Quote:
Originally posted by bigben2k
What you really want is a flowmeter, as well as two pressure gauges....
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Flowmeter is going to equate to substantial pressure loss. The advantage of using pressure differential as suggested is that provided one has data for the rad one can backcalculate flow rate reasonably well in their cooling loop without adding more resistance. Sure we could throw thousands of dollars at the problem of measuring flow rate directly in our system's loop, but Sean's suggestion would get reasonably close without much money being expended.