Model planes have HIGH torque engines, and HUGE wing area designed to get them airborne in sooper short disances. Thrust vs weight ratio of a model plane is WAY higher than that thrust/weight ratio of a 747. That experiment will prove OUR (people who say it'll fly) point, only BETTER THAN A REAL AIRPLANE WOULD! NOT to mention, how are you going to measure the speed between the plane and the treadmill accurately?
Easier to do this w/ some1 on a skateboard, w/ the skateboard on a treadmill. Start up the mill, put your hand on their back and hold them stationary. Speed up the treadmill to max power, continue to hold them. Then walk forward (simulated thrust) w/ your hand on their back (thrust). They WILL move forward. So will a plane, which will generate airflow, which will provide lift.
Suit yourself Kid.
