Q8, PMS SEND TO THOSE WITH ISSUES BLF soda can light

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JasonWW
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teacher wrote:

Some people are saying it would be no problem designing & making a dual footprint board.

Others are saying the exact opposite.

This leaves the mentally challenged, such as myself; confused…. to say the least. Facepalm

Both groups can’t be right…. I don’ think anyway. Shocked

Which group is correct??


They both are correct because the question was not clearly defined.

Is it easy to change the design of the mcpcb to a dual footprint board? Yes

Is it easy for Thorfire to change the mcpcb to a dual footprint board? No

The Miller elaborated on the many reasons it’s not easy for Thorfire to do this.

I think anyone who said it would be easy for Thorfire to switch designs were purely speculating. I would have to defer to The Miller’s answer.

Texas Ace Lumen Tube and JoshK Sphere calibrated with Maukka lights

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teacher
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teacher wrote:

(snip)
Heck… just leave the Q8 out of it.
  • Is it harder to design & make a dual footprint board than a single footprint board??

That is ALL I really want to know. Smile

JasonWW wrote:

Is it easy to change the design of the mcpcb to a dual footprint board? Yes
Thanks Jason, that answers what I wanted to know. Thumbs Up

AFAIAC the rest of it is a mute point.

The explanation djozz gave several post back as to why it was a very bad idea to change anything about the MCPCB (except that it stay together & not bubble or de-laminate of course) made perfect sense.
Perfect sense in that it could lead to untold Q8 misery with what TF might come up with. Big Smile

Nobody wants that possibility to be introduced any more than it already is. Wink

You never know how a horse will pull until you hook him up to a heavy load./"Bear" Bryant 

 .................................. "Slow is Smooth, Smooth is Fast" ...................................

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fixed it
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JasonWW wrote:

Is it easy to change the design of the mcpcb to a dual footprint board? Yes

Is it easy for Thorfire to change the mcpcb to a dual footprint board? No

And that is by far the best summary of the situation I’ve read so far! You are clearly enlightened. Smile
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^^^ This too ^^^ Wink

Phil

PBWilson
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So it’s just down to locating new springs and dealing with board delamination, right?

I’m crossing my fingers both can be addressed soon.

The Miller
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Yes, that is right

Springs
Board
Narsil latest version
Manual (4 pages 1 general manual and 3 on par with Narsil)

Pretty close now

hank
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Quote:
Thorfire had no idea what the key features were that makes the Q8 perform. Despite our continuous and very clear design advice they kept changing stuff without explanation, re-designing parts and body. Often the changes were neutral so we just let it be, sometimes it was undermining performance

and

Quote:
We gave the design earlier, did not hear back on it (this seems the Chinese way of saying no) so I feel reluctant …

Flag these to be elaborated for a “lessons learned” reconsideration, once this is all over.

Now cue the ominous background music.

“What are they doing over there? It’s quiet. TOO quiet ….”

Somewhere out there, a bean-counting cheese-paring businessman is nibbling away at a design specification to make a little more profit on each piece.
https://www.google.com/search?q=scorpion+frog

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DB Custom wrote:
I put an XM-L triple mcpcb in my Titanium X6 and used XHP-50.2 emitters on it. … if I use 2 of my new Efest 20700 cells to power it, the dang thing produces a whopping 14,283 lumens! (27.84 Amp draw!) … tremendous increase in heat …

… already pretty maxed at 6,000 + lumens. … could easily be dangerous … not equipped to handle the heat …

You know things have gone a little too far when even Doctor Frankendale thinks it’s dangerous. Big Smile

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The Miller wrote:
Springs Board Narsil latest version

I finally did some testing, now that I’m back from Asgard and have a working computer again. Not sure how much Tom will have time to change, or how much he wants to change. There don’t seem to be any important firmware issues, but there might be some small things to fix or some small improvements to add.

… and hopefully it won’t turn out like the X6v2, where the units shipped with old firmware. That was unfortunate.

teacher
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fixed it wrote:
JasonWW wrote:
Thumbs Up
Is it easy to change the design of the mcpcb to a dual footprint board? Yes

Is it easy for Thorfire to change the mcpcb to a dual footprint board? No

And that is by far the best summary of the situation I’ve read so far! You are clearly enlightened. Smile
+1, yes it is! Simple, factual, to the point.

The Miller wrote:

Pretty close now
Three great words…… Big Smile

You never know how a horse will pull until you hook him up to a heavy load./"Bear" Bryant 

 .................................. "Slow is Smooth, Smooth is Fast" ...................................

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hank
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Aside — has someone checked how “phosphor bronze” translates?

There’s been so much confusion because copper, brass, and bronze all seem to translate poorly to Chinese.

Quote:
铜,黄铜和青铜

Tóng, huáng tóng hé qīngtóng

It would be good for them to know how Djozz’s phosphor springs made in Netherlands were specified — alloy? unique identification numbers?

