Quote:
Originally posted by jaydee116
Ahhhh! I knew there was another way to do it.  Hummmmm, this is very interesting. I wonder what they would charge for something like this and in a microchannel design like Cathars. Silver WW anyone? 
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I investigated sand-casting. The channels are too fine for anything other than a one-off cast as the fins of the mould would snap as they are too deep. At least this is what about 20 different sand-casting places told me before I got the hint...