BLF Kronos X6/X5 GB - Group Buy now closed.

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ToyKeeper
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djozz wrote:

Regarding a discussion from a few pages ago: I do not agree with TK, in principle, when well build (no light from the light source can directly shine at the detector), an integrating milk-carton should be better at integration (so more accurate with varying angles and beam profiles) than the bended pipe thing. What would help is sanding the inside of the carton with fine sandpaper to make it matt instead of shiny.


LOL, the post was entirely written for humor. Integrating milk carton sounds sillier than integrating tube. Smile

In any case, my milk carton lacks baffles. I really should build a proper sphere sometime.

jescereal
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fatboy wrote:
Can you recommend a holster for these lights? Links if you got them. Smile

These holsters fit the lights really snugly.
It doesn’t protect them that well, since they’re left a bit exposed, but they function just fine to carry the lights around. They’re thick and feel very durable. There’s a belt loop, and a separate loop that attaches with velcro.

Left: Sunwayman Thickened Nylon Flashlight Holster

Right: Sunwayman Thickened Nylon Flashlight Holster

ToyKeeper
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gadabout wrote:
I have a problem with the X5 that I can’t work out where it keeps stepping down, from lower levels.

21mA – 2.18  where it seemed to stabilise.

The stepdown almost seems somehow thermal in nature but this makes no sense at such low drive currents.

You probably need to calibrate or disable the thermal regulation, because it’s stepping down at room temperature. It’s config mode item 7. Either leave it on until you think it’s too hot, or… since it’s the X5 it probably doesn’t need thermal regulation at all. You can disable that feature by turning it off during the first second of the calibration mode.

I got the thermal regulation calibrated very carefully… then tried it on a different driver, and it stepped down at room temperature. So, basically, the variation between individual units (attiny25V chips) is large enough that any factory calibration is likely to be wrong. People will need to calibrate it themselves.

duvallite
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My Al set just showed up yesterday. These are really nice, and the size and finish is perfect. I’m very happy I decided to do this GB :bigsmile:. Just the X5 alone has me now considering buying a 2nd set of the Al.

The clip on my X5 is the same as others, too narrow of an opening beneath the bend to go all the way down in a jean pocket. No big deal to me since I’ve never used a clip so far, but I’ll still be watching in case someone has a decent fix for this sometime. I hadn’t really realized how small these lights were, especially the X5. Definitely a tiny monster. Now if only my batteries would arrive so I can fire them up. Not so patiently waiting……

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Lazy-R-us wrote:
There was another member who posted that bat check was giving low results on one of his lights. TK suggested that something may be wrong with his voltage divider and monitoring circuit. Can you try this on your light and see what it reports? As I understand the UI, it will step down for two different reasons; low voltage as measured by the ATTiny AND also high temperature. So if the processor thinks it sees a low voltage it will bump down.

Yup, low voltage OR high temperature.

Fortunately, it’s easy to tell the difference. If it steps down and then stabilizes at a low level, it thinks it’s too hot (and can be easily re-calibrated or disabled via config mode).

If it steps down and turns off, it thinks the voltage is too low.

Also, the LVP step-down uses bigger steps than the thermal step-down. But that can be hard to see.

ToyKeeper
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dude5 wrote:
on the A6 driver, when turbo steps down to high, a short tap will push it back up to turbo. is this UI the same way?

No. The A6 step-down actually simulates a button press and bumps it back to the previous mode… The X6v2 / bistro UI steps down (and up) in much smaller levels which are totally independent of the levels configured in the mode group, so it doesn’t try to update the mode index while this is happening.

The reasons for this are:

  • If it changed the mode index, it would no longer be able to step back up after the temperature drops.
  • Making the mode index track the thermal regulation would require enough extra room that it would have to drop some other feature(s).

So, if you want to make it go back up to maximum (or just stay at maximum), you’ll need to either do a med-press+short-press to go down and back up, or … disable thermal regulation. You can always regulate it manually.

