Q8 3rd batch or the same as 2nd?

31 posts / 0 new
Last post
leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46
Q8 3rd batch or the same as 2nd?

Has anyone received a q8 from the latest batch yet? Just wondered if there were any new improvements or differences from the 2nd batch,Or is it’s the same as the batch 2 q8.? Thanks

Edited by: leftfordead on 12/03/2017 - 05:51
Andrew_Debbie
Offline
Last seen: 3 days 1 hour ago
Joined: 11/18/2017 - 12:36
Posts: 302
Location: Isle Of Anglesey

Mine is on the way. I’m not sure how much longer I will have to wait.

2017-12-02 12:00:00 Arrived In Hongkong, Waiting To Fly Away.
2017-12-01 21:30:00 Leaving The Shenzhen Operations Center.
2017-12-01 13:29:30 Shenzhen Operations Center Processing Package Information.

patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

I’m not sure what the ‘third batch’ would be… AFAIU there has been a first batch of 500 with a few issues that where corrected for the second batch beyond the first 500. The first two i got where from that second batch and i latter ordered a third one which was probably close to #2000 in the ‘preorder’ count on BG. I received it a couple weeks ago and it was exactly as the first two. Don’t know if that answers your question though.

KawiBoy1428
KawiBoy1428's picture
Online
Last seen: 7 min 57 sec ago
Joined: 04/11/2014 - 18:05
Posts: 2791
Location: The Motor City

What was to be improved? I have a second batch Q8 and there are no problems with it. I just received another (my second) Q8 this Friday and it’s about as perfect as you can get too and so far no issues.

My first Q8 had a AR lens, the new one a Clear lens, only thing I see different?

KB1428 “Live Life WOT”

kiriba-ru
kiriba-ru's picture
Offline
Last seen: 1 hour 42 min ago
Joined: 01/17/2016 - 02:34
Posts: 1657
Location: Russia

I think all Q8 should have clear lenses…

Need a vlogger for machine accessories reviews

leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

Andrew_Debbie wrote:
Mine is on the way. I’m not sure how much longer I will have to wait.

2017-12-02 12:00:00 Arrived In Hongkong, Waiting To Fly Away.
2017-12-01 21:30:00 Leaving The Shenzhen Operations Center.
2017-12-01 13:29:30 Shenzhen Operations Center Processing Package Information.


my shipping status is the same as yours
leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

KawiBoy1428 wrote:
What was to be improved? I have a second batch Q8 and there are no problems with it. I just received another (my second) Q8 this Friday and it’s about as perfect as you can get too and so far no issues.

My first Q8 had a AR lens, the new one a Clear lens, only thing I see different?


ive never owned one so no idea what could be improved,i read peoplke change the screws over alot to brass
patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.
leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

patmurris wrote:
I’m not sure what the ‘third batch’ would be… AFAIU there has been a first batch of 500 with a few issues that where corrected for the second batch beyond the first 500. The first two i got where from that second batch and i latter ordered a third one which was probably close to #2000 in the ‘preorder’ count on BG. I received it a couple weeks ago and it was exactly as the first two. Don’t know if that answers your question though.

its probly more orders of the second batch then, all i know is i got a email friday saying they have shipped my q8 as it was on back order
leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

patmurris wrote:
KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.

have u done the spring bypass? i was thinking to do it but im a newb with little experience
djozz
djozz's picture
Online
Last seen: 14 min 48 sec ago
Joined: 09/07/2012 - 17:04
Posts: 12481
Location: Amsterdam

patmurris wrote:
KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.

