Update to the 9A oil cooler project. Last weekend I was sitting at the run up area for an extended period of time on a moderately warm day with the engine running. During that period the oil temperature got up to about 201 but as soon as we got some air moving over the cowling the temperature dropped to 185 and stayed there. I am curios to see how this will change on a hot day with a long taxi like we see at Oshkosh. I may have to go back to the larger inlet ring and restrict the outlet (already planned) when needed. All that said 201 degrees is not bad, the caution alert doesn't come on until 220 and the red line is 240 I think.
Now its on to rigging the aileron controls and then starting work on the flaps.
|One of the ailerons as I was riveting the skins on.|
|"Acorns in a hole" as the Van's plans describe it. This is the back side of the double flush rivets. Because you are forcing the rivet into a hole it tends to bend the dimples a bit as you can see from the reflection of a few.|
|Almost perfectly straight!|
|Top side of the aileron. Nicely set back rivets.|