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[Build Log] Water Cooled Raspberry Pi Mod/Build.

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post #1 of 293 (permalink) Old 07-17-2013, 02:57 PM - Thread Starter
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So I sat musing today thinking that I need a new project as I've been rather bored of late.
Only water cooling I've done has been with CLCs and I thought I would get into it via a safe route with less risks but still have some fun, therefore my new project:


Watercooling a Raspberry Pi.


Completely overkill, but who cares? This is OCN after all.

My plan!

Use a small generic pump, two small (individual) ram water blocks and a reservoir. No radiator here as I doubt it will get that hot.

I plan on making some form of case for all these components from perspex, mounting the pump and res down below, and the RBP up top, maybe flipped upside down to route tubes better (not sure yet)

Components:

Two RAM water blocks
Generic 12v Pump (operating voltage 3.5v-12v)
1m 3mmID 6mm OD clear hose
Raspberry PI

Update 1: The radiator.

Update 2: The layout (Sketchup).

Update 3: Starting work on the scratch case.

Update 4: More scratch case work.

Update 5: Packages, hoses and altering fittings.

Update 6: More fittings and a revised loop layout.

Update 7: The Raspberry Pi!

Update 8: Installing the operating system.

Update 9: More hoses being fitted.

Update 10: Refitting the water blocks.

Update 11: This Arctic Silver Thermal Epoxy is great stuff!

Update 12: More of the loop appearing.

Update 13: Power supply options.

Update 14: Lighting option.

Update 15: HDMI port.

Update 16: Test fill.

Update 17: Better lighting photos.

Update 18: More I/O ports and power.

Update 19: Finished rear panel.

Update 20: Work on the front panel.

Update 21: A size comparison.

Update 22: The pump!!!

Update 23: More wiring and sleeving.

Update 24: Work on the front window.

Update 25: Finished perspex window.

Update 26: Refill and retest.

Update 27: Chassis painting.

Update 28: Semi-final photos.
Quote:
Originally Posted by Erick Silver View Post

To be able to watercool something that small is no small feat. The time and effort should be applauded. The other entries are stunning and well done. But I just get that felling when I look at them that says: "Its been done before." The super clean water cooling tubing, spectacular lighting, etc. But the Pi. The time and effort to get the blocks, the coiling of the copper tubing, the planing and modding of the other components. Thats not something that done on a weekly basis. Thats what gets my vote. Its out side of the box and extraordinary.
Final photos! (Click to show)
Quote:
Originally Posted by wthenshaw View Post

Ambient lighting, powered off, suppressed flash..


Ambient lighting, powered off, suppressed flash..


Ambient lighting, powered off, suppressed flash.


Ambient lighting, powered off, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, forced flash.


Ambient lighting, powered on, forced flash.


Ambient lighting, powered on, forced flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Ambient lighting, powered on, suppressed flash.


Credit to Artikbot for suggesting the pump, thanks again for the help
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post #2 of 293 (permalink) Old 07-17-2013, 05:32 PM
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Smallest reservoir I can think of is 40mm from bitspower.
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post #3 of 293 (permalink) Old 07-17-2013, 05:33 PM - Thread Starter
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Links of you have them please? This seems to be the hardest to part unless I make the case a lot bigger than I want it
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post #4 of 293 (permalink) Old 07-17-2013, 05:50 PM
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post #5 of 293 (permalink) Old 07-17-2013, 06:47 PM
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Yes, that one.
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post #6 of 293 (permalink) Old 07-17-2013, 07:09 PM
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Don't know if THIS would work or not.

Just puttin it out there

Quote:
Originally Posted by Tsumi go_quote.gif

You're just nitpicking words now. I was talking about in terms of performance, those are the only measurements that matter. Not IPC or clock speed.
Quote:
Originally Posted by Tsumi go_quote.gif

If Bulldozer came out of the box at 5 ghz and overclocked to 6 ghz on air, no one would have said it was a failure.
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post #7 of 293 (permalink) Old 07-17-2013, 09:31 PM - Thread Starter
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Not been able to find the bitspower in Stock in the UK yet and the swiftech is still too big at about 100x100x38mm

Others have suggested just running a t line, which I may have to go with at this rate.
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post #8 of 293 (permalink) Old 07-17-2013, 09:32 PM
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Looks like a interesting build.
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post #9 of 293 (permalink) Old 07-17-2013, 11:46 PM - Thread Starter
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Decided against using a reservoir in favour of a T Line,

Currently toying around with the idea of some form of "radiator" solution, not needed I know but I guess the water will eventually start to heat up a little.

Still working on a sketchup of the layout etc. as I find the dimensions to new components.
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post #10 of 293 (permalink) Old 07-18-2013, 02:08 PM - Thread Starter
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Small update for you guys:

Experimenting with methods of cooling down the liquid slightly, and coiled up a meter of copper brake piping. I think it looks okay, needs spacing out a little first and maybe a polish. What do you guys think?

This also doubles up to add more water volume in since there won't be a reservoir.

Welded two sliders together for the general shape


started to wrap the pipe around the mould.


Current state






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