Quote:
Originally Posted by Weather Spotter
....I am thinking of a sliding door with slots (but that is just at the moment)....
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The sliding door approach is fine if you don't need more than 50% of your radiator area remaining for cooling.
No matter how a sliding door arrangement is configured, the maximum remaining flow area is only 50% of the original.
Just something to keep in mind with this type of design.
I personally favor rotating slats. It gives you closer to 100% flow area depending on how thick the individual slats are and how many, but is more complicated to fabricate.
When I do an adjustable cooling duct, it will be with slats.
Jim.