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DT Sniper Waterblock

post #1 of 159
Thread Starter 
DT Waterblocks has a new waterblock.

You will notice that it is very similar to the 5Noz waterblock, it is really just a further refinement of that concept. This waterblock started life as a nozzle improvement study on the 5Noz, the end result was a completely new block. I have also made many changes to reduce the cost and improve the function.

You will notice that the waterblock top is one piece acetal, this reduces the cost quite a bit compared to two pieces with 5Noz. Massive port spacing, expect no fitting problems. Thumbnuts are expensive enough that I can just build them myself. These nuts have a 12mm hex, you can spin them with a nutdriver if you want, but they are quite easy to spin with fingers. The internal M4 thread in the thumbnuts bottoms out on the top of the mobo mounting screws when the springs are properly compressed, this feature controls the block mounting pressure.

attachment.php?attachmentid=127373&d=1338909776

The nozzle, this is the heart of this waterblock design and there was a heavy development effort to choose this nozzle geometry. The bow of the base is machined into the base contact face of the nozzle, so there are visible rings on those surfaces. You can also see a few features of the nozzle and top that poke-yoke these parts so that they can only be assembled the correct way.

attachment.php?attachmentid=127374&d=1338910053

The base, this uses thinner stock and requires much less machining than 5Noz. The fins and micro-channels are similar to those on 5Noz. These geometries were re-evaluated through testing, but I arrived at almost the exact same answer.

attachment.php?attachmentid=127375&d=1338910523
attachment.php?attachmentid=127376&d=1338910604

Mounted on a mobo, the thumbnuts almost cover the springs completely, there is a little gap so you can see the springs are not fully compressed as you install the block.
attachment.php?attachmentid=127377&d=1338910837

attachment.php?attachmentid=127442&d=1339068384

So, because this is Overclock.net and we are all about numbers, I did a quick dirty test.

I didn't use the stock mounting that came with the DTSniper, I used the mounting for my F1 Gemini since I am going to test on Dice in the next few days.
So pics look terrible and I won't post the images of the mounting. But i took 2 pics of Idle and Load temps with super high vcore.

Idle Temps @ 1.576v

7mSVC.jpg

Load Temps @ 1.592v

o8aIc.jpg

For testing I'm using a window a/c machine turned into a chiller, I never turned the unit on but the coolant has been sitting a week in a cooler at room temperature.
For normal testing on any platform i would test on the chiller before going to Dice or LN2. Since making the chiller i have been using the original Rasa cpu block and the flow coming out of the block back into the cooler (reservoir) was always a mere trickle of water. But with the DTSniper the flow is simply amazing...
Edited by XtremeCuztoms - 6/9/12 at 6:33pm
    
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post #2 of 159
I love the hex bolts on it. It's nice to be able to use a driver to attach the block. Thumb screws don't get it sometimes.
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post #3 of 159
Thread Starter 
ok so i tested with the chiller on for 15 min or just long enough to notice condensation on the monsoon fittings.
the thing i always needed to be worried about with the Rasa was the colder the coolant got the flow rate dropped more and more.
the flow rate on this hasn't dropped at all....

QoiYQ.jpg

IDrZA.jpg

Water Temp on the inlet (and my ghetto mounting) but any bencher will tell ya it's always a pain to remove all the water cooling stuff to make room for your LN2 pot..
9mu1n.jpg
    
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post #4 of 159
What are those fittings? They are beautiful
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post #5 of 159
Thread Starter 
Quote:
Originally Posted by votum View Post

What are those fittings? They are beautiful

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_346_1026_1027&products_id=33210
    
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post #6 of 159
Looks like an awesome block. Any idea when they'll be available?
post #7 of 159
Quote:
Originally Posted by Gears View Post

Looks like an awesome block. Any idea when they'll be available?

Now http://www.dtwaterblocks.com/dt-sniper-black/
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post #8 of 159
Nice stuff. I got the DT 5noz also because of flow rate issues with my chiller. In the process of rebuilding right now. These water blocks are like video cards, you buy one and the next best thing is already out... =P

Keep up the good work!
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post #9 of 159
Nice! I was kind of thinking the 5noz could be reduced to a 3noz with the extremely low pressure drop it had. Looks like he was tweaking on the mechanical contact too which is good. Looks really good, I like the deep chamfers and much improved thumbnuts, nice revision!thumb.gif
    
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post #10 of 159
Quote:
Originally Posted by theseekeroffun View Post

Now http://www.dtwaterblocks.com/dt-sniper-black/

Thanks, except it says it's not currently available. XD
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