*BLF LT1 Lantern Project* (codes going out for more LT1s, second batch shipping!)

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amishbill
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saypat wrote:

I don’t know why there isn’t some Manufacturer rep who can be transparent with us, except that isn’t normal for human being. You simply can’t fault honesty
….
(wouldn’t change anything, but would like to know how it happened that THEY cannot get LEDs now)

…. call me impatient -


Hey Impatient – I’m Dad.

“it” happens when you’re a dealing with small-ish wholesale quantities of products that are run in batches

Personally, I’m happy that they bothered letting us know of the delay, and even shared why things are being delayed. It was easy to be patient when there was no real ETA on this. Now that things have started and the finish line is in sight, it’s getting harder.

DIY LT1 battery wrap image. "PDF on Google Drive":https://drive.google.com/open?id=1IHIEOi1NXu868IYNCzIM7D2Ulpxchmww

Fresh Sanyo NCR18650GAs already wrapped "for sale HERE":http://budgetlightforum.com/node/69120 if you like.

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saypat wrote:

Meanwhile I’ll just continue to look at the posts of those who have already received their lanterns.

(wouldn’t change anything, but would like to know how it happened that THEY cannot get LEDs now)

…. call me impatient -

From what information we been told & can gather now, the 2nd batch release will be closer to the end of the month. It appears that because of the massive order for the LH351D LEDs they need to manufacture them to shore-up the number needed. (of its 2500 GB LT1’s, that equals to 10,000 2700K and 10,000 5000K LED units they need, i’m guessing there wasn’t that many produced yet.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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oto wrote:
Sofirn wrote:
Hello, all. Did you recieve your LT1? Does it perform well? Please give your feedback so we can know your ideas. Any issue or question, please contact us. Thank you Smile

Received my LT1, works well. Here are some ideas for future version improvement.
1. Notch in the bail handle makes carrying LT1 uncomfortable, it is too small to fit finger in comfortably. Make it bigger or make it smooth curve without the notch.

Wish list for future driver:

Powerbank support

DBSAR wrote:
methnen wrote:
What is the V2 deluxe going to add?

don’t really know yet as no real plans have been done for that, but one option is to add a powerbank option maybe, either way it will certainly cost more.

Another vote for changing the bail handle and adding powerbank support.

Assuming you carry the lantern conventionally and not suspended from paracord, the wirey bail handle will dig into your hand over time. The streamlight siege have nice bail handles coated in some rubber/silicone so not as uncomfortable.

And seems a waste to lug around 4×18650 and not be able to dip into those power reserves if light is needed in a particular situation. Nitecore and Fenix both of have lanterns with powerbank features so shouldn’t too much of a stretch.

Looking forward to see where the project goes!

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I’m sure it will always be a dream but I’d love a lantern the size of the old Coleman I had.

Might be able to get 8× 26650’s in space of the old fuel tank or 12× 21700’s, run the thing for a year Cool

Would definitely need a power bank function then!

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Candle mode runs forever and 3 clicks sets it on a timer in 30min increments?

The manual says 3C adds +30min so I initially thought it was default to 30min until I woke up in the morning with it still on

Texas Ace Lumen Tube calibrated with maukka lights

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Funtastic wrote:
Candle mode runs forever and 3 clicks sets it on a timer in 30min increments?

The manual says 3C adds +30min so I initially thought it was default to 30min until I woke up in the morning with it still on

Yes, it will run forever unless you specify a sleep timer. First 3C will set it to 30 mins and each additional 3C will add 30 mins up to 4.5 hours.

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Mine came in yesterday… I have not been able to find any faults with the light, solder pads for 7135’s were correct, everything was tight and clean and it lit up!

Seriously, this is a wonderful product from a strong design team and Sofirn’s manufacturing was spot on!

Only one minor nit to pick… and I think and easy fix. I like light from 3000k to about 4750k. When the brightness is ramped up, the tint shifts to cooler as expected since CW leds have more light output. I am thinking about opening up one of the 7135 channels on the CW side of the driver to remove some of that tendency. Not sure if it will be to much or not, but going to try. Still can’t get over how smooth the light from this unit really is. I can see I will use it often, if my daughter does not steal it to read by late at night.

