[PART 1] Official BLF GT Group Buy thread. Group buy officially closed! Lights shipping.

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The_Driver
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zelee: why do you have to quote his entire post with all the pictures?

Dennis Bieniek
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Can I please be put on the list?

dino

vex_zg
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please put me on the list for 1pc

thanks

CodyWolfeMusic
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That’s hilarious, gotta get some Duracell decals for the side xD

Cody Wolfe

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Wieselflinkpro wrote:
With the battery carryer I have some questions and suggestions:

Yes The quality looks nice. But the solder points near the Bat+ pads are not verry nice. Is it possible to move them to an other place?
And it would be great if the flashlight would work with flat top batteries with raised flat top or in other words with bigger top button. That means the cutout of the top pcb has to be enlarged and perhaps the Bat+ pad too. And the solder points have to be moved to another place too.

I am thinking of the following batteries to fit this carryer:
- Sanyo/Panasonic NCR18650GA
- Sony VTC6 and other Sony Batteries
- LG HG2
- and similar

The only Problem would be that there is only a difference of a few 0.x mm between Bat+ and schrink tube of the most batteries. The NCR18650GA has a bigger difference between these.

What would you think about it?

I was worried about those solder points at first as well but after testing found that they are there purely to hold the PCB’s together. They appear to have no electrical connection with any other point on the light, so shorting out to them is not a concern.

I still have no idea why they chose to solder the pcb’s together though, it is not needed that I can see.

Far as making it work with flat top cells, it would be too difficult to work with those but not with a reverse cell and then you have variances between the cells as well. Better to simply solder blob the cells or if you need to, remove the protection pcb. Removing the PCB would not be hard, just a basic soldering iron or heat gun is all that is needed.

Texas_Ace
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Ok, I had a few minutes to flash the new firmware from Tom. NarsilM GT 1.2.

After the reflash it is working perfectly, so something went wrong with the flash on the china end. I am thinking they either got the wrong Hex file somehow or the fuse settings were wrong. I noticed that Tom updated the fuse settings recently.

We will sort that out but it should be a simple fix.

Not sure if I will have time to test the LED’s today but I will post the results when I get to them.

teacher
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goshdogit wrote:
I was talking with a friend who’s also on the list for a GT.

I mentioned that due to its comical size, a muggle might think the GT is an outdated incandescent flashlight filled with D batteries… until it’s powered on. Big Smile

I’m tempted to apply a faux finish (using removeable paint) to increase this effect.

Perhaps something resembling this 5 D-cell specimen periodically available ‘free with coupon’ at Radio Shack a few decades ago.

Now this would be hilarious…. great idea!!! Thumbs Up
Anyone who remembered these old lights would probably pass out from shock when you fired up the ‘look alike GT’…… Big SmileBig SmileBig Smile

      You never know how a horse will pull until you hook him up to a heavy load. / Paul "Bear" Bryant ~/~\~ "Slow is Smooth, Smooth is Fast"

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CodyWolfeMusic
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You kidding me? I love light saber shots they really show the beam, and an impressive beam that is. I loved the videos of the Convoy L6 up on YouTube with all that fog truely impressive. So proud of the progress you guys made on this been looking back through the fourms and its exciting to see it become reality. Can’t wait to order this thing and see what it can do!

Cody Wolfe

IH8MYX
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If possible can you please add me to the list. Thank you.

teacher
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The_Driver wrote:
zelee: why do you have to quote his entire post with all the pictures?
Not to be mean, but… +1 . Smile

zelee wrote:
Texas_Ace wrote:
Condensed cliff notes version:
………. snip …………
can it use flat top battery or is it must use button top?
Button tops or solder boob the flat tops. Thumbs Up

      You never know how a horse will pull until you hook him up to a heavy load. / Paul "Bear" Bryant ~/~\~ "Slow is Smooth, Smooth is Fast"

