Water cool LED- something u guys might like :)

LED Flashlights – General Info
1

I came across this clip on photography forum and like to share with u all.

that is a kick ass light :slight_smile:

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Wauw so nicely made as well.

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Interesting, almost half a million subscriber’s.

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Thanks Nicolicous, a very nice video that makes you want to start projects …

The led he uses is quite expensive : yuji led

5

Nicely built light.

Not sure about water-cooling in flashlights though. All the water does is help transfer heat from the LED to the heatsink. You still need the heatsink (and in that light, a fan) to get the heat out of the light.

I suppose you could build a “water-cooled” light using evaporation to remove heat. Duct-tape a squirt bottle to your light with the nozzle aimed at your heatsink. Whenever it gets hot, give it a squirt.

6

That’s one expensive LED… I wonder if the CREE CXB counterpart can outperform it?

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The Cree big boy emitter is $130. :wink:
36V with some 10,000 lumens.

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Built a light a few years ago with a water core. I should probably upgrade the emitters from XRE/MCE and the driver as well.

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I have bought 10000 lumens, 90CRI Bridgelux for <$50 single quantity.

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To me it would make a lot more sense to buy the best COB you can get (Nichia, Cree, Bridgelux, Lumileds, Citizen). The higher efficiency would reduce the heat sink size, and they are designed to operate reliably at higher temps so again less heat sinking.

11

I wonder if a flashlight could be made with a waterjacket built inside the metal walls or something? Think like the old ww1, ww2 machine guns had water jackets so the barrels could keep firing and not melt. The water would get warm inside, but if you could completely seal it in with a weld of some sort it could never evaporate out. Or it could be designed with a drain plug hole. Even if the jacket was in the head of the light I think it would be interesting. Would be cool to have like a watercooled c8 sized light putting out 3k lumens and just warm to the touch

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Under the orang button cover is a momentary switch for programming the Taskled 6A buck driver. Imbedded in the resin next to it is a reed switch controlled by a magnet that slides on one of the handle rails. The copper tube has a removable plug. It used to run from 30 (15s2p) 4/5 sub c cells.

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Cool :slight_smile: Build, Rufusb.

Thanks, OP, for the entertainment.

14

The video is atrocious though. Too many flashes, transitions and scene breaks. Makes it too painful to watch. Tried to endure it for a whole minute and then finally dropped.

15

another crazy water cool led 100,000 Lumen

16

Thanks for sharing. Really cool…