Hale that's looks good! The OS 91 fx should push like your M44 and the weight is about the same
Please stop posting nonsense [:'(]. A turbine engine is irrelevant to a propeller based engine. Basic physisc will tell you why, most importantly, turbine efficiency does not decrease (with airspeed) as much as a propeller does ... Static thrust is one thing. You do not seem to know the other.