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zoson · 10-21-2003, 09:01 AM

I'm wondering if anyone has done any quantitative testing on the effects of undervolting fans and the relationship between the voltage supplied to the fan and the cfm output of the fan.
Is the relationship linear? e.g. a 100cfm fan dropped from 12v to 7v is about 59% the power of the fan, so would that mean that the fan is producing now 59cfm?
-Zoson

10-21-2003, 09:01 AM	#1
zoson Cooling Savant Join Date: Nov 2001 Location: X Posts: 204	undervolting fans. cfm/volt? I'm wondering if anyone has done any quantitative testing on the effects of undervolting fans and the relationship between the voltage supplied to the fan and the cfm output of the fan. Is the relationship linear? e.g. a 100cfm fan dropped from 12v to 7v is about 59% the power of the fan, so would that mean that the fan is producing now 59cfm? -Zoson __________________ Core i7 930 @ 4254Hz 22x193 \| ASUS R3E 901 BIOS \| 12GB Mushkin Blackline 3x4GB @ 1547MHz 7-8-7-24-1N \| Lian Li PC-A10B 2x EVGA GTX275 SLI @ 720/1266/1566 \| 2x 80GB Intel X25-M G2 SSD Raid 0 \| 3x 1TB Samsung Spinpoint 7.2K Raid 5 \| Corsair 950TX H2O \| Enzotech Sapphire Rev.A \| EK-FB RE3 \| Swiftech - 2x MCW60/GTX275 Unisink, MCP655b, MCRes Micro.v2 \| 3x HWLabs SR1-120 あなたの神への弓 Time isn't wasted, when you're gettin' wasted.