RE: 4*60
I love my 4*60. My first kit, first plane (besides a borrowed trainer for a flight or two). I put mine in hard on Monday (deadstick way out into the wind...no chance to get back to the runway) and she floated down (with help) and tore off the landing gear. Gotta say, not a single bad word from my mouth about the 4* line (besides the instructions could be elaborated on slightly...)