High head cooling temp during taxi
in 912iS Technical Questions
9 years ago
Hello,
it's my first topic, so let me welcome all rotax users and introduce my self.
I am from Poland, and 2 weeks ago bought my first airplane with rotax 912IS engine.
It is TL-3000 Sirius UL-plane.
Plane is not new, it has 120 hours of flight, sold directly from TL Ultralight (airplane producer)
From the very first momement I have a problem with temp of head's cooling on the ground. It goes quite fast to the border temp 120 deg C!
If I take off before engine gets 100 - 105 deg, than it's OK, because I have time and space to cool it down in the air. But if I wait too long time on the ground (I operate from controlled airport) than the temp. crosses 120 deg C before I am on the right hight - and I cant cool down the radiator (Dynon Sky View after reaching 120 deg doenst show temp anymore, so I dont know if it goes up or down).
LT Ultralight use a fan behind the radiator, but I am affraid, it does not give any cooling on the ground. Do you know that solution? I am attaching 2 pictures of the radiator and fan and asking you for advices how to controll the heads cooling temp on the ground.
it's my first topic, so let me welcome all rotax users and introduce my self.
I am from Poland, and 2 weeks ago bought my first airplane with rotax 912IS engine.
It is TL-3000 Sirius UL-plane.
Plane is not new, it has 120 hours of flight, sold directly from TL Ultralight (airplane producer)
From the very first momement I have a problem with temp of head's cooling on the ground. It goes quite fast to the border temp 120 deg C!
If I take off before engine gets 100 - 105 deg, than it's OK, because I have time and space to cool it down in the air. But if I wait too long time on the ground (I operate from controlled airport) than the temp. crosses 120 deg C before I am on the right hight - and I cant cool down the radiator (Dynon Sky View after reaching 120 deg doenst show temp anymore, so I dont know if it goes up or down).
LT Ultralight use a fan behind the radiator, but I am affraid, it does not give any cooling on the ground. Do you know that solution? I am attaching 2 pictures of the radiator and fan and asking you for advices how to controll the heads cooling temp on the ground.
radiator.jpg (You do not have access to download this file.)
fan.jpg (You do not have access to download this file.)
