912ULS friction and oil pressure
in 912 / 914 Technical Questions
9 years ago
Hi. I have 912ULS with 700hrs after overhaul.
I have two strange issues with this engine. One is oil pressure - it's quite high, on hot oil (110*C) i have 4-5bar. I have another plane with 912UL and there I have about 3 bar... I tried a few pressure senders and it's the same also on service clock.
Second, when engine is hot (after flight) i can feel that prop is turning with higher friction than on cold engine. I mean friction between compression points. In other planes friction is lower.. On cold engine is good.
Engine runs fine, I making also glider tow and have no problems with temperatures and power. I'm using aeroshell sport plus 4 oil and changing it every 50hrs.
I have two strange issues with this engine. One is oil pressure - it's quite high, on hot oil (110*C) i have 4-5bar. I have another plane with 912UL and there I have about 3 bar... I tried a few pressure senders and it's the same also on service clock.
Second, when engine is hot (after flight) i can feel that prop is turning with higher friction than on cold engine. I mean friction between compression points. In other planes friction is lower.. On cold engine is good.
Engine runs fine, I making also glider tow and have no problems with temperatures and power. I'm using aeroshell sport plus 4 oil and changing it every 50hrs.
