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Slartibartfast's homemade waterjacket
Date 20th October 1999
Author Slartibartfast
Editor James "Agg" Rolfe


20-Oct-99 - Slartibartfast (he of the slot-1 voltage hack) has whipped up his own water-cooling jacket.

Thought I would let you know about a water cooler that I made, it is slightly different from the covered heatsink designs most people use. It is quite simple really;


1 - Get a bit of copper bar, mine was 100mm wide and 10mm thick, and cut off about 30mm.
2 - Drill holes through the copper from one side to the other (see diagram).
3 - Get some thin copper tube (about 10mm diameter) and cut two lenghts about 130mm long.
4 - Trim the edge off each piece of pipe for 100mm of their length (I used a tin nibbler).
5 - Tin the edges of the copper bar and copper pipe.
6 - Solder tube on top and bottom of copper bar (See diagram).
7 - Tin a small copper coin and solder one over each open end of the copper tube.


My soldering iron did not heat the copper bar enough to solder so I sat it on top of a gas stove, worked great.


I have this running with a small pump in a 20 L bucket of water. It keeps my celeron 333 running at 500 MHZ and 2.1 volts, the CPU gets around 3-4oC hotter than the water temp at full load.


Without water cooling this CPU would only boot at 500 with 2.3 volts and was very unstable.

PS. How do you like my Case, it has great air flow ;-)

This article originally appeared here.

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