       Texas Lumens Flashlights  <>   M4D M4X Deals : sign up - save $$$$    ||||

         Rudeness Level /\ mΩ /\ {width:70%} /\ LightWiki /\ LED Tint Chart /\ LED Tint Picture /\ Xlamp size chart /\ BatteryU                   Flashaholic? Need Professional Help???   wink   /\ TheOriginal /\ TAB /\ LightSearch /\ BatterySearch /\ 14500's /\ DiCal                                                       

PVCC
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@Texas_Ace

 

" With the new carrier design I think the best option would be to make an indention in the tailcap to prevent the button top of the carrier from being able to contact the tailcap even if it was inserted backwards. There should be plenty of room and would be a simple fix. "

 

- Yes, that would be very good!!

  

- TECH QUESTIONS (sorry, I'm not up to date with all Final Specs)

1- Is the final LED emitter, Cool White or Neutral White?

2- Can the GT use Unprotected batteries? (I have many unprotected, but almost none "protected"... hence my question)

3- If yes, can I use Unprotected in one carrier, and Protected in the other carrier?

4- Can the GT use for instance 4 batteries of 3500mAh in one carrier and 4 batteries of 2700mAh in the other?

 

BTW, Thanks a lot for your pictures and very detailed report. MUCH APPRECIATED!! It looks AWESOME to me Smile

Thanks!!

Texas_Ace
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PVCC wrote:

@Texas_Ace


 


“ With the new carrier design I think the best option would be to make an indention in the tailcap to prevent the button top of the carrier from being able to contact the tailcap even if it was inserted backwards. There should be plenty of room and would be a simple fix. “


 


- Yes, that would be very good!!


  


- TECH QUESTIONS (sorry, I’m not up to date with all Final Specs)


1- Is the final LED emitter, Cool White or Neutral White?


2- Can the GT use Unprotected batteries? (I have many unprotected, but almost none “protected”… hence my question)


3- If yes, can I use Unprotected in one carrier, and Protected in the other carrier?


4- Can the GT use for instance 4 batteries of 3500mAh in one carrier and 4 batteries of 2700mAh in the other?


 


BTW, Thanks a lot for your pictures and very detailed report. MUCH APPRECIATED!! It looks AWESOME to me Smile


Thanks!!

1: The emitter has always been neutral white, we are just not sure exactly what flavor of neutral white it will be yet. There is apperantly a shortage of neutral white xhp35 HI’s right now.

2: You can use the flat top cells if you solder blob them or if you remove the protection pcb.

3: The official recommendation is 8 matching batteries but unofficially as long as the 4 cells in each carrier match, you will be ok. I have tested this myself with 30q’s and cheap laptop cells in each carrier.

4: Ditto the last answer, officially not recommended but unofficially and electrically you will be ok since the GT uses so little power. It is simply a matter of liability, too much risk in officially suntanning the mixing of cells.

So I have to say, the above advise is in no way connected to the offical GT team, GB or lumintop nor do I provide any garanties. This is based on electrical engineering 101 and personal testing only.

ImagioX1
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Can I be lazy guys and some one tell me whether both group buys are over, so that I dont have to go back and read through the whole thread? Kinda interested in the light but can’t spend too much money at the moment. Thanks in advance!

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The $111 GB is full but the $150 GB is still open.

It should remain open until the lights go on sale.

pommie
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Posted this a while ago, it is the proto 1 with the shorty tube, the humidity was high and is across water meaning the conditions are real life Smile

pommie wrote:
Managed to get out for some GT Proto beam shots last night, there was a half moon, ‘sky glow’ from the city only 7~8km away plus the lights on the pier so a real life situation.
First the map for distance

Then for the control shot, played with the settings until I got close to what my eye was seeing.

Now the beam shot, using the same settings as the control shot.

