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Building Integrity
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Date:  5-9-2016
Number of Hours:  1.50
Manual Reference:  Section 2
Brief Description:  Auto Pilot Fail and a possible fix

So every time I fly for over 30 minutes with a high power setting, I've had my Auto Pilot shut down and give an error message that my Roll servo is out of temp spec and I get a hardware failure message. Knowing now that my in cowl temps have been high enough to expand the wing root foam, I don't doubt that it's completely an overtemp issue. I'm just hoping that I haven't permanently damaged the servo. So now, instead of pumping even more air into the cowling to cool the servo, I decided to relieve the cowl of it's high pressure hot air and bond in a reverse naca just aft and above the servo. This addition should allow a large amount of heat to be pulled out of the cowl in this location as this is a well known LOW pressure area good for such a thing. I'll be taking her out for a long 1 hour flight to see how she does. If it works then this will be finished up as the solution.
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Location of Reverse scoop

Location of Reverse scoop

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Riveted in for test flight

Riveted in for test flight

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