How would that work if I put a hatch cylinder behind the rad. and counter balance it with an adjustable spring, then a cable and two pulleys to some sort of a sliding door(also spring loaded) in the grill. that way it would be proportional not just open or shut. how could the opening be made aero efficient at partial opening.
Frank Lee what did you have in mind for a mechanical thermostat?
Last edited by diesel_john; 02-01-2008 at 06:06 PM..
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