Hi all, I've been trying to get smart on my MT propeller and I've had a few discussions with MT Propeller USA and they say there is no RPM exclusion for cruise. Have any of you with the MT Prop/IO-550 combo explored to see what low RPM gives you and what the tradeoff is? I typically fly 7,500-12,500' LOP and set max MP and 2400 RPM. I've played with 2500/2550 and lose a few knots, but the noise drop is worth the speed penalty.
Have any of you explored 2100-2300 RPM? If so, what did you see for speed and noise?