But that damn thing followed us here.

But the problem is, if you lose an engine on takeoff, you cannot get to 150 knots without descending. And if you do it at takeoff, there's no place to descend ... So you're going to crash,

I guess we have forgotten, with all the successful flights, how dangerous it can be.

It's a dangerous airplane. Aerodynamically, it's a very unusual airplane,

With ailerons, you have one aileron goes down and one goes up and what that does is redistribute the lift on the wing, ... The downgoing aileron increases the lift, the upgoing decreases the lift but the overall lift of the airplane is unchanged.

The only airplanes I know of that use spoilers for roll control alone are some military aircraft,