THE ONLY PROBLEM I CAN THINK OF WITH THE TIGER 60, IS I CANT GET AWAY FROM FLYING IT!!!! ALLWAYS IMPRESSES WITH WHATEVER I WANT IT TO DO!!! MINE IS A TAILDRAGGER, WITH FORMED LANDING GEAR MOUNTED IN FRONT OF WING. TT .91 4STROKE. JUST LOVE IT!!! IS SEVERAL YEARS OLD AND I MAY AS WELL BUILD ANOTHER...FOR WHATEVER IVE BUILT SINCE,I KEEP GOING BACK TO THE TIGER!!!!! GOOD LUCK ON YOURS! (ALSO HAVE A TIGER 40 ALSO FLYS GREAT!!!!)