Just to show that it really was getting there, a crop at 100% of both images

Sorry no comparison shots as it started to rain and I got out of there while I was still dry Big Smile

Cheers David


As an aside, the focal length was 35mm on a cropped sensor, close to what the eye sees.

How much better the production model will be is unknown at the moment but high humidity will still be a problem.

Cheers David

Nothing to see here folks, move along...

Texas_Ace
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pommie wrote:
As an aside, the focal length was 35mm on a cropped sensor, close to what the eye sees.

How much better the production model will be is unknown at the moment but high humidity will still be a problem.

Cheers David

I feel your pain, taking Lux readings outside the calculated throw actually goes down as I move further back instead of going up like it should the humidity can be so bad. I usually get the highest readings around 5m, which is much less then should be ideal for a light this size.

I have a water tower I spotted recently that should technically be in range of the gt (about 1 mile) but I kinda doubt that it will reach that far with the humidity and light pollution.

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Texas_Ace wrote:
The $111 GB is full but the $150 GB is still open.

It should remain open until the lights go on sale.

Thank you kind sir!

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Tom E wrote:

Giancarlo wrote:
I mean the Acebeam TN42vn modded by Vihn (SkyLumen.com): https://skylumen.com/collections/v54-lights/products/tn42vn-throw-king-pre-order-only  

I think you mean the ThruNite TN42vn – again, it’s a thin beam – no comparison to the swath of coverage by the GT.


You are right, I meant the Thrunite TN42vn. Big Smile Quite happy for the larger swath of coverage of the TG! Thumbs Up
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The pics into that reflector are almost hypnotic,,,,,,, am i becoming a flas-a-holic ? Smile

I thought a reflector was in a grinding machine before polish, i know a CNC lathe can do a okay surface, but its nothing compared to the surface tolerances i far surpassed on my grinding machine.
setting off on a new batch with the stone fresh sharpened, my grindings was slicker than snot on a door knob.

BUT ! i have no idea if you can grind on ALU as you can on tempered steel or raw steel / stainless, but i figure its just a matter of using the right stone for the job.

Some times i worked on some large axles that had gotten a layer of crome, and that shi,,,,, stuff was a pain to work on, i have no idea why they dident get those axles sprayed with some proper steel, figure it was cornor-cutting saving money ,,,, which i hate as its so noob and anyone can do it.

And besides a CNC lathe could fab up a new axle much faster than i could redo the tolerances on my grinding machine, especially as this was raw steel axles only needing a few grinds where rubber seals was seating.

Dont get it Facepalm some times its like stupid run things.

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Jack, as was said before, this is not an Acebeam topic. This is considered hijacking the thread. You need to create a new topic in the commercial sellers spot here:
http://budgetlightforum.com/forum/marketplace/commercial

Or maybe search for an Acebeam thread at least.

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

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sparkyDK wrote:

BUT ! i have no idea if you can grind on ALU as you can on tempered steel or raw steel / stainless, but i figure its just a matter of using the right stone for the job.

Aluminum is so soft it will just clog up the grinding stone. You need sandpaper style flap discs or rolls and even those wear out quick. Like this.

Convoy L6 thread with XHP70.2, Texas Avenger FET driver, Narsil v1.2 ramping firmware (old), lighted side switch, SMO reflector.

Supfire L5-S thread with XHP70.2, Texas Avenger FET driver, NarsilM v1.0 ramping firmware, 2 x 26350 cells, lighted side switch. My mini L6! 

Thorfire S70S with MTN FET driver, RampingIOS (D4) and custom lighted side switch.

10 NarsilM user videos for BLF Q8, GT, GT70, GT Mini, Astrolux S43 and ROT66

Texas_Ace BLF Calibrated Lumen tube

Maukka Calibration Lights for DIY Lumen Measuring Devices - Headlight List with prices, specs and features

Jaxmnve M1 Stainless 10180 Keychain light Review  - Lumintop ODF30 Review - Sofirn C8F 21700 Teardown and Review, Sofirn SP33 v2 XHP50.2 Review - My Sofirn Q8 Results - Astrolux S43S 219C Test Results - Lumintop GT Mini Test Results

SG3
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Please add me to the list as well. Thanks!

