Water Cooled MONSTER 1500 watts

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RattleSnake
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Water Cooled MONSTER 1500 watts

This build was started almost a year ago now and is still ongoing, just one of my long term projects.
This build was never intended to be practical, its more the enjoyment of creating it and getting a functional “sculpture” at the end.

20x Cree CXA1850

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1 of the 2 240×60mm radiators

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The Solenoid

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Reflectors, what is the purpose of the cone things inside the reflectors?

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Most of what is going into it.

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FmC
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Can’t wait to see more of this!

No idea what the centerpiece is in the reflector – is it just hollow?

MRsDNF
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You are one seriously crazy guy. Love what your doing. Smile

My current and or voltage measurements are only relevent to anything that I measure.

Budget light hobby proudly sponsored by my Mastercard and unknowingly paid for by a hard working wife. 

djozz said "it came with chinese lettering that is chinese to me".

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FPV
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can you make an EDC version of this?
j/k this is amazing.

djozz
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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)

lostheplot
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are you lighting up the mcg?

sorry all images down
thanks photobucket

The_Driver
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The cones in the reflectors keep you from seeing the LEDs directly. They might either reduce the spill light around the hotspot (if they are lenses) or they might make the spill even wider (if they diffusers). The might also be cone shaped reflectors which redirect the light to the main reflector, also minimizing the spill.

Cula
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Subscribed, can’t wait to see the build process. Thumbs up from me Beer .

pinkpanda3310
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EasyB
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Wow cool! Thumbs Up

Has anyone tested one of these high power COB style LEDs to see how much they can be over-driven?

Enderman
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You could get similar power draw and higher lumen output by using three Citizen CLU550 LEDs Smile
Up to 70k lumens 500W each. https://www.digikey.ca/product-detail/en/citizen/CLU550-3626C1-65AL7G4-B...

The_Driver
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Here’s my (German) thread where I calculated that.

freeme
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Guinness world record is coming. LoL.

CRX
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Crazy build SmileThumbs Up

Pöbel
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you might run into pump trouble. 1500W with 2×280s will surely exceed the maximum allowed Pump temperature.

leaftye
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Where is the pocket clip?

I can’t wait to see this. I’ve wanted to do a build like this for a long time, but didn’t have the resources. It’s good to see someone actually doing it.

Pöbel wrote:
you might run into pump trouble. 1500W with 2×280s will surely exceed the maximum allowed Pump temperature.

That shouldn’t be a problem if the pump is after the radiators unless the radiators can’t provide adequate cooling.

The low mode should be lower.

Reviews: Efan IMR18350 700mAh 10.5A, <a href="http://

Hobo
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Subscribed!

8) Lube Threads Everyday 8)

Pöbel
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the water temps in such a loop don’t differ much before and after the rads because of the high flow rate. Single digit K at max.

It’s a common misconception that you get “cold” and “hot” parts in the loop.

The bigger the difference between coolant and ambient, the more heat can be removed by the rads, but this is limited by the pump he chose

contigo
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You gonna track Elons Roadster with it?

Enderman
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The_Driver wrote:
Here’s my (German) thread where I calculated that.

Nah, I calculated that myself over a year ago Smile
http://budgetlightforum.com/node/50518
When you drive it at 2x the base spec you get the 500W 70k lumens.
Still really good efficiency, over 100lm/w, assuming it is cooled properly.

leaftye wrote:

That shouldn’t be a problem if the pump is after the radiators unless the radiators can’t provide adequate cooling.

Temperature difference before and after a radiator is a fraction of a degree, unless you have a really weak pump and low flow rate.
sovereignknight
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Subbed. I gotta see what you do with thoes CXA’s! o.O

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RattleSnake
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FmC wrote:
Can’t wait to see more of this!

No idea what the centerpiece is in the reflector – is it just hollow?

The_Driver wrote:
The cones in the reflectors keep you from seeing the LEDs directly. They might either reduce the spill light around the hotspot (if they are lenses) or they might make the spill even wider (if they diffusers). The might also be cone shaped reflectors which redirect the light to the main reflector, also minimizing the spill.

Cones are hollow.

1“>IMAG0494<sup class=1“>

RattleSnake
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Enderman wrote:
You could get similar power draw and higher lumen output by using three Citizen CLU550 LEDs Smile Up to 70k lumens 500W each. https://www.digikey.ca/product-detail/en/citizen/CLU550-3626C1-65AL7G4-B...

Over 100 volts could be an issue though Silly

RattleSnake
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contigo wrote:
You gonna track Elons Roadster with it?

Maybe send some morse code.

RattleSnake
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Pöbel wrote:
you might run into pump trouble. 1500W with 2×280s will surely exceed the maximum allowed Pump temperature.

Its an EK pump that cost me AUD $120ish so the quality is there.

Pöbel
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I know, I’m using the same pump. Maximum coolant temperature is specified at 50°.

1500W with 2× 280 rads will exceed 50° coolant temperature. If you only use it for short(ish) bursts and do not let the coolant reach maximum temperature you might be ok.
Adding a coolant temperature sensor + display (these are available for under 20$) might be a relatively easy fix, so you can switch off or reduce power when it aproaches critical temps.

RattleSnake
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Rear panel and front panel cut, front led positions marked out.

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Chassis and fan holes cut.

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Front view showing the “Water Block” in position.
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Chassis “Finished”

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Frame getting painted. Metal etch primer all over then Epoxy enamel for the inside and truck bed liner for the outside.

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lichan
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Subscribed.

XD9
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Interesting…

The_Driver
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RattleSnake wrote:

Cones are hollow.

1“>IMAG0494<sup class=1“>

Weird!
Maybe they are only supposed to block one’s direct view of the emitter?

wdkingery
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yep i’ll subscribe to this

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