Re: "Nazca" - Waterblock Concept
 

I ordered them from http://www.bravocompanyusa.com/ at $3 each for a completely unrelated project. I had spares and realized that they fit over the tubing.
There's ALOT of space between them because I wanted to leave room for the compression cuffs.

I can get back to the milling tomorrow morning.

Re: "Nazca" - Waterblock Concept
 

The milling looks great. By action springs, do you mean the buffer tube spring?

If I was to do that block, I would have milled the outside channel first, that way you dont need to plunge the little end mill. It just saves on the possibility of mistake.

I havent taken my buffer tube spring out yet, but it does seem quite stiff, possibly too stiff for this kind of application.

Jon

Re: "Nazca" - Waterblock Concept
 

Yeah, they are kind of stiff. http://www.bravocompanyusa.com/Carbi...%20carbine.htm
http://www.bravocompanyusa.com/photo...0Carbine-2.jpg
They have a good bend radius and they aren't too heavy. I shouldn't have any kinking problems in my loop though because I planned it out meticulously in advance to avoid them.

Re: "Nazca" - Waterblock Concept
 

What size tubing are you using?

Do you have an AR15?

Jon

Re: "Nazca" - Waterblock Concept
 

1/2"ID 3/4"OD

Nope, I only have .22 cal firearms. I bought the springs for an unrelated project.

Re: "Nazca" - Waterblock Concept
 

isn't an AR15 an assault rifle? 0.o

Re: "Nazca" - Waterblock Concept
 

It's the semi-automatic version of the M16.

Re: "Nazca" - Waterblock Concept
 

A very fun one!

Re: "Nazca" - Waterblock Concept
 

Holy Rabbit!

Re: "Nazca" - Waterblock Concept
 

just took care of that one last night lol

anyway, back to the waterblock!
hows that base comming? From the pic from the 1st it looks nearly done, just missing the outer channel?


Jon

Re: "Nazca" - Waterblock Concept
 

Seems like that rabbit has something.. wrong.. Watching the thread closely :X interested in how it turns out, looking pretty prime thus far.

Re: "Nazca" - Waterblock Concept
 

You missed the head! Blowing off heads is the most fun!

Keep up the good work man! If you have success with your Nazca concept I might do something similar that I had been thinking of last year.

Re: "Nazca" - Waterblock Concept
 

The block is almost finished. Today I made the top and the milling on the base is 99.5% done. I just have to back to the machine shop tomorrow morning to mill the last few short legs in the channels and then mill the O-Ring groove. I left the block there because I didn't want to have to setup up the depth gauge again in the morning.

Needless to say the base has taken forever. Since I'm milling with a 1/16th" bit I can only cut out 0.05" of depth at a time. Therefore each single "leg" of each channel requires 3 passes to reach the 1/8" final depth. And since there are 88 legs total on the bases that means I've made a total of 264 cutting passes on the base. I've also gone through 5 milling bits working on this block because it took a while to figure out the best setup to avoid breaking them.

Re: "Nazca" - Waterblock Concept
 

0.o no kidding... that would take forever definitely >.>' I wish my metal CNC was up and running. I already have a cad drawing waiting to be cut... But yeah in the mean time... i'm making my computer case =p.

Re: "Nazca" - Waterblock Concept
 

The CPU waterblock is done. I just need to take it back to the shop to put it in the ultrasound bath for a while because I've been lapping it all night long so it's all dirty again. I may need to do some touch-up milling on the top as well. All of the hard work is done and I should be able to send this out for some testing by this weekend.
The base alone has involved around 15 hours of work.
http://www.captainslug.com/modding/mk6_9999990.jpg
Took this picture right before I counter-sunk the bolt holes.
http://www.captainslug.com/modding/mk6_9999991.jpg
Test-fitting all the parts.
http://www.captainslug.com/modding/mk6_9999992.jpg
It's anything but perfect. Trying to do all the channels at 3 seperate times, setting up the mill each time, was a pain. But everything lines up and it goes together perfectly.

Measurements
Channel height = 1/8"
Channel width = 1/16"
Base thickness = 2mm

Re: "Nazca" - Waterblock Concept
 

whys the plexi part so huge and thick?

also it looks VERY good, but, what about this design makes you think it would perform very well?

Re: "Nazca" - Waterblock Concept
 

That is definately a very nice peice you have there! I'm amased how well it came out, and the 15 hours of determination:p I'd have given up after 4 lol

Whos testing it?

