I maidened my first gasser yesterday- a DLE20 on a Phoenix Extra 60-90 (64"). The engine has a lot of grunt for the airplane- infact I ended up flying at 20% throttle just to keep it from climbing. I didnt do too many aerobatics by my trainer was able to do a rudder loop without too much effort at what I think was 50% throttle.

I noticed that I seemed to be having a lot of power gain as I went from 10% to 40% on the stick but there didnt seem to be as much gain subsequently going from 50% to 100%. I havent actually setup the throttle geometry as per Jody's guide, just by setting 50% on both horns and then adjusting from there with a linear curve. Is it correct that gas throttles are non linear. If so, how do you adjust the throttle curve to set 50% throttle at 50% stick?

Ameyam