I fully expect that a lot of people will disable thermal regulation. It’s mostly there as a safety margin for folks who don’t know enough to regulate the temperature themselves (or if you really want to run it unattended on turbo). Unlike the A6, these lights are very unlikely to cook themselves. The heat sink is too big for that to happen easily.

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I am enjoying reading everyone’s posts. The excitement of it all is really fun to witness. I remember when my set came in, and all the other samples! This is such a fun hobby, and I am glad you guys ‘get it’ Smile

A lot of people have been thanking me, and I appreciate it…I really do! But you need to know something. The heavy lifting was done by the rest of team Kronos. There is just no way I could have done anything remotely this cool without TK, Dale, Jmac, Bugsy36, Neal, BangGood and Manker!

These GBs take a lot to pull off. The behind the scene challenges and stresses would have done me in a long time ago were it not for these awesome, passionate people. I’m so blessed and have all kinds of fun putting the pieces together and watching such a fantastic project come to fruition. Thanks also goes out to Pdog, wight, ReManG, Sully and countless other BLF members and buyers that helped us make something truly special.

krono

No one, after lighting a lamp, puts it away in a cellar nor under a basket, but on the lampstand, so that those who enter may see the light.

My Reviews: Ma

nitro
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 Just wanted to post what mine will look like

 

bear
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ToyKeeper wrote:

As for cost, compare the BLF A6 to Vinh’s SL2. They’re very similar, but one sold for $25 while the other starts at around $100. Or compare the copper X5 to a Sinner Cypreus… one is half of $85 for a complete light, the other is again $100+ for a complete light. I think my Cypreus came to about $140 total. And Sinner has some pretty decent prices for what he does. Or compare the aluminum set to similar products from premium brands — $45 for two versus $60+ for just one (with lower performance). So that’s a couple data points comparing previous items to the BLF group buys.

How is the price so much lower? Well… mostly, because China. And because of much higher volume, bulk pricing. Made in a factory instead of being individually custom-built.

What has never been done before? Let’s start with the BLF A6, which laid the foundation for the X6v2/X5:

  • First mass-produced light with a BLF community driver (designed by wight, RMM, and quite a few people before them).
  • First mass-produced light with BLF community firmware (written by me, based on JonnyC’s work, based on several before him).
  • First group buy with a direct-drive FET, making it the brightest light on the market for its battery type.
  • First group buy with a 2-channel driver, providing efficiently-regulated low-to-medium modes (and moon) in addition to the blinding direct-drive modes.
  • Copper emitter star with direct thermal path, so it can handle dramatically higher power.
  • Software-configured memory and mode group.
  • First BLF light with visually-linear spacing between modes.
  • Includes hidden modes: strobe, battcheck, bike flasher.
  • First clicky-switch light with ability to go both forward and backward between modes.
  • Fast PWM so the pulses aren’t visible even for people who are very sensitive to it.
  • Completely open-source firmware and driver circuit, so people can modify them.

The X6v2/X5 add a few things…

  • Upgraded to an attiny25 to enable extra features:
    • Thermal regulation.
    • Greatly expanded soft config options to cover more people’s preferences.
    • Other subtle improvements like actual voltage readout, police-style strobe, and smooth level transitions.
  • First BLF light with a lighted tailcap.
  • One of the first lights to use the new XP-L HI, which gives much better throw and more even tint, allowing both lights to be good pocket throwers.
  • The X5 is a brand new host, first of its kind, and probably has the most throw of any light its size.
  • Beautiful, collectors-edition hosts in steel and copper (in addition to the more practical aluminum models).
  • Nice wooden box available for collectors.
  • Massive heat sinks largely eliminate the need to worry about heat, even on the highest modes.
  • Huge upgrade in host quality compared to the A6.

The short version is: Non-modders can finally get retail lights which are nearly the same as the hot-rodded stuff people on BLF custom-build for themselves.

Wow. Alright…WOW. That is just incredible. I’m completely floored.

I HAVE to get this set now. There’s no option. I need to have TWO sets actually. LOL

When will the waitlist start getting codes?