When it was clear during developement of the Q8 that the goal of 4000 lumen would easily be met even with steel springs without bypass, I pleaded not to aim for better conductive springs (like copper alloy ones) or for a factory-bypass, to keep the safety feature that a steel spring forms when inserting the battery the wrong way. I’m still strongly in favor to keep it that way.
We did put a lot of effort in getting Thorfire to use longer stiffer springs, resulting in that they used a somewhat better spring than was used in the latest prototype, but we never got the exact spring we wanted

The springs in the D4 (Be-Cu alloy) are of low mechanical quality and have very little travel, that is why the D4 can only accomodate a very specific battery length (the standard size that unprotected cells have). It is unsuitable for the Q8 that has the dimensions to accomodate a variety of battery sizes. Only if the battery tube is shortened these springs will work, but anything longer than a standard unprotected 18650 will not fit.

link to djozz tests 

“I used to think that top environmental problems were biodiversity loss, ecosystem collapse and climate change. I thought that thirty years of good science could address these problems. I was wrong. The top environmental problems are selfishness, greed and apathy, and to deal with these we need a cultural and spiritual transformation. And we scientists don’t know how to do that.”   (Gus Speth)

leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

djozz wrote:
patmurris wrote:
KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.

When it was clear during developement of the Q8 that the goal of 4000 lumen would easily be met even with steel springs without bypass, I pleaded not to aim for better conductive springs (like copper alloy ones) or for a factory-bypass, to keep the safety feature that a steel spring forms when inserting the battery the wrong way. I’m still strongly in favor to keep it that way.
We did put a lot of effort in getting Thorfire to use longer stiffer springs, resulting in that they used a somewhat better spring than was used in the latest prototype, but we never got the exact spring we wanted

The springs in the D4 (Be-Cu alloy) are of low mechanical quality and have very little travel, that is why the D4 can only accomodate a very specific battery length (the standard size that unprotected cells have). It is unsuitable for the Q8 that has the dimensions to accomodate a variety of battery sizes. Only if the battery tube is shortened these springs will work, but anything longer than a standard unprotected 18650 will not fit.


so for someone like me , the best torch i had is a 2 aa battery led torch, so as standard it would be more than bright enough
patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

leftfordead wrote:
djozz wrote:
patmurris wrote:
KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.

When it was clear during developement of the Q8 that the goal of 4000 lumen would easily be met even with steel springs without bypass, I pleaded not to aim for better conductive springs (like copper alloy ones) or for a factory-bypass, to keep the safety feature that a steel spring forms when inserting the battery the wrong way. I’m still strongly in favor to keep it that way.
We did put a lot of effort in getting Thorfire to use longer stiffer springs, resulting in that they used a somewhat better spring than was used in the latest prototype, but we never got the exact spring we wanted

The springs in the D4 (Be-Cu alloy) are of low mechanical quality and have very little travel, that is why the D4 can only accomodate a very specific battery length (the standard size that unprotected cells have). It is unsuitable for the Q8 that has the dimensions to accomodate a variety of battery sizes. Only if the battery tube is shortened these springs will work, but anything longer than a standard unprotected 18650 will not fit.


so for someone like me , the best torch i had is a 2 aa battery led torch, so as standard it would be more than bright enough

@djozz: Thanks for the explanations, it all makes sense. Someone recently posted a pict of he’s Q8 tail board after he inserted one cell the wrong way and this ‘safety feature’ did work.

@leftfordead: Would the Q8 be more than bright compared to a 2xAA…? Be prepared to be flown away! Lol Evil

Flashy Mike
Flashy Mike's picture
Online
Last seen: 3 min 28 sec ago
Joined: 01/14/2016 - 16:38
Posts: 959
Location: Germany

The D4 has two springs, the Q8 only one per cell. 2 springs are always better to prevent power interrupts caused by bumps. Easiest and cheapest improvement would still be an additional buffer cap.

joechina
Online
Last seen: 2 min 24 sec ago
Joined: 03/05/2016 - 08:23
Posts: 909

Thorfire planded to release Q8 with NarsilM v1.2 (but nobody knows when this will happen)
And they said they will use uncoated lens only.
So I suggested to name this lamps batch 3.
Maybe the december 2017 lamps are batch 3?

Infos whats new in NarsilM under http://bit.ly/narsilthread
An updated cheatsheet is under http://bit.ly/narsil-cs

leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

patmurris wrote:
leftfordead wrote:
djozz wrote:
patmurris wrote:
KawiBoy1428 wrote:
What was to be improved?

Springs!
A bypass yields 1000 more lumens!
Not mentioning the light can turn off when bumped on the tail…
The springs used in the D4 would have been great.

