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Originally Posted by Hansfragger
I would be interested in seeing your brass reservoir. I designed my external cooling rig and the res is the only part I'm not happy with. I can't find anything on the market that is laid out the way I want. I am replacing my current res with a clear round acrylic res I am drilling and tapping new holes for 9/16-18 DD high flow barbs in the positions I want. I started to make one out of a "Carlon" Marine electrical junction box, but decided to do this one 1st. I have tried a lot of ideas with this Carlon(a dense type of plastic-it feels pretty nice)res, Just haven't decided which of a number of different placements for the baffle yet. A brass res would be too sweet. I found a trick brass adjustable sight level indicator at Graingers-let me know if you would like to see a photo of it. Good luck with your block.
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Ask and ye shall receive.
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The hole size is equivalent to the g7 so it should be fine. However H/D (plate height to jet diameter) should not be more than 15 and ideally needs to be more like 1 for jet based cooling to work. This is a pressure tradeoff as well so its abit more complicated than that because cooling performance increases slower than pressure drop. The center to center distance is roughly optimal but it is preferable to use something like the extend jets that are used in the G seris as it allows water to flow away from the plate. More distance might be advisable to aid this. Bear in mind that the jet plate may deform in use unless it is thick. Porting the jet holes is a v good idea as well.
I am current developing a high performance block that you could use but need to turn a seris of sketches into a proper design. Should work better than a block of this type but it is primarly designed to be easy to machine so might be abit simple for your uses. Its high pressure drop as well but thats a design variable that i could change (trade per lpm perfromance for less p drop). I just need to write it up.
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I will check and make sure the ratio is somewhere around 15 for the H/D. I think it's much bigger than that.
As for keeping the weight down, the analysis I've done on this block in the CAD program tells me that it weighs less than the solid brass DD MAZE4GPU. I'd like to leave the jet plate as a brass piece... mainly cause I don't trust delrin to not warp or something.
Anyway, I'll check some things out and post some pics of my block. I've gotta still put the o-rings in... then it should be done. Thanks for the feedback so far!