How much time is left for the people that haven’t used their codes?

Thanks a lot for that excellent write up ToyKeeper. Smile I really appreciate the time you took to go into so much detail.

I wish I found out about BLF sooner.

Joat
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Yeah, my SS/Cu set is out of limbo, unfortunately it’s now in Chicago so it’s a few more days before I’ll see it.

I’m surprised there are no comments on picture of my AL Kronos X6 shorty.

gadabout
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ToyKeeper wrote:
gadabout wrote:
I have a problem with the X5 that I can't work out where it keeps stepping down, from lower levels. ... 21mA - 2.18  where it seemed to stabilise. ... The stepdown almost seems somehow thermal in nature but this makes no sense at such low drive currents.
You probably need to calibrate or disable the thermal regulation, because it's stepping down at room temperature. It's config mode item 7. Either leave it on until you think it's too hot, or... since it's the X5 it probably doesn't need thermal regulation at all. You can disable that feature by turning it off during the first second of the calibration mode. I got the thermal regulation calibrated very carefully... then tried it on a different driver, and it stepped down at room temperature. So, basically, the variation between individual units (attiny25V chips) is large enough that any factory calibration is likely to be wrong. People will need to calibrate it themselves.

 

Thanks TK.

Dale got me going down that "what to do" path last night (this morning) and disabling the thermal regulation seemed to cure it.  Your explanation now helps me to understand the "why it happens".

Just to clarify, are the only thermal options in config mode 7 "off" or "calibrate" rather than toggling between "off" and "on"? I think I'm understanding it correctly?  

 

In any case, I can't overheat it or bother with setting a calibration point ATM until I get some better cells.  As you say, it probably can't overheat anyway due to the thermal mass, copper construction and relatively low capacity of 14500s.  I'm not planning on leaving it unattended on Turbo - I have lights better suited to that role.

Thanks once again to everyone for the work on this GB set but a special kudos to TK/Wight for the driver and UI in this and the A6.  A great example of what can be done by talented and passionate people.  

 

kuoh
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Mine was just left in the mailbox.

KuoH

Andybibbville wrote:
Okay I left work early only to get home 30 minutes too late I missed my lights by 30 minutes.
jack-bkk
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cabfrank wrote:
I have a question for those who did this group buy, put in their time and effort, and exhibited their knowledge and patience, just so we could all have incredible flashlights. How do you feel about the ungrateful, pathetic folks who buy these and hope to sell one for the entire set cost, or double their money on them, or whatever? I think it is despicable, disgraceful, obnoxious, disgusting, disdainful, contemptible and distasteful, among other things. Did you all expect this, and it doesn’t bother you? I am naive to let it bother me? What has happened to decency, respect, and knowing the difference between right and wrong? Sorry, I guess that is more than one question. Jeez.

did you even buy stocks shares gold or put your money in a bank and hoped for a return ??

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jack-bkk wrote:
did you even buy stocks shares gold or put your money in a bank and hoped for a return ??
Sharpie wrote:
They are a passing moment in time

I think the truth is really somewhere between your two viewpoints. Yes there will be another project just around the corner and the excitement of these lights will wane. But they’re clearly built to last, at least the hosts are, and finding solid stainless/solid copper hosts in larger sizes isn’t easy. So I can see these at least maintaining their value for a long time, even used-but-not-abused lights.

But to compare them to an investment in gold or stocks…. honestly that’s just silly. I hope you’ve got a better retirement plan than this.

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kronological wrote:

I am enjoying reading everyone’s posts. The excitement of it all is really fun to witness. I remember when my set came in, and all the other samples! This is such a fun hobby, and I am glad you guys ‘get it’ Smile

A lot of people have been thanking me, and I appreciate it…I really do! But you need to know something. The heavy lifting was done by the rest of team Kronos. There is just no way I could have done anything remotely this cool without TK, Dale, Jmac, Bugsy36, Neal, BangGood and Manker!

