FW3A, a TLF/BLF EDC flashlight - SST-20 available, coupon codes public

There might not be any host changes. It’s looks pretty much exactly like it’s supposed to.

It’s just the ends being unscrewed that make it look different.

You are most probably correct in that observation.

With the parts unscrewed to the point of being completely loose, it can be made to look similar to the photo. I don’t know how the parts are being held in position though, since gravity makes it fall together a bit more than that in the prototypes.

They are laying flat on their sides.

You are correct, sir. And I think I should go get some sleep.

Maybe… but the tailcaps look like they are sitting/standing on the green to me.

Great color as is. I like the slight green in there.

DAYUM! That looks sexy!

I’m thinking of bead blasting one of mine or stripping it and polishing it .

I really want Toykeepers prototype

Yeah, i know, but then the graph suggests the color temp gets cooler when power increases, which is not the case.
LEDs have a cooler tint when running on low power, get warmer tint when power increases.

This depends on the LED but most I’ve tested have gotten cooler with increasing current.

I am new to this board and don’t know all the details of this project - just wanted to thank everyone involved and say that this product appears really innovative and cool. An electronic tail switch is something I haven’t seen before in this form factor.

You did mention that efficiency is “reasonably efficient as far as linear drivers go”. But the charts themselves look as if the blue curve was optimal, not merely optimal for linear drivers. I’ve been confused by them when I was more noobish than I am now. I suggest clarifying that right on the pictures.

Also, I believe that Emisar D4 tests have shown that FET was not as inefficient as people predicted, though I haven’t seen a careful analysis of what was going on, one that would enable us to draw lessons for future drivers designs.

A led driven to the max is inefficient for two causes: high current and high heat. A FET driver at PWMed lower modes has one cause (heat) removed so the led during the pulses runs at higher output than if at max continuously.

It really works like that. Example: I made a 18650 zoomie with a Osram KW CSLNM1-TG and FET+1 driver. If I use a high current cell it is overdriven at max resulting in angry blue light. But at slightly lower setting (so still high in the FET region of regulation) the led colour is normal. The led still receives the same current (but pulsed) so the difference I presume is caused by less heat.

Open the photo in a new tab, zoom in (there is a lot of detail there to see), and you can form your own opinion. Those don’t look like o-ring grooves to me. And if they are, why two ? This isn’t a dive light. And the clip was not supposed to clip into a groove, but be Solarforce style, with integral retaining ring.

Or just go straight to https://i.imgur.com/rohcLIc.jpg[/img]

There isn’t a separate tailcap as such in this design, the tube should only ever unscrew at the head, so if this really is just a display of parts in disassembled condition, well, why ? Screw it up please :wink:

Remember, this is where the concept started: http://i.imgur.com/AVSmLGN.jpg It seems a lot has been coarsened since then.

Nice touch putting the piece of packing under the Emissar, and bringing it forwards, to make it look longer

Edit, and fatter

Than it actually is :cry:

I do hope I’ve got this completely wrong, but I don’t see (literally) how I could have.

The design may have something to do with ease of manufacture for Lumintop. I wonder if one of their other lights is similar enough to the design in the photos and instead of setting up tools and fixtures to make a light exactly as Fritz had envisioned it, they are going with their own designs.

Get me on this list for +1 please

Really?
I dont see green in the middle of the tubes.
I would guess its the reflection from the green table.

Why would there be two o-ring grooves on the head side? I thought the clip was designed solely to go on the tail hence the revised chamfered portion.

That’s what it looks like to me too.

At the tail it looks like they’ve cleared a groove for a slip-on clip. If that was merely the tailcap not fully screwed in the interior of the groove wouldn’t be completely smooth. It would have threads and an o-ring slot near the top.

I’m also not quite sure about the groove at the top of the picture. It looks like it has what might be an o-ring slot, but no threads. Did Lumintop just decide to put a decorative groove on booth ends and the light in their picture IS actually fully screwed together?