When it was clear during developement of the Q8 that the goal of 4000 lumen would easily be met even with steel springs without bypass, I pleaded not to aim for better conductive springs (like copper alloy ones) or for a factory-bypass, to keep the safety feature that a steel spring forms when inserting the battery the wrong way. I’m still strongly in favor to keep it that way.
We did put a lot of effort in getting Thorfire to use longer stiffer springs, resulting in that they used a somewhat better spring than was used in the latest prototype, but we never got the exact spring we wanted

The springs in the D4 (Be-Cu alloy) are of low mechanical quality and have very little travel, that is why the D4 can only accomodate a very specific battery length (the standard size that unprotected cells have). It is unsuitable for the Q8 that has the dimensions to accomodate a variety of battery sizes. Only if the battery tube is shortened these springs will work, but anything longer than a standard unprotected 18650 will not fit.


so for someone like me , the best torch i had is a 2 aa battery led torch, so as standard it would be more than bright enough

@djozz: Thanks for the explanations, it all makes sense. Someone recently posted a pict of he’s Q8 tail board after he inserted one cell the wrong way and this ‘safety feature’ did work.

@leftfordead: Would the Q8 be more than bright compared to a 2xAA…? Be prepared to be flown away! Lol Evil


so i think ill leave the springs alone then , my current torch is running 1 aa battery and 1 small led ,so i think the q8 will be a slight upgrade, so how do the steel springs help with saftey?
leftfordead
Offline
Last seen: 2 months 2 weeks ago
Joined: 11/15/2017 - 10:30
Posts: 46

i noticed on a few vidoes that some of the q8s were not branded ;blfq8: was that with the early ones?

patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

Springs act as fuse – more or less. Under high current and heat they sort of retract and the cell lose contact. They have to be replaced though.
Early prototypes had no branding.

patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

Flashy Mike wrote:
The D4 has two springs, the Q8 only one per cell. 2 springs are always better to prevent power interrupts caused by bumps. Easiest and cheapest improvement would still be an additional buffer cap.

Do you have those lights?
My D4 has one spring and the Q8 two for each cell.
I agree an extra capacity is the best cure for short power interruptions… Still a bit tricky when you’re not used to solder those tiny components. Don’t ask how i know. Facepalm
xCentrino
xCentrino's picture
Offline
Last seen: 6 days 14 hours ago
Joined: 05/09/2017 - 11:13
Posts: 298
Location: California
patmurris wrote:
Flashy Mike wrote:
The D4 has two springs, the Q8 only one per cell. 2 springs are always better to prevent power interrupts caused by bumps. Easiest and cheapest improvement would still be an additional buffer cap.
Do you have those lights? My D4 has one spring and the Q8 two for each cell. I agree an extra capacity is the best cure for short power interruptions… Still a bit tricky when you’re not used to solder those tiny components. Don’t ask how i know. Facepalm

Do you have these light?

The D4 Has a spring on both end of the battery.

patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France
xCentrino wrote:
patmurris wrote:
Flashy Mike wrote:
The D4 has two springs, the Q8 only one per cell. 2 springs are always better to prevent power interrupts caused by bumps. Easiest and cheapest improvement would still be an additional buffer cap.
Do you have those lights? My D4 has one spring and the Q8 two for each cell. I agree an extra capacity is the best cure for short power interruptions… Still a bit tricky when you’re not used to solder those tiny components. Don’t ask how i know. Facepalm

Do you have these light?

The D4 Has a spring on both end of the battery.


OK i get it. I was only counting the one at the tail.
The Q8 has two springs nonetheless… but on the same side.
klrman
klrman's picture
Offline
Last seen: 10 hours 37 min ago
Joined: 11/07/2016 - 22:44
Posts: 1219
Location: Canada

I ordered my Q8 from Banggood a few days ago and they had two shipping options, either to ship from China or from US warehouse so I chose US warehouse as the China one was sold out.  The US one was $20 cheaper so does that mean I am going to get an inferior Q8 and not the latest version?  Just read about if you bump the Q8 it turns off because of the weaker springs on earlier versions.

djozz
djozz's picture
Online
Last seen: 14 min 48 sec ago
Joined: 09/07/2012 - 17:04
Posts: 12481
Location: Amsterdam

klrman wrote:

I ordered my Q8 from Banggood a few days ago and they had two shipping options, either to ship from China or from US warehouse so I chose US warehouse as the China one was sold out.  The US one was $20 cheaper so does that mean I am going to get an inferior Q8 and not the latest version?  Just read about if you bump the Q8 it turns off because of the weaker springs on earlier versions.


