what I meant is that a high static thrust prop just may provide the best forward speed also -for a given plane - without getting in to formulas (which I detest in explanations ), a very draggy craft may do do best with the best "thrust" prop"
It only does if you’ve also chosen the right pitch speed (pitch x rpm).
The Static Thrust value you measure on the scale is misleading...
For example:
Take a small electric motor and gear it down enough to swing a 100" diameter prop, and it will produce you several pounds of thrust. No way is it going to FLY your draggy airplane, unless you can get the stall speed down to less than one MPH.....