Possible detonation on Rotax 912 UL
in 912 / 914 Technical Questions
13 years ago
My Rotax 912 UL is swinging a two bladed wooden 68x48 Newton propeller on a Reality Escapade homebuilt.
T/O RPM is only 5000 rpm, in the cruise at 4750 rpm, there is an occasional knock which can be felt through the rudder pedals.
I am wondering if this could be overload causing detonation, although I haven't experienced the knock on T/O.
any thoughts on this. the CHT is normal, fuel is new mogas, needles are set as per normal Rotax position.
T/O RPM is only 5000 rpm, in the cruise at 4750 rpm, there is an occasional knock which can be felt through the rudder pedals.
I am wondering if this could be overload causing detonation, although I haven't experienced the knock on T/O.
any thoughts on this. the CHT is normal, fuel is new mogas, needles are set as per normal Rotax position.