EDC rotation:
FW1A, LH351D 4000k (second favorite)
FW3A, LH351D 3500k
FW3A, SST20 FD2 4000k
FW3A, Nichia 4000k sw40 r9080 (favorite light!)
FW3A, Cree XP-L Hi 5A3
Emisar D4V2, SST20 4000k
S2+, XM-L2 T6 4C

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DBSAR wrote:
From what information we been told & can gather now, the 2nd batch release will be closer to the end of the month. It appears that because of the massive order for the LH351D LEDs they need to manufacture them to shore-up the number needed. (of its 2500 GB LT1’s, that equals to 10,000 2700K and 10,000 5000K LED units they need, i’m guessing there wasn’t that many produced yet.
You don’t really believe that do you? How small of a batch of those LEDs do you think Samsung makes at a time? They’re making at least hundreds of thousands at a time, not hundreds or low thousands. No one sets up and fires up their semiconductor production line to run only one wafer down it. The number of LEDs used by these lanterns is a drop in the bucket, not a tsunami they’re struggling to deal with.
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Stereodude wrote:
DBSAR wrote:
From what information we been told & can gather now, the 2nd batch release will be closer to the end of the month. It appears that because of the massive order for the LH351D LEDs they need to manufacture them to shore-up the number needed. (of its 2500 GB LT1’s, that equals to 10,000 2700K and 10,000 5000K LED units they need, i’m guessing there wasn’t that many produced yet.
You don’t really believe that do you? How small of a batch of those LEDs do you think Samsung makes at a time? They’re making at least hundreds of thousands at a time, not hundreds or low thousands. No one sets up and fires up their semiconductor production line to run only one wafer down it. The number of LEDs used by these lanterns is a drop in the bucket, not a tsunami they’re struggling to deal with.

That may be part of the problem. Companies buying large volumes on a continuing basis may be much larger purchasers and receive favoritism in having their orders fulfilled ahead of relatively smaller orders. Not all orders at the manufacturer level are filled in strict time order. Contracts for large ongoing amounts of anything take precedence.

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Stereodude wrote:
You don’t really believe that do you? How small of a batch of those LEDs do you think Samsung makes at a time? They’re making at least hundreds of thousands at a time, not hundreds or low thousands. No one sets up and fires up their semiconductor production line to run only one wafer down it. The number of LEDs used by these lanterns is a drop in the bucket, not a tsunami they’re struggling to deal with.

How certain are you that the binning is the same for the entire hundreds of thousands?

It could be true for these specific high cri leds

Texas Ace Lumen Tube calibrated with maukka lights

amishbill
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MtnDon wrote:
Stereodude wrote:
DBSAR wrote:
From what information we been told & can gather now, the 2nd batch release will be closer to the end of the month. It appears that because of the massive order for the LH351D LEDs they need to manufacture them to shore-up the number needed. (of its 2500 GB LT1’s, that equals to 10,000 2700K and 10,000 5000K LED units they need, i’m guessing there wasn’t that many produced yet.
You don’t really believe that do you? How small of a batch of those LEDs do you think Samsung makes at a time? They’re making at least hundreds of thousands at a time, not hundreds or low thousands. No one sets up and fires up their semiconductor production line to run only one wafer down it. The number of LEDs used by these lanterns is a drop in the bucket, not a tsunami they’re struggling to deal with.

That may be part of the problem. Companies buying large volumes on a continuing basis may be much larger purchasers and receive favoritism in having their orders fulfilled ahead of relatively smaller orders. Not all orders at the manufacturer level are filled in strict time order. Contracts for large ongoing amounts of anything take precedence.


Everybody – please step back and chill.

Sofirn is not Duracell or General Electric. Samsung is not very likely to prioritize a few reels of LEDs for Sofirn over a few thousand reels for large direct clients. Heck – the wording of the message was ‘the distributor’, so Samsung is not likely to be dealing with Sofirn directly at all.

The LEDs will be delivered.
The Lanterns will be built.
GB purchase codes will go out.
You will get your lantern(s).

DIY LT1 battery wrap image. "PDF on Google Drive":https://drive.google.com/open?id=1IHIEOi1NXu868IYNCzIM7D2Ulpxchmww

Fresh Sanyo NCR18650GAs already wrapped "for sale HERE":http://budgetlightforum.com/node/69120 if you like.

Funtastic
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It’s just their time of the month maybe

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One thing I noticed while studying the latest Andúril chart ToyKeeper provided for the lantern is the absence of an SOS mode in either the strobe or blinkies section. Some of us will be using this light in areas with poor or no cellular service. Even with cellular service, redundancy is not a bad thing in an emergency. Might not be a bad idea to add one after the beacon, or swap out the bike strobe.

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O26Rcr wrote:
One thing I noticed while studying the latest Andúril chart ToyKeeper provided for the lantern is the absence of an SOS mode in either the strobe or blinkies section. Some of us will be using this light in an areas with poor or no cellular service. Even with cellular service, redundancy is not a bad thing in an emergency. Might not be a bad idea to add one after the beacon, or swap out the bike strobe.

good point, i never really thought of the SOS mode, but it could have replaced the bike-flasher mode. As its a 360 degree light source, i can see how the SOS mode could be very useful in a marine situation, (on a sail boat or cabin cruiser,) and a breakdown or emergency arises. Same can apply to wilderness campers, general boating, winter emergencies, highway breakdowns, etc.

