I’m wondering about the “deeper fins”… I’ve been studying the design and I’m really liking how the switch area is raised above the head, the head has a slight bevel cut to it such that as it gets closer to the tube it’s narrower but the switch area stays proud, makes it easy to locate the switch in the dark if you have the switch lights turned off. (I don’t normally leave this lights on, too many lights to have all of them shining around saying “Pick me! Take me with you!”
So I hope they keep this switch-area-proud design. The tapered head as well, it’s just a unique look that sets it apart from others.
I also personally think it would be awesome if they could change the cut-out’s on the clip… make it read FF E07 to identify the light.
That is insane. Are you saying, with your heat sink, it was able to sustain 39,000 lumens!? Holy cow! Was the heatsink aluminum like the one in your photo or copper? I didn’t think sustaining anything over 15k lumens even in the largest lights was possible without active cooling.
“Sustain” is perceptual here, cells die fast when you’re pulling a high C discharge rate, if you have enough dispersion to outlast the cells then… the difference was that the light couldn’t be run 20-30 seconds before it had to be shut down, with the sink it would drain the cells. It’s not as much the sink at work as it is the factory cooling fins actually getting the heat (through the sink) to disperse it. Without the sink, the lower head where all the fins are only touches the underside of the emitter shelf with about 1/8” wide band of almuminum where the threads are, totally insufficient to pull the heat down into the deep fins. The sink remedied this, giving enough surface contact at the emitter shelf and enough mass to redirect heat to those fins.
Ha. Thats perty. Lot of work went into making that i’d guess. Practically speaking yes. Aesthetically, it is a little blingy—too many angles and jags milled into the fins. Looks like the fins are a mm or so thick with about 3-4mm spaced apart, sacrificing alot of mass that way, seems the trade off is more air flow to each individual fin. I liked the trj20 spacing and more conservative look (edit: but like dale has mentioned —pointless having all those precious fins without the insides being right.) But i guess if you want copper for heat you really gotta show it off cause its gonna cost. I dont know that it will fit with their toned down look. I’d want to frame it and hang it on a wall somewhere. Is this in your collection or did you find a pic? It sure does seem to fit the bill—with the deeper fins, though. Kind of looks like they belly a bit in the middle i’d guess top+bottom ~3/32-1/8” up to 7/32-1/4” deep at the belly? That’d be awesome.
Pretty little light. Looks like jewelry. Most of my lights are used in the field so i dont really want to carry something that pretty —i’d be afraid to use it.
BTW, aside from lung cancer and price is there a reason there are no flashlights made from conductivity-optimized beryllium copper alloys? They seem much superior to regulars ones and I would expect that some would take the cost and do the precautions and actually use it.