Simulations are not reality and the plane itself never demonstrably flew outside of ground effect. The one flight it ever had was still in ground effect and no attempt was made to climb out of it.
I can show you a simulation that demonstrates that Hillary is President right now. This does not match demonstrated reality.
Simulations give you far more accurate information than flights with actual aircraft.
The only difference between test and production is: in test there is no difference.
Was the Wright brothers first flight out of ground affect? So you’re saying they didn’t fly that day.
Just thought you might be interested.