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1. 08:12 AM - Flight Test for a Remote Oil Filter Kit on the Stratus Subaru (Larry McFarland)
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| Subject: | Flight Test for a Remote Oil Filter Kit on the Stratus |
Subaru
Hi guys,
Sept 10 After a Hy-Vee lunch with the guys, I went to the hangar and did a
thorough preflight, did take a full 5 quarts to top oil off before startup.
The Subaru fired up immediately and I taxied out. Oil temps began at 60
p.s.i. and when warmed went down to 45 p.s.i. Tower cleared me for 10. The
lift off was trim-adjusted with no perceptible feel for the weight change up
front. I flew south of the control zone to the designated "practice area.
Oil temps at 3000 feet reached 228 degrees at 4300 rpm and I progressively
brought up the power in 100 rpm increments every 8 minutes or so. CHTs
stayed 190 to 200 degrees, EGTs 1380, Coolant 200 and when rpms reached 5100
and airspeed at 128 mph, oil temps never went over 233 degrees. All other
temps stayed well in the green. The remote oil filter kit resolved the max
temp issues. I stayed on an east west track until I was satisfied that the
engine was happy within its full range of operation and then headed back to
Moline. Descending at 125 into the pattern was easy, the landing was smooth
and I taxied back to the south tees with 175 hours on the engine. The cowl
was unbuttoned, the engine was drip-free and oil hoses stayed where they'd
been clamped. Pictures are added
<http://www.macsmachine.com/html/subaruengine.htm> to the bottom of my
engine page that shows the components and installation in greater detail.
Very satisfied with this modification! Data was entered into the logs.
Larry McFarland 601HDS at www.macsmachine.com
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