Mooneymite Posted October 19, 2023 Report Posted October 19, 2023 My '74 had a doghouse and fixed cowl flaps. When I bought my plane the doghouse needed several cracks repaired which I did under IA supervision. I speculated that these cracks were caused by vibration and made an effort to have my prop balanced periodically. This completely stopped the progressive cracking for the 25 years I owned my C. There is a lot of dissatisfaction with the doghouse in general, but i believe a well adjusted/maintained doghouse is fine. Even on the hottest Atlanta days, my CHTs stayed in the green. Fixed cowl flaps removed an item to be maintained.
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