‘Inferior’ is extremely relative here, even the lights from the first batch were top-performers, it was just that some (less than 10% if I remember well) had issues with switch-leds not working well (mine were fine), and only if you are into modding it makes sense to replace the low quality screws that were used for attaching the taiulboard and driver board.

But I doubt that any first batch Q8 is still for sale, from the second batch on the screws are better and there’s no switch-led problems reported.

It can be expected though that a certain moment a batch of Q8’s appears that is built cheaper, with cheaper components, it was always that way in chinese budget lights. But they have not been found as yet.

link to djozz tests 

“I used to think that top environmental problems were biodiversity loss, ecosystem collapse and climate change. I thought that thirty years of good science could address these problems. I was wrong. The top environmental problems are selfishness, greed and apathy, and to deal with these we need a cultural and spiritual transformation. And we scientists don’t know how to do that.”   (Gus Speth)

klrman
klrman's picture
Offline
Last seen: 10 hours 37 min ago
Joined: 11/07/2016 - 22:44
Posts: 1219
Location: Canada

I would say "inferior" was the wrong choice of words!  Would there be any tell tale signs that I got a Q8 from batch number 3 or  would batch 3 be the same as batch 2?

djozz
djozz's picture
Online
Last seen: 14 min 48 sec ago
Joined: 09/07/2012 - 17:04
Posts: 12481
Location: Amsterdam

klrman wrote:

I would say “inferior” was the wrong choice of words!  Would there be any tell tale signs that I got a Q8 from batch number 3 or  would batch 3 be the same as batch 2?


Well, if there is any place where you would find the answer on that it would be this very thread, with just 24 posts it is doable. You would find that there was no complaining about batch 2 and so any alteration for a ‘batch 3’ would be Thorfire’s initiative, not from the Q8 team, and there’s no report from anyone yet finding differences. All I can find on alterations is that the Q8 may get new firmware at some point. Not that NarsilM 1.2 will be noticably different though..

From this thread:

joechina wrote:

Infos whats new in NarsilM under http://bit.ly/narsilthread
An updated cheatsheet is under http://bit.ly/narsil-cs

link to djozz tests 

“I used to think that top environmental problems were biodiversity loss, ecosystem collapse and climate change. I thought that thirty years of good science could address these problems. I was wrong. The top environmental problems are selfishness, greed and apathy, and to deal with these we need a cultural and spiritual transformation. And we scientists don’t know how to do that.”   (Gus Speth)

klrman
klrman's picture
Offline
Last seen: 10 hours 37 min ago
Joined: 11/07/2016 - 22:44
Posts: 1219
Location: Canada

 

klrman wrote:

I would say "inferior" was the wrong choice of words!  Would there be any tell tale signs that I got a Q8 from batch number 3 or  would batch 3 be the same as batch 2?

djozz wrote:

Well, if there is any place where you would find the answer on that it would be this very thread, with just 24 posts it is doable. You would find that there was no complaining about batch 2 and so any alteration for a 'batch 3' would be Thorfire's initiative, not from the Q8 team, and there's no report from anyone yet finding differences. All I can find on alterations is that the Q8 may get new firmware at some point. Not that NarsilM 1.2 will be noticably different though..

 

Thanks.  Obviously nothing to be worried about then even if I get Batch #1 as I don't mod my flashlights.

RobertB
RobertB's picture
Online
Last seen: 1 min 31 sec ago
Joined: 12/18/2015 - 17:49
Posts: 2520
Location: USA, Michigan

Both of mine from the 1st sell are excellent.

