Hey maynardrupp, I have a Saito 180 on mine and it is plenty of motor , I feel like that 150 will be just fine. I have about 5 flights on mine and am now changing from an inverted motor to rolling out the Saito to Horizontal for easier starting and access to the glow plug. Good luck on the maidon flight -oh FYI - this plane does not need alot of surface deflection unless of coarse your going to do 3d and watch the landing gear it might try to spread if you slop it down too hard.