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Cathar · 05-12-2004, 09:05 PM

An MCP600 oc'ed to 15-16V gives US-spec Iwaki MD15-R sort of performance. A 15VDC power-pack is a pretty cheap thing, and the MCP600 + 15VDC powerpack would be considerably less than the Iwaki MD15-R.

Not that overclocking of DC pumps is a terribly good idea if you care about warranty or pump life-span (I don't and I don't try to RMA a product that I broke - I accept the consequences of my actions), I still wouldn't recommend running the MCP600 at more than 15V as it may not reliably start up above that voltage.

I use 2 x D4's in series for my testing, attached to a lab bench PSU where I can run the voltage from 5V (Eheim 1046 sort of performance) right up to 16V (US-Spec Iwaki MD-40RZ sort of performance).

I tell ya, the 2 x D4's in series at 16V provide plenty of push, hitting around 19PSI or so if you want to try to stop them from flowing. Excellent cheap pumping power.

05-12-2004, 09:05 PM	#158
Cathar Thermophile Join Date: Sep 2002 Location: Melbourne, Australia Posts: 2,538	An MCP600 oc'ed to 15-16V gives US-spec Iwaki MD15-R sort of performance. A 15VDC power-pack is a pretty cheap thing, and the MCP600 + 15VDC powerpack would be considerably less than the Iwaki MD15-R. Not that overclocking of DC pumps is a terribly good idea if you care about warranty or pump life-span (I don't and I don't try to RMA a product that I broke - I accept the consequences of my actions), I still wouldn't recommend running the MCP600 at more than 15V as it may not reliably start up above that voltage. I use 2 x D4's in series for my testing, attached to a lab bench PSU where I can run the voltage from 5V (Eheim 1046 sort of performance) right up to 16V (US-Spec Iwaki MD-40RZ sort of performance). I tell ya, the 2 x D4's in series at 16V provide plenty of push, hitting around 19PSI or so if you want to try to stop them from flowing. Excellent cheap pumping power. Last edited by Cathar; 05-12-2004 at 09:50 PM.