I don't know if you're familiar with the motocalc software. It's made for modeling performance of rc airplanes. Among other things, it calculates a table of thrust vs. rpm, prop make and type, and airspeed. It also estimates airframe drag. They give a 30-day free trial. It's made for modeling electric powered airplanes, but it can be applied to gas planes. It's a handy program and worth buying. The data base has many types of rc motors and props.
Two other electric modeling programs are pcalc and electricalc: