to.

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Quote:
I’m curious why a aluminum board would apparently cause the led to be overdriven. The difference in conductivity?

I guess so!
Example: I have a Tool AA, in which I was using a Samsung LH351D Led, on the stock aluminium board + FET Driver + Vapcell H10.
When I first lighted it with the H10 inside, within seconds it turned blue.

I ordered a thicker copper DTP MCPCB from Kaidomain store at AliExpress and used a new led (the other was damaged), same driver and cell. Guess what, it didn’t turn blue anymore.

Knowing that the Osram leds are even more sensitive to heat and current, if not put in an adequate PCB, they will blue in harder conditions, specially with FET drivers or high drain cells.

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MascaratumB wrote:
Quote:
I’m curious why a aluminum board would apparently cause the led to be overdriven. The difference in conductivity?

I guess so!
Example: I have a Tool AA, in which I was using a Samsung LH351D Led, on the stock aluminium board + FET Driver + Vapcell H10.
When I first lighted it with the H10 inside, within seconds it turned blue.

I ordered a thicker copper DTP MCPCB from Kaidomain store at AliExpress and used a new led (the other was damaged), same driver and cell. Guess what, it didn’t turn blue anymore.

Knowing that the Osram leds are even more sensitive to heat and current, if not put in an adequate PCB, they will blue in harder conditions, specially with FET drivers or high drain cells.

I believe this is due more to the higher heat capacity of copper, rather than the conductivity.

Agro
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Copper doesn’t have all that much higher heat capacity than aluminum.

The difference is mostly between DTP and non-DTP boards. The latter have way higher thermal resistance which increases LED temperature.

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The GT Nano I received from AmazonUS appears to have a copper board. I do not know how to determine if the board has DTP.


But being new to this hobby, I have two questions:


1) I had to pry the board up and off the shelf to see the side to determine if it was copper.

Did I destroy any Thermal Paste that might have been under the board and do I need to re-apply more Thermal Paste (which I do not have any of) or was it OK to just put the board back into the shelf and re-assemble the Reflector, O-ring, Glass Lens and Bezel?


2) The copper board has a white colored surface.

Is there a reason the copper board has a white surface coating and is this coating anything special and is it OK if the white coating has some scratches in it between the led and where the wires are soldered to the board?

How many flashlights does a "real man" need?

None, real men are not afraid of the dark.

djozz
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roostre wrote:

The GT Nano I received from AmazonUS appears to have a copper board. I do not know how to determine if the board has DTP.



But being new to this hobby, I have two questions:



1) I had to pry the board up and off the shelf to see the side to determine if it was copper.


Did I destroy any Thermal Paste that might have been under the board and do I need to re-apply more Thermal Paste (which I do not have any of) or was it OK to just put the board back into the shelf and re-assemble the Reflector, O-ring, Glass Lens and Bezel?



2) The copper board has a white colored surface.


Is there a reason the copper board has a white surface coating and is this coating anything special and is it OK if the white coating has some scratches in it between the led and where the wires are soldered to the board?


It is generally believed that you should replace the paste, but in my personal opinion if there is enough left to cover the underside of the board just pressing the board back onto the shelf will be fine for heat transfer.

The white coating on top of the board (called solder mask) does not do much, in theory exposed copper tracing could electrically short with things, mostly the reflector, but assuming there is a plastic centering thingy that keeps the reflector from touching the board, no shorts are possible and you will be fine.

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Thanks for the answers.

There was not a centering ring that I could find.

The clearance between the board and shelf allowed for some sideways movement, but the LED lined up OK with the reflector when I re-assembled everything.

The light works fine, so I am guessing the scratches will not be an issue. I was very careful prying the board and did not cause the scratches. The scratches probably occurred when the wires were soldered to the board. The soldering was not done very well and looks like a cold-soldered-joint so I was extra careful and did not pry the board out any more than necessary to see the copper side since I did not want to break the wires off.

How many flashlights does a "real man" need?

None, real men are not afraid of the dark.

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