That makes sense. So the advantage of an electric water pump would be finer control over how hard it pumps at what coolant temperatures, independent of engine speed?
You could have a microcontroller and a map of flow rates (current to apply to the pump) at different coolant temperatures, but with upper and lower bounds on flow rate such as "never apply less current/pump any slower than x gpm" and "no matter how hot things get, never apply more current/pump any faster than y gpm".
posted by 216.239....
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