These GBs take a lot to pull off. The behind the scene challenges and stresses would have done me in a long time ago were it not for these awesome, passionate people. I’m so blessed and have all kinds of fun putting the pieces together and watching such a fantastic project come to fruition. Thanks also goes out to Pdog, wight, ReManG, Sully and countless other BLF members and buyers that helped us make something truly special.

krono

Krono, Your pleasure & enjoyment probably does not come anywhere near the pleasure, excitement & enjoyment you are providing to us.  Thank you very Very VERY Much.  Smile  Wink


And thank you very VERY Much to the entire Kronos team, namely Krono, TK, Dale, Jmac, Bugsy36, Neal, Pilotdog, Wight, ReManG, Sb/Sully (for BLF) , BangGood, and Manker.  Smile  Wink

 

Deeply Grateful,

George






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Joat wrote:
Yeah, my SS/Cu set is out of limbo, unfortunately it’s now in Chicago so it’s a few more days before I’ll see it.

I’m surprised there are no comments on picture of my AL Kronos X6 shorty.

I was trying to hold out… That looks cool, now I want a 14250 tube for the X5…

Sharpie wrote:

I get the strong impression that you don’t appreciate what these are.

They are a passing moment in time, to be appreciated, but not obsessed over.

Things will move on, and further improve. I doubt that these will be a pinnacle of perfection, never to be surpassed.

Actually I suspect that this may be nearly as far as it is possible to take a simple direct drive one-cell one-LED torch. Subject to further LED development.

Not an investment.

Neither is a “collectable” wristwatch, although there do seem to be some true obsessives there. Worried about serial numbers, logos etc.

Suggest you “invest” elsewhere. Or do some altruistic good with your money. Rather than squirrel it away on physical property, nevermind piling up gold. It is ephemeral.

Mine will be used and abused, and show honest signs of wear. And “improved” where I think there is some point, or am interested in the intellectual challenge.

And probably be chucked away, when I pop my clogs.

Nobody “needs” these things, but they are nice to have, for those who appreciate the efforts, enthusiasm and improbable cooperation around the world that has made them possible.

The fact that they are also rather good at converting chemical energy into photons is almost secondary.

The box will probably be used to keep other (emotionally) precious stuff in (if it doesn’t arrive smashed). It was cheap enough.

At the end of the day these are just torches, but rather special and unique. Don’t kid yourself that there is a pool of “collectors” out there who will snap up these at a premium from the few who got a matched pair, and kept them pristine. Maybe you should never even undo the wrapping (seems to be popular in some cultures).

Or perhaps there are.

All my stuff gets used, otherwise usually gifted or to charity.

Far too much clutter anyway.

Thank you Sharpie, that is so well expressed. I admire your poise in writing this.

I got my Aluminum set today, incredible… Just hope these lights go stock for a while like the BLF A6/Astrolux S1

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Well, I couldn’t seem to figure out how to get a larger image inserted into the post, so hopefully this method will suffice…

SS X6

SS X6 Box

SS/Cu X5/X6 Packaging

Cu X5

Al X5

Al X5

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Okay so my number is 349
I do not have any of that number i have 330 for the copper and 334 for the stainless that was good work by BG lol if any one wants to swap let me know no rush i have to wait till i get paid to ship any ways!
I love the x6 who ever told me it isn’t much of thrower needs to get there eyes checked it easy out throws the convoy c8 and its even looking good against the BLFD80 but when saying that its not going to see the outside world much lol i think i will buy a alloy set when i get money.
still have not tried the X5 i am waiting for my 14500 to arrive!
i love this set they will get stored in some thing safe maybe i will make a perspex case for it so i can see them glowing use protected batteries so they do not run out and cause damage…

nitro
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For my X6 I got #400 Smile

jack-bkk
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emarkd wrote:
jack-bkk wrote:
did you even buy stocks shares gold or put your money in a bank and hoped for a return ??
Sharpie wrote:
They are a passing moment in time

I think the truth is really somewhere between your two viewpoints. Yes there will be another project just around the corner and the excitement of these lights will wane. But they’re clearly built to last, at least the hosts are, and finding solid stainless/solid copper hosts in larger sizes isn’t easy. So I can see these at least maintaining their value for a long time, even used-but-not-abused lights.

