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Unread 11-04-2004, 08:15 PM   #12
Cathar's Avatar
Join Date: Sep 2002
Location: Melbourne, Australia
Posts: 2,538

For me it's a bit of a no-brainer, and it has to be the MCP600/AquaXtreme 50Z.

For 80mm/92mm/120mm heater-cores, the MCP600 is the pump you want to have.

For anything larger than a single BIX/BIP, grab a power-adapter for $30 and run the MCP600 at 13.8v. Even with much larger radiator setups all this does is bring the more powerful pumping solutions up to the MCP600 @ 13.8v's level, but they'll all be sucking so much more power to do so.

If Iwaki, or another company, made a 12VDC version of the 60Hz Iwaki MD-20RZ with the corresponding lower heat and more efficient DC motored operation, then that would be the one-size-fits-all pump with leading cooling performance for anything from a single BIP right up to a quad-fan monster radiator setup. The MCP600 @ 13.8v comes pretty close though. Just a little more oomph (~40% more pressure head) and it'd be absolutely perfect despite the small amount of extra power draw to do that. Problem with over-volting the MCP600 further is that it can't handle anything much more than 14.5v before the armature magnet "decouples" from the impeller and the pump stops pumping.

Last edited by Cathar; 11-04-2004 at 08:21 PM.
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