Directly cooling a peltier unit can't be a good idea. Plus, where are the leads going to be coming out from. I hope you do a good job sealing it, and I hope your leads don't corrode (plus, you'll be shorting the shit out of it due to your coolant ... do you feel lucky?). You'll hate yourself for trying. Believe me. [Edit: the leads are exposed where they go into the pelt ... current would short between the leads through the coolant and would demolish your powersupply and other components attached to it ... even if that didn't happen and the leads didn't corrode, it would create a battery effect in your coolant due to the fact that the leads aren't copper ... translation: any way around it, you're screwed]
As far as online metals go, what I like is that you're getting the real deal. They guarantee their metal's content ... from most scrap dealers you don't know what you're getting. Pure copper is better than any mixture/alloy. $10 for a near-pure copper coldplate that needs nothing but lapping is a good deal, by my reckoning.
Last edited by airspirit; 08-01-2002 at 05:00 PM.
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