I have a 1994 912UL 80hp that I am running and seems to be having increased oil temp issues. The temperature doesn't rock up but the report I got was that it sat around 250 for a little then began to move higher past 270-280 after about 20 minutes of flight. The plane landed shortly after cause of this to limit any heating issues.
A few notes about the flight:
Temperature was a cool Sunday morning maybe 60s.
Ground WOT 5100
Cruise around 5000 +/-100 RPM
The plane does not have a Oil Cooler (Is this a required item?)
I want to say the WOT Cruise speed was just around 5500 but I can't confirm.
This was the first time it was flown in 21 years.
I think this was a known issue by my grandfather (Builder) as he bought a second oil temperature gauge and purchased a oil cooler but never installed it.
I know my gauges are correct cause I checked them with a temperature gun.
Water temps do not look to be incredibly high compared to the oil temps.
Questions:
If my oil is over filled will it cause foaming and increased temps? (wasn't there a change to the dip stick?)
Is the oil cooler required on the 912UL?
I may be slightly over pitched can this cause this sever of over heating?
Can old coolant be a issue?
Cowling slots to small?
Any thoughts or ideas are appreciated.
A few notes about the flight:
Temperature was a cool Sunday morning maybe 60s.
Ground WOT 5100
Cruise around 5000 +/-100 RPM
The plane does not have a Oil Cooler (Is this a required item?)
I want to say the WOT Cruise speed was just around 5500 but I can't confirm.
This was the first time it was flown in 21 years.
I think this was a known issue by my grandfather (Builder) as he bought a second oil temperature gauge and purchased a oil cooler but never installed it.
I know my gauges are correct cause I checked them with a temperature gun.
Water temps do not look to be incredibly high compared to the oil temps.
Questions:
If my oil is over filled will it cause foaming and increased temps? (wasn't there a change to the dip stick?)
Is the oil cooler required on the 912UL?
I may be slightly over pitched can this cause this sever of over heating?
Can old coolant be a issue?
Cowling slots to small?
Any thoughts or ideas are appreciated.
