[Lmandrake]

Like the previous poster said, its done by putting the pelts on a large block that water runs through and having a separate means of cooling the hot side of the pelts.

I have done it and in my experience it is just too inefficient. It really takes a lot of energy to cool a sufficient quantity of water.

There is a pelt driven device out there with a copper rod that forms an ice ball when cooled by the pelt. If you have sufficient periods when your pc is off and the ball does not erode too much, you could probably make something like that work.

The best multiple pelt idea i have seen was on some web site in italian where 4 or 5 pelts were arranged around the perimeter of a huge copper slug that sat on the cpu. Certainly a ton of effort went into that, and I wonder how well it worked.

Even a single "pelt on the cpu" setup is a fair amount of work.

When you get into these multi-pelt setups, you are spending so much time and money that you might as well go to phase change..