Phillip Owens's Blog – November 2010 Archive (3)

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short flight after modifications to plug wires & oil cooler

On Monday rolled out the 801 with the cowling off, warmed up the engine and reset the idle to 800 RPM warm, put the cowl back on and added some fuel then rolled to Rwy 22 for another test flight. Plane came off the ground after only a short roll and was climbing at 80 MPH, cylinder temps remained within the limits and noted the oil temp had dropped to 220-240 F and held there, EGT s remained balanced throughout the flight. Flight was very bumpy as a storm was brewing just south of the airport… Continue

Added by Phillip Owens on November 23, 2010 at 4:24pm — No Comments

plug wire changes

I had noted the plug wires as originally run appeared to be blocking airflow into and around the cylinders, so to improve the airflow I changed the location and manner in which the plug wires were run. The photos posted are only a few of those that tell the story of the change and I will try to include more photos as allowed. Take notice of the clear air pathway thru the intake plenums and how the plug wires now are barely visable within the plenum. I also made use of the old plug holes to…

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Added by Phillip Owens on November 19, 2010 at 4:04pm — No Comments

Building time and tweaks

Now that we have the cylinder head temps within acceptable range I note the oil temp is higer than I would like, so will try opening up the air intake on the oil cooler, since it is baffeled the additional air should go thru the cooler and lower the temp. Will know after the change. Still running on Mineral Oil but temps seem to be stabalizing as we go along. Lets hope the weather cooperates.

Added by Phillip Owens on November 9, 2010 at 2:51pm — 3 Comments

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