Quote:
|
Originally Posted by tw
Airplane on a catapult has zero relation to his problem. F=ma . Plane must have sufficient "a" to achieve airspeed on a short runway. Planes engines do not provide enough '"F" . So catapult adds more "F" . Carrier planes are catapulted on a runway (not a treadmill) as defined by numbers in post 152 . |
But the force here is relevant only so far as it contributes to air moving over the airfoil, no? So the movement of the treadmill, not contributing any positive or negative to getting air moving about the airfoil, contributes nothing, either positive or negative to the ability of the plane to fly.
I think.