This is what i use for throttle of my glow planes 225mg
http://www3.towerhobbies.com/cgi-bin...?&I=LXN667&P=7 . and this is what i use for throttle of my gassers 5245
http://www3.towerhobbies.com/cgi-bin...?&I=LXCRT0&P=7
only had one fail on me, the 225mg, i used it as a choke servo, now i just use manual chokes now, less BS