Newlumen
Newlumen's picture
Offline
Last seen: 1 hour 51 min ago
Joined: 05/27/2017 - 00:19
Posts: 1135
Location: United states

Hey robert, can you find out if my blf q8 is from 1st batch?? I ordered it on september, 7 and got the light on october, 16.., thanks

patmurris
patmurris's picture
Offline
Last seen: 1 hour 33 min ago
Joined: 12/22/2014 - 15:54
Posts: 1166
Location: Nice, France

Newlumen wrote:
Hey robert, can you find out if my blf q8 is from 1st batch?? I ordered it on september, 7 and got the light on october, 16.., thanks

If i remember well a lot of people ordered their Q8(s) on that day. Maybe a thousand orders went through i believe. What made the difference between batch #1 and #2 was the ‘order count’ on the Banggood Q8 page. Mine was #674 and i got a batch 2 (over 500).

That said, the main symptoms of a batch 1 Q8 where:
- uneven switch leds – that went faulty for some lights
- damaged screw heads all over the place (driver, tail pcb, reflector…)
- driver retaining screws too large for the driver holes, that would thread into both the driver and the head shelf

The last point was sometime having the driver not completely sit flat against the shelf and making less then optimal contact with the battery tube (carrying the negative part of the electric flow) resulting in slightly reduced performance.

After a ‘pause’ in production, all those issues (and possibly others i don’t remember) have been addressed and implemented in batch #2.

I’ve never heard of a batch 3 Q8.

RobertB
RobertB's picture
Online
Last seen: 1 min 31 sec ago
Joined: 12/18/2015 - 17:49
Posts: 2520
Location: USA, Michigan

patmurris wrote:
Newlumen wrote:
Hey robert, can you find out if my blf q8 is from 1st batch?? I ordered it on september, 7 and got the light on october, 16.., thanks

If i remember well a lot of people ordered their Q8(s) on that day. Maybe a thousand orders went through i believe. What made the difference between batch #1 and #2 was the ‘order count’ on the Banggood Q8 page. Mine was #674 and i got a batch 2 (over 500).

That said, the main symptoms of a batch 1 Q8 where:
- uneven switch leds – that went faulty for some lights
- damaged screw heads all over the place (driver, tail pcb, reflector…)
- driver retaining screws too large for the driver holes, that would thread into both the driver and the head shelf

The last point was sometime having the driver not completely sit flat against the shelf and making less then optimal contact with the battery tube (carrying the negative part of the electric flow) resulting in slightly reduced performance.

After a ‘pause’ in production, all those issues (and possibly others i don’t remember) have been addressed and implemented in batch #2.

I’ve never heard of a batch 3 Q8.

Mine came in perfect, no problems at all and was within the first 50 shipped. So did the majority.

Keisari
Offline
Last seen: 2 months 3 weeks ago
Joined: 03/30/2015 - 16:57
Posts: 211
Location: Finland

patmurris wrote:

That said, the main symptoms of a batch 1 Q8 where:
- uneven switch leds – that went faulty for some lights
- damaged screw heads all over the place (driver, tail pcb, reflector…)
- driver retaining screws too large for the driver holes, that would thread into both the driver and the head shelf

The switch leds were not just uneven, but would fail within an hour or two. Initially the actual cause seemed mysterious and a myth about operating LEDs below data sheet currents became widespread. It seems the actual cause were bad solder joints. Majority never reported, but it can’t be “rare” and unlikely to be minority.

Screw heads were ruined all over, true.

Driver screws were forcibly screwed into aluminum. When replacing, new screws of the larger type will probably do just fine.

Quote:
The last point was sometime having the driver not completely sit flat against the shelf and making less then optimal contact with the battery tube (carrying the negative part of the electric flow) resulting in slightly reduced performance.

Tilted driver is present on batch 2. Otherwise, my batch 2 example was flawless as far as BLF GB standards go. Threads were more dirty and squaky than with b#1, but that’s to be expected. Switch led works after quite a bit of use and had the correct screws all over, none damaged.

Quote:
I’ve never heard of a batch 3 Q8.

Will be available eventually. Could be from a totally different source, and it’s the same thing that went on with the SRK clones. Someone is going to decide some features are unnecessary and the light “works” without them.