But to compare them to an investment in gold or stocks…. honestly that’s just silly. I hope you’ve got a better retirement plan than this.

i did not mean that. Not as an investment but he said its despicable to hope to keep value or get returns. most people who buy a car check what will be the resale value right ?? /

this lights made so solid and so easy to upgrade mod or else that you can use them for a long long time. and some see them as a collectors set and everyone who collects something is hope of appreciation not only monetary in a monetary way.

i read it as he said its despicable that so many people put their afford in this project and then some cvome and buy and hope for profit. if thats despicable never buy any stocks because thats exactly what you doing there putting money on others ideas and hope they been good.

everydaysurvivalgear
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does any know about maintenance with these lights? what can i use to oil the threads is it the same as a normal light? or will a petroleum based lube cause problems with tarnishing? seeing its not alloy oil can east away at the flashlight?

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Wow I just powered up my little x5. What a beast. I can’t believe how powerful this thing is. And great throw for a little light. How does it compare to the blf a6 beam wise?

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Anything that is a limited production item, especially the first of its kind, is going to increase in value. Period. If you don’t like the economics, use them and enjoy them. If you don’t like it when people make money, think about your own profit and decide where to donate.

If those two statements don’t apply to you, welcome to the club that I’m in! We like amazing things, we like to use them, we understand basic economic principles, and we understand that sometimes you choose to keep something you were fortunate enough to get at the right time and place and sometimes you choose to profit from the situation based on need or desire.

Nothing is wrong with any of the options. We all choose to proceed as we see fit, no judgement is necessary.

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dude5 wrote:
Wow I just powered up my little x5. What a beast. I can't believe how powerful this thing is. And great throw for a little light. How does it compare to the blf a6 beam wise?

Completely different of each other. The A6's sheer power really lights things up but this X5 has essentially the same power factor with the updated driver so it comes down to SMO reflector and XPL-hi vs OP reflector and XPL.

Doesn't matter....you need them both Wink

It's the simple things that we take for granted that cost us the most

Ευκαιρία λέει πιάσε με από το μέτωπο γιατί μόλις έχω περάσει δεν θα με πιάσειs

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Yeah that’s what I am thinking now after getting this set. My first blf GB was a huge success. Thanks everyone

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I’m actually shocked and insulted by the response to my knurling issue. I’ll keep following up to get a replacement. I normally wouldn’t mention anything but am pissed by the customer service so far.

onetrickpony
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Gunga wrote:
I’m actually shocked and insulted by the response to my knurling issue. I’ll keep following up to get a replacement. I normally wouldn’t mention anything but am pissed by the customer service so far.

I’m assuming you mean banggood, what did they say?

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gadabout wrote:
I’m guessing the same process (break at 7th stutter, then off at Medium) would toggle the thermal protection back ON again?

Nope, that only turns it off. Technically, it sets the heat ceiling to 255. Then after going up to full power it actually measures the temperature and stores that instead. It keeps reading and storing the temperature every couple seconds as long as it stays on in that mode. So, when you turn it off, the new ceiling is whatever it last saved while it was running in unlimited turbo mode.

To set a new ceiling, you actually have to get it hot… and a 3.2V cell isn’t going to get it hot.

ToyKeeper
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myhken wrote:
The X5 is eating up battery power. Just played a little with it yesterday, set the thermal settings and today, I tested the thermal setting, and noticed that the lights was less brighter then yesterday from the start. Pulled the battery, and it was down to 3.3V

At full power, the X5 run time is only like 10 minutes. Dale’s quad would run out of power at like 4 minutes.
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Gunga wrote:
I'm actually shocked and insulted by the response to my knurling issue. I'll keep following up to get a replacement. I normally wouldn't mention anything but am pissed by the customer service so far.

Aren't they on holidays?

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

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