Thermal Cowl flaps

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Stuart Atwill
Posts: 22
Joined: May 6th, 2009, 8:01 pm

Thermal Cowl flaps

Postby Stuart Atwill » October 23rd, 2017, 6:17 pm

I have used ThermaCowl heat activated cowl flaps on my Corsair for many years. It was made by Oregon Scale Aviation Inc but I can't find them anymore.
Does anybody know of a similar product?
The engine heat is sensed by a thermal probe which drives the cowl servo open and closed.
Has worked perfectly even in a harsh environment for about ten years.
Thanks for any help.

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