I dont understand using a "break in prop", different oil./gas mixture, break in stands? I raced 2 stroke karts for 25 years and have been flying gas airplanes for 15 years. All that stuff is unnecessary. Use 40/1 gas/ oil, the prop you intend to fly with and mount the motor to the plane. Run it for about 10-15 minutes at high idle, then go fly it. Fly gently for a tank or so and your good to go. Never had any problems that way. Some RC'ers overthink this stuff. My 2 cents