AC 447 ultralight perf specs

hjajr

Newbie
Joined
Mar 31, 2008
Messages
769
Location
Talihina,Oklahoma
Aircraft
gyro,helicopter,fixed wing
Total Flight Time
3100
Larry What I know is the Water pump seals will be Ok if you use the orange antifreeze. There are people that do the water pump shaft and seal upgrade but have said it was due to not using the orange stuff. Other than that the other much needed one is the wrist pin bearings need to be changed out from the caged to cageless bearings.
 
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