Googling the term, there’s a wide range of variation:

Quote:
https://en.wikipedia.org/wiki/Phosphor_bronze Phosphor bronze is an alloy of copper with 0.5–11% of tin and 0.01-0.35% phosphorus.
Quote:
https://www.copper.org/resources/properties/microstructure/phos_bronze.html The phosphor bronzes are designated as UNS C50100 through C54200. Leaded phosphor bronzes combine good strength and fatigue resistance with good machinability, high wear resistance and corrosion resistance. They are used in applications such as sleeve bearings, thrust washers, and cam followers. They are designated as UNS C53400 through C54400.
goshdogit
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I’m very pleased that the Q8 has a tripod mount, and I’ll credit myself for being the first to suggest it waaaaay back in post #25! Big Smile

The Noctigon Meteor doesn’t have a tripod mount, so I made one out of a quick-release ‘truss clamp’ used in concert and theater lighting.

This type of mount is rock-solid for attaching the Meteor to a bicycle, ATV, or anything that can have a screw or bolt fitted to it.

I’m hoping the clamp will fit the Q8, too.

Can someone with the latest Q8 prototype share the diameter at the center of the battery tube?

I realize the diameter may change slightly for final production, but the truss clamp works from about 1-7/8” to 2-1/8”.

The Miller
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Can I give measurements in mm? Inches are so strange to me.

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The Miller wrote:
Can I give measurements in mm? Inches are so strange to me.
Of course! I speak metric as well as imperial. Big Smile

BTW, 1 inch = exactly 25.4 mm.

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Ha how tired I am, the caliper has a button to switch so I can give both, tomorrow, the Q8 is next to the bed and I know I just don’t want to bring it from there before I slept a little Wink

The Miller
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Ah and yeah thanks for giving us a hard time making that tripod hole a part Big Smile
No joking, it is an awesome part, really thanks Wink

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The diameter in the middle of the battery tube, away from the flat bits is 50.0 mm.

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The Miller wrote:
Ah and yeah thanks for giving us a hard time making that tripod hole a part Big Smile
No joking, it is an awesome part, really thanks Wink
You’re very welcome! Big Smile The Q8 will be an awesome work light when paired with a small tripod!

djozz wrote:
The diameter in the middle of the battery tube, away from the flat bits is 50.0 mm.
Thanks! Thumbs Up Looks like a good fit for the truss clamp.

For anyone interested, the 2” quick release truss clamps can be found on eBay for about $10 each.

To make two mounts, go with a ‘dual swivel’ clamp like this:

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I had one made for my bicycle to mount another BLF Special edition light. One of the Truss vendors on Ali Express made it on order.

http://imgur.com/ZGI3Es4

http://imgur.com/gjitNYR

http://imgur.com/y9U5cox

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The bolt on the truss clamp fits the tripod socket on the flashlight?

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hank wrote:
The bolt on the truss clamp fits the tripod socket on the flashlight?
Hmm, I suppose you could configure it that way using a 1/4-20 (quarter twenty) bolt if you wanted to fasten the light to a 2” cylindrical object, but my plan was to hold the flashlight in the clamp and bolt the clamp to a bike, ATV, etc.

Sorry if I created some confusion by mentioning the tripod hole. I plan on using the tripod mount for using the Q8 as a work light, and using the truss clamp in more rugged situations.

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Please add me to the list for one unit. Thank you.

The Miller
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Yes 50mm (or 1.968 inches Wink
Oops m=mm

teacher
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The Miller wrote:
Yes 50m (or 1.968 inches Wink )
Did you mean 50 mm?? Wink

You never know how a horse will pull until you hook him up to a heavy load./"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  

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tocirahl
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I was thinking about reflowing 4x Nichia 219C 4000K CRI 90+ D240 LEDs instead of the XP-Ls.

Does anyone have an estimate of roughly how many lumens I can expect to get with this setup?

My crude estimate places the output at around 4000 lumens.

djozz
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tocirahl wrote:
I was thinking about reflowing 4x Nichia 219C 4000K CRI 90+ D240 LEDs instead of the XP-Ls.

Does anyone have an estimate of roughly how many lumens I can expect to get with this setup?

My crude estimate places the output at around 4000 lumens.


There’s many parameters playing a role, but my guess would be a bit lower, say 3200 lumen.
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How well will the flashlight tolerate 4.35V cells as opposed to just 4.2V cells? IS there any risk or harm in using 4.35V?

djozz
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I_like_lamb wrote:
How well will the flashlight tolerate 4.35V cells as opposed to just 4.2V cells? IS there any risk or harm in using 4.35V?

Yes, there is a risk of blowing the leds. This flashlight is completely direct-drive and with high drain 4.2V li-ion cells it runs the leds close to their maximum. Running them even harder with 4.35V cells might be too much. You may be saved by the 4.35V cells not being high drain enough too maintain their voltage, in that case there is no reason to use the high voltage cells anyway.
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The Miller wrote:
Yes 50mm (or 1.968 inches Wink
Thanks, Miller! Thumbs Up
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All the 4.35v cells I have tried so far had significantly worse performance then a high drain 4.2V cell. They have pretty high resistance in my experience.

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