That Canadian flashlight guy & Lantern Guru -Den / DBSARlight

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While it’s not a traditional SOS mode, the Beacon and BatCheck modes should be attention grabbing too.

DIY LT1 battery wrap image. "PDF on Google Drive":https://drive.google.com/open?id=1IHIEOi1NXu868IYNCzIM7D2Ulpxchmww

Fresh Sanyo NCR18650GAs already wrapped "for sale HERE":http://budgetlightforum.com/node/69120 if you like.

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Why has the temperature blink-out been removed?
I know, the lantern needs no temp control, but especially outside a temperature info would be nice.
Even more so, since the LEDs are far away from the Sensor in the LT1 and the readouts would be more accurate….

amishbill
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O26Rcr wrote:
… Might not be a bad idea to add one after the beacon, or swap out the bike strobe.

I think an argument could be made to swap an SOS mode for either the bike strobe or tactical/police strobe. I almost put Party Strobe in that list, but lets face it, this is the perfect platform to have a party strobe. Thumbs Up

Edit — Long Live the Bike Strobe! With a half-reflector add-on and a bike mount, this would make a rather wide angle bike light.

My vote is to replace the tactical strobe with SOS. I don’t think the two people who might use an LT1 in tac-strobe as a paintball light grenade will complain too much. Cool

DIY LT1 battery wrap image. "PDF on Google Drive":https://drive.google.com/open?id=1IHIEOi1NXu868IYNCzIM7D2Ulpxchmww

Fresh Sanyo NCR18650GAs already wrapped "for sale HERE":http://budgetlightforum.com/node/69120 if you like.

O26Rcr
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amishbill wrote:
O26Rcr wrote:
… Might not be a bad idea to add one after the beacon, or swap out the bike strobe.
I think an argument could be made to swap an SOS mode for either the bike strobe or tactical/police strobe. I almost put Party Strobe in that list, but lets face it, this is the perfect platform to have a party strobe. Thumbs Up

I think both the party and tactical strobe have their uses. Situations may arise where a blinding/confusing bright light would make a good distraction. The bike strobe however… Guess it’s up to ToyKeeper to see what can be done.

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DBSAR wrote:
good point, i never really thought of the SOS mode, but it could have replaced the bike-flasher mode. As its a 360 degree light source, i can see how the SOS mode could be very useful in a marine situation, (on a sail boat or cabin cruiser,) and a breakdown or emergency arises. Same can apply to wilderness campers, general boating, winter emergencies, highway breakdowns, etc.

If the decision is made to go ahead with it, hopefully we can get it from the factory in later batches, and just flash the earlier ones if we want.

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amishbill wrote:
O26Rcr wrote:
… Might not be a bad idea to add one after the beacon, or swap out the bike strobe.

Edit — Long Live the Bike Strobe! With a half-reflector add-on and a bike mount, this would make a rather wide angle bike light.

My vote is to replace the tactical strobe with SOS. I don’t think the two people who might use an LT1 in tac-strobe as a paintball light grenade will complain too much. Cool

LOL, sounds like we need another BLF LT1 poll. I’m one of those people. Wink

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O26Rcr wrote:

If the decision is made to go ahead with it, hopefully we can get it from the factory in later batches, and just flash the earlier ones if we want.


With the driver held in by two easily accessed screws, AND there being a pogo-pin contact pad, the LT1 should be one of the most reflash-friendly lights around.

DIY LT1 battery wrap image. "PDF on Google Drive":https://drive.google.com/open?id=1IHIEOi1NXu868IYNCzIM7D2Ulpxchmww

Fresh Sanyo NCR18650GAs already wrapped "for sale HERE":http://budgetlightforum.com/node/69120 if you like.

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Surely, no one needs a tactical strobe on a lantern and extremely few people even need one on a flashlight; it’s just a marketing feature. I’m not attempting to start an argument, as I’m sure some people think a tactical mode might save your life, but even they might admit that such modes have been over-used to hype even terrible products to a crime-fearing public. It’s even possible that a tactical strobe simply makes your attacker angrier and more vicious.

I would argue that extremely few people need an SOS mode, either, but as much as I hate SOS being a primary mode on most flashlights, I will admit that a hidden SOS, as would be the case with Anduril, could be a useful feature on a lantern. It pains me to say that considering the idiotic marketing of tactical modes Facepalm .

Oh, and sorry for calling you Shirley… unless that’s your name.

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SIGShooter wrote:
Here are some images of a flat top laptop battery pull that I tried in my LT. It works fine even though the positive terminal is not raised above the wrapping and it is not snagged by by trim pot. What is likely happening is that the LT ring is pushing down the wrapping down enough to make contact with the positive terminal. Even though it works I recommend adding a solder blob to ensure contact and to eliminate the possibility of the ring wearing away or tearing the wrapping.

