Rotax 912 Coolant Temperature

Rotax 912 Coolant Temperature. Lets say we are at 55% of base inlet area and 190f, still at 60f ambient. When i got home and let the engine cool, i opened the coolant cap and it was full to the top.

Points for Pilots Cooling the Rotax 912 Voltage Regulator/Rectifier
Points for Pilots Cooling the Rotax 912 Voltage Regulator/Rectifier from pointsforpilots.blogspot.com

Both lycoming and continental recommend preheat anytime the temperature drops below forty degrees. Standardization with rotax 912 i series, new cylinder heads with modifications in its mold have been introduced. Water has far better heat absorption and release vs the waterless coolant.

I'm Sure Baffle/Cooling/Cowling Designs Make A Big Difference With These Engines.


When i got home and let the engine cool, i opened the coolant cap and it was full to the top. Standardization with rotax 912 i series, new cylinder heads with modifications in its mold have been introduced. Now, during our phase 1 test flights we are having overheating problems, especially on the ground.

But Not Really On Flights Under 2Hrs.


It appears there is no provision for a direct reading of coolant temperature on this engine. I have found on long climbs at cruise power, that the oil temp goes up more quickly than the coolant temp. Ground taxi at the same rpm (1700) feels higher with the new prop.

But I Have Some Questions About All Liquid Cooled Engines That We Have Today.


They were resealed with the proper sealant and allowed to dry before reinstalling. Bristell ng5 with rotax 912 is. Post by rcpilot » sun sep 25, 2016 12:49 pm.

I Decided To Measure The Actual Cylinder Head Temps, At The Location Of The Sensor, Using A Good Quality Infrared Thermometer After Shutdown.


Ground running at 2500rpm for long periods on cold mornings shows not much increase in temp at all. Coolant system, fuel system, leakage bore, exhaust system etc 2). Need a much higher power setting to.

It Sounds Like Yours Might Have An Inadequate Radiator.


Coolant radiator, roughly 32x16 cm mounted low behind the propeller. Water has far better heat absorption and release vs the waterless coolant. We installed the coolant radiator under the belly of the plane, with and without the scoop.

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