RE: Peakmodel Sukhoi SU 26 (68 inch)
A YS 1.40 and Saito 1.80 seem a bit large for this plane. My 69" Yak does very, very well with a Saito 1.25. The bigger engines are usually more at home with a 73" or 74" size plane. What does this plane weight with a YS 1.40?