I know you might not understand but for a big plane like that it needs about 145 speed to lift up off the ground and its heaviness is what keeps the plane pushed onto the ground so it needs enough speed to be able to have full control over when the plane goes up
Great video mate.
I know you might not understand but for a big plane like that it needs about 145 speed to lift up off the ground and its heaviness is what keeps the plane pushed onto the ground so it needs enough speed to be able to have full control over when the plane goes up