It's common to have to open cowl flaps
at least partially to keep CHTs under control up high.
If the airplane has cowl flaps
, parking it facing downwind, with the cowl flaps
open, helps drive the heat out of the front of tbe cowling.
which function the same as hood flaps have been used in previous racecar designs, but to the knowledge of the authors, no data have been published on their effectiveness.
For example, don't set power, then jump over to turn off a fuel pump, then jump back to check the cowl flaps
Dealing with landing gear, pitch trim, cowl flaps
, propeller controls and wing flaps--among other controls--during a touch-and-go makes for a busy time on the runway.
If the aircraft has cowl flaps
, their proper rigging is essential for cooling efficiency--and for getting the most speed from the airframe.
I offered a list of items that ranged from power settings to pressurization to leaning and use of cowl flaps
with autopilot usage along the way.
Loose or poorly adjusted cowl flaps
may prevent it from closing completely.
It has a roomy cowl and large cowl flaps
, so overheating isn't an issue.
Really wrong: Your flaps are still at approach setting; your cowl flaps
must be closed because your CHT is redlined (top right of pilot yoke), your prop de-ice current draw is pegged (right meter below the radios--difficult to see), and SLI is the wrong frequency if you were planning to use it for backup.
--I have departed with cowl flaps
closed and caught it when the CHT told me I was over my 380-degree target.
With the propeller in the takeoff position and cowl flaps
open, we used the 115 percent maximum takeoff power setting (limited to five minutes), which is roughly 5500 RPM.