Snagging of the wrapping by the trim pot probably depends on many factors but at least for my LT is not an issue with the batteries that I have.

View of the battery from the side

Top of battery after inserting it into the lantern in each of the battery slots

Lantern turns on Big Smile

Those look to be the exact same batteries I just recently pulled from a laptop battery pack. Red shroud with light blue surround at positive contact. Sanyo R1122. Took a very long time to charge up, but reached 4.2v.

By the way, I noticed you completely pulled off the tabs. What I saw someone else do is to trim off part of the tab, leaving the rest in place. In this application, that would be an advantage, to avoid snagging.

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O26Rcr wrote:
One thing I noticed while studying the latest Andúril chart ToyKeeper provided for the lantern is the absence of an SOS mode in either the strobe or blinkies section. Some of us will be using this light in areas with poor or no cellular service. Even with cellular service, redundancy is not a bad thing in an emergency. Might not be a bad idea to add one after the beacon, or swap out the bike strobe.
Kingjohn wrote:
Why has the temperature blink-out been removed? I know, the lantern needs no temp control, but especially outside a temperature info would be nice. Even more so, since the LEDs are far away from the Sensor in the LT1 and the readouts would be more accurate….

I second both ideas.

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Kingjohn wrote:
Why has the temperature blink-out been removed?

All temperature-related bits are omitted from the lantern build. This was mostly because it can’t regulate anyway, since the sensor is too far from the LEDs… but also because it provides room for extra features like tint ramping.

O26Rcr wrote:
SOS mode

Since the lantern has temperature stuff removed, it has some extra room. It should be possible to add SOS if people want it. I’m thinking it should go just after beacon mode, in the blinkies group.

As a side note, there probably isn’t room to include SOS on any other attiny85 versions of Anduril. If it’s added, it’ll probably just be on the lantern.

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xevious wrote:
SIGShooter wrote:
Here are some images of a flat top laptop battery pull that I tried in my LT. It works fine even though the positive terminal is not raised above the wrapping and it is not snagged by by trim pot. What is likely happening is that the LT ring is pushing down the wrapping down enough to make contact with the positive terminal. Even though it works I recommend adding a solder blob to ensure contact and to eliminate the possibility of the ring wearing away or tearing the wrapping.

Snagging of the wrapping by the trim pot probably depends on many factors but at least for my LT is not an issue with the batteries that I have.

View of the battery from the side

Top of battery after inserting it into the lantern in each of the battery slots

Lantern turns on Big Smile

Those look to be the exact same batteries I just recently pulled from a laptop battery pack. Red shroud with light blue surround at positive contact. Sanyo R1122. Took a very long time to charge up, but reached 4.2v.

By the way, I noticed you completely pulled off the tabs. What I saw someone else do is to trim off part of the tab, leaving the rest in place. In this application, that would be an advantage, to avoid snagging.

Yeap those are the batteries that I have. I got those batteries years ago before the LT project was started so leaving the tabs on wasn’t something that came to mind. If I had known then I definitely would have left them on Smile

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leftdisconnected wrote:
Surely, no one needs a tactical strobe on a lantern and extremely few people even need one on a flashlight; it’s just a marketing feature. I’m not attempting to start an argument, as I’m sure some people think a tactical mode might save your life, but even they might admit that such modes have been over-used to hype even terrible products to a crime-fearing public. It’s even possible that a tactical strobe simply makes your attacker angrier and more vicious.

I would argue that extremely few people need an SOS mode, either, but as much as I hate SOS being a primary mode on most flashlights, I will admit that a hidden SOS, as would be the case with Anduril, could be a useful feature on a lantern. It pains me to say that considering the idiotic marketing of tactical modes Facepalm .

Oh, and sorry for calling you Shirley… unless that’s your name.

Yeah, well, that’s just your opinion, Shirley… Wink

Besides, like many other things in life, different strokes for different folks. Don’t like it, don’t use it.

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ToyKeeper wrote:
O26Rcr wrote:
SOS mode

Since the lantern has temperature stuff removed, it has some extra room. It should be possible to add SOS if people want it. I’m thinking it should go just after beacon mode, in the blinkies group.

As a side note, there probably isn’t room to include SOS on any other attiny85 versions of Anduril. If it’s added, it’ll probably just be on the lantern.

If you can fit it in there, fantastic! Six of the eight lanterns I signed up for are intended as gifts for boating, hunting, and camping friends. Lake Superior and the Boundary Waters are very unforgiving mistresses. Having SOS in a platform like this would be much more visible for a longer time than say, something like a Convoy C8.

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Around here, the most common usage of SOS during tourist season is “Help! I need more beer!”.

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Does anyone know the lifespan of the provided batteries. Will they last for 200-300 cycles?

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