Prop sizes..
Seems to me that I can make my trainer float the whole length of the runway also. My instructor has been teaching me how to use the elevator to scrub off speed and put the wheels on the runway. I don't know how many times he's taken control of the plane to power up and make me come around for another pass. Practice, Practice, Practice. You say you're not a newbie but even the old timers at our field need a little coaching from our instructors once in a while. Even our instructors, for that matter, need a little coaching from time to time.