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Unread 02-09-2004, 10:38 AM   #1
|kbn|
Cooling Savant
 
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Join Date: Feb 2004
Location: W. Sussex, UK
Posts: 329
Home made waterblocks

Ive been reading these forums for a while and made one block already for gpu and im going to make more blocks for cpu and change the gpu one a bit so i decided to register here so i could get some opinions on what sort of blockwould be best.

http://server5.uploadit.org/files/kbn2k3-wbfin1.JPG
http://server5.uploadit.org/files/kbn2k3-wbfin2.JPG
http://server5.uploadit.org/files/kbn2k3-9700np2r1.jpg
the block is made of copper pipe with a 5mm thick silver base. the silver has a brushed finnish on the inside, but has no fins or channels or holes to increase surface area - it relys on high flow rates a lot for good performance. it does acctually perform very well imo (well it is the first gpu block ive used...), as i can get my 9700np up from stock of 275mhz core upto 410mhz core without vmods (1.48v stock), and with vmods (1.8v is max i tryed) its artifact free upto 475mhz and the back of the gpu hardly gets warm.

this picture shows the cpu block ive been using (i got it for £10 inc postage )
http://thermal-management-testing.com/Atlantis.jpg
but ive recently found out that my slk800 that i had before is much better by about 5-10c even with a low cfm fan, this has really confused me.

i think the next wb i will make would be a fin based cpu wb with a silver base and 10mm tall copper fins silver-soldered onto the base. im not sure how to make the sides and top, though a copper block in the middle with a polycarb or copper top is probably the best way atm. i will try making some designs in truespace around this but i need more ideas
btw i dont have cnc, or a mill, not even a drill press. im limited to normal household tools unfortunatly

also somehting ive been looking for is a pic of the insides of a maze4 gpu block - i cant find one anywhere. im interested in the design used in it, as i think my block has better performance from comparing other peoples results

Last edited by |kbn|; 02-09-2004 at 10:50 AM.
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