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Originally Posted by kevmor99  Before I started flying complex airplanes, I thought cowl flaps were controlled constantly as I saw them in the after landing checklist, after the climbout, etc. but in flying the Seminole and 182RG, we've always left them open the entire time (it's been warm, 80's).
What do you guys do? On a cross country, set the cowl flaps to an area that keeps the temps. in the middle, and if you're doing a long descent, close as needed to stay in the same spot? |
In the Duchess I fly, the cowl flaps have little to no effect on cylinder head temps. Winter, summer, climbing, whatever -- temperatures don't vary much unless an engine is at idle or shut down for a pretty long time. Even so, just to keep good habits, or to feel like I'm doing something useful, I keep them open for taxi, takeoff, and climb and close them until after landing. On that airplane, the cowl flaps are also constantly creeping open and closed by themselves. I'm rambling now.
-C.