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Old 07-08-2020, 11:00 AM   #3477 (permalink)
aerohead
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twist or slide

Quote:
Originally Posted by Piotrsko View Post
Do they twist or slide?

They twist and are not used for cooling but keeping it warm
Thanks for the clarification. We were headed to lunch and I only saw it from a moving vehicle, so I can't say. They did remind me of the inlet vanes of some centrifugal blowers, as Texas Tech used on its scale wind tunnel air mover.
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