Hi Quique, I read all about you Yak 54. For me is the best plane I ever had. I am from Paraguay and the person who told me to buy this plane, was Marcelo Zini. I said to Marcelo. Thank You for the good recomendation. I Am happy with this plane. I am using the Saito 180 with 18x6w Propeller. Digital servos 811S and for the rudder I am Using 8611. The radio is the PCM JR 9303. Landing this plane is like you put and automatic landing. Quieque your plane is exelent.