"Yes, I'm a custom knife maker who is afraid of the dark..."

-Me

mxyzptlk
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Please add me to the list as well.
Thanks!

Regards
Daniel

b1i1l1l1y1
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Any update on the shorty tube being available for purchase?

Wieselflinkpro
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Texas_Ace wrote:
Wieselflinkpro wrote:
With the battery carryer I have some questions and suggestions:

Yes The quality looks nice. But the solder points near the Bat+ pads are not verry nice. Is it possible to move them to an other place?
And it would be great if the flashlight would work with flat top batteries with raised flat top or in other words with bigger top button. That means the cutout of the top pcb has to be enlarged and perhaps the Bat+ pad too. And the solder points have to be moved to another place too.

I am thinking of the following batteries to fit this carryer:
- Sanyo/Panasonic NCR18650GA
- Sony VTC6 and other Sony Batteries
- LG HG2
- and similar

The only Problem would be that there is only a difference of a few 0.x mm between Bat+ and schrink tube of the most batteries. The NCR18650GA has a bigger difference between these.

What would you think about it?

I was worried about those solder points at first as well but after testing found that they are there purely to hold the PCB’s together. They appear to have no electrical connection with any other point on the light, so shorting out to them is not a concern.

I still have no idea why they chose to solder the pcb’s together though, it is not needed that I can see.

Far as making it work with flat top cells, it would be too difficult to work with those but not with a reverse cell and then you have variances between the cells as well. Better to simply solder blob the cells or if you need to, remove the protection pcb. Removing the PCB would not be hard, just a basic soldering iron or heat gun is all that is needed.

Are the springs on the same PCB as the Bat+ contacts? And the bars are on the outer PCB too? That would mean by removing the protection PCB, the battery carryer wouldn’t shrink and it would be verry easy to remove it.
Is it right so?

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teacher wrote:
Theodore41 wrote:
cccpull wrote:
Great! Some news after 2 months of,

Should I order the batteries, yet? It take 3 days for them to arrive.

I’ve got the 8 GAs about one month ago. Smile
Same here… 8 GA,s about a month ago.
Gotta have them so I just got them while the getting was good…… (in stock) …. Wink

Sorry I do not understand the abbreviation, my question can you tell me what these batteries type model and manufacturer. ?

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gtxxl wrote:
Sorry I do not understand the abbreviation, my question can you tell me what these batteries type model manufacturer. ?

Sanyo NCR18650GA

I always think long and hard before I say something really stupid.

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gtxxl wrote:
teacher wrote:
Theodore41 wrote:
cccpull wrote:
Great! Some news after 2 months of,

Should I order the batteries, yet? It take 3 days for them to arrive.

I’ve got the 8 GAs about one month ago. Smile
Same here… 8 GA,s about a month ago.
Gotta have them so I just got them while the getting was good…… (in stock) …. Wink

Sorry I do not understand the abbreviation, my question can you tell me what these batteries type model and manufacturer. ?


I bought them from nkon.nl from the Netherlands, at a good price. https://eu.nkon.nl/rechargeable/18650-size/sanyo-18650ga-button-top.html
PVCC
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@Texas_Ace

 

Thanks a lot for your detailed answers!

- I thought the chosen XHP35 HI was CW since CW is usually higher output (maybe I'm wrong, I'm not deep in this field)

- Thanks for the advice on the batteries. No worries, I understood the "official" recommendation now Wink

- BTW, I usually use a Neodimiun super strong very "small coin" magnet that has Nickel coating, instead of solder blob. Did you try it?

Thanks a lot once again!

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Also thought the emitter would be cool white for the increased throw. Why not offer both, no big deal to build lights with two different emitters.

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