Lift is not created by the thrust of the engines as you say. Lift is created by the airflow over an AIRFOIL which is the wing. You are thinking the jet engine as some kind of a space ship rocket engine. It doesn't work that way. No airflow underneath the wings, NO LIFT. Cut and dry.

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by ColoAvs19:
The engines push the aircraft through the air. It wouldn't matter how fast the conveyor goes, as long as the wheels are free spinning enough. No matter the speed of the conveyor, the thrust of the engines in the air should overpower the conveyor. The air would remain static to the conveyor. The engines would simply overpower the conveyor if the wheels would spin free enough with no friction. The engines move the plane through the air, they don't move the plane along the ground. The ground condition should have no effect on the engine moving air. </div></BLOCKQUOTE>