Jon

Re: "Nazca" - Waterblock Concept
 

The top has to be atleast 1/4" thick to have enough threads to hold fittings. But the top also had to have the widening inlet and a 1/4" tall outlet channel. A thicker top will also make the block more durable. Both the top and the middle plate are made out of polycarbonate, which is far less likely to stress fracture over time than acrylic. Polycarbonate can also be solvent-adhered to itself, which makes putting the block together a little bit easier for me because it means I can use one less O-Ring.
The design was develop from my intuition, which is based on several months of research into the waterblocks that others have made as well as alot of constructive feedback from this community and others.
http://www.captainslug.com/modding/nazca-9.jpg
The nozzles will be "spraying" both the base and the walls of the channels in the center square inch of the block. The channel walls (or fins) are congruent from the center of the block, which alot of complicated math and evaluation by many others have shown that it should be more effective than pins. And I'm using the dimensional ratios for channel size, channel wall thickness, and base thickness that others have determined to be optimal.
So I'm borrowing alot of expertise from Cathar, BigBen2k, D-Tek, JFettig, and definitely davidzo. All of whom I would like to thank for being so constructive.
Not sure yet but I've e-mailed Joe Citarella to see if he might be able to.

Re: "Nazca" - Waterblock Concept
 

Great job man. I'd love to see the test results. How big is the actual square center?

Re: "Nazca" - Waterblock Concept
 

For some reason, I couldnt get any of those guys to test my blocks, I know it was partially becuase I was considering selling them, I offered them some machining services and they didnt take it. I went to phaestus(sp?), and joe, maybe another...


Jon

Re: "Nazca" - Waterblock Concept
 

Here's a picture showing the nozzles and 3 squared dimensions. Center square is 1 inch, then 1.125", then 1.25". Non-IHS processors would fall directly within the nozzle pattern.
http://www.captainslug.com/modding/nazca-90.jpg
Darn. I hope I have better luck. Otherwise I'll just have to ask you to test it. :D

Re: "Nazca" - Waterblock Concept
 

lol, sorry, it sounds like you'll be testing your own block, I haven't had a computer to watercool for a couple years, I now have a mATX computer but I havent had the desire to make a mess of it. I still do enjoy watching people make cool stuff.

I'll take a look around to see if I have anything that you can compare it to though if you want to test something along with it, unless you have a retail waterblock somewhere?


Jon

Re: "Nazca" - Waterblock Concept
 

I still have my test bench pretty much setup. I even milled up a fresh die sim. Just haven't had time to use it. If you don't have any luck getting it tested I can put it up against a Cooltechnica/AquaExtreme White Water SE, MP-05 SE, MP-1 CPU, IceFloe and MP-05 Pro.

Tests will be somewhat limited to my test bench though as with any test bench. I have it setup now with 1/2" x 1/2" die area at 72watts. Will test multiple flow rates (if possible). Only thing I have yet to get setup is the Foxboro dP meter as I still have no way to get a reading from it. Need to pick something off ebay one of these days.

Anyway let me now if all else fails.

Re: "Nazca" - Waterblock Concept
 

That would be very helpful jaydee because the only block I have to compare with is a cruddy old maze 3 that needs cleaning. I'll let you know by this weekend.

Re: "Nazca" - Waterblock Concept
 

captain slug, the jets don't fall on the IHS edges? Heat transfer from an IHS is primarily along the edges of the IHS, not the center. Is your WB designed for cpus with no IHS?

Re: "Nazca" - Waterblock Concept
 

It's designed for both. Not all of the heat transfer on an IHS processor is around the edges. So you can't concentrate all of the turbulence on just one area.

I over-worked all of the muscles in my right forearm while lapping the base so I haven't been able to do much since Wednesday.

Re: "Nazca" - Waterblock Concept
 

I don't follow this at all. All thermal illustrations and IHS tests I have seen show heat transferring pretty much right through the center of the IHS with heat spread slowing way down as it reaches the outer edges. The efficiency of the cooler will dictate how much heat makes it to the edges of the IHS but any good water block should pretty much keep it off the edges.

Re: "Nazca" - Waterblock Concept
 

hmm really jaydee? I seem to remember the heat being transfered from the edges of the IHS... oh well. I don't remember where I read it at all. It was a thermal camera or something. I really can't remember.

Re: "Nazca" - Waterblock Concept
 

Re: "Nazca" - Waterblock Concept
 

That pretty much backs up my point of view. Them more efficient the cooler the less heat should make it to the edges (theoretically).