Vmcg- calling John Tullamarine.
There is a since locked thread in which John Tullamarine offered guidance on Vmcg when operating at light weights. I understand the relationships between the forces at work...to a degree.
Had a light weight aircraft, when requesting perf, it wouldn’t return FLEX thrust, only returning normal NORMAL thrust numbers. Our performance provider was queried and they determined it was a Vmcg limitation.
Trying to wrap my head around this. With FLEX and an engine failure, the aerodynamic control surface (rudder) forces required to maintain directional control are less than what would be required with Normal thrust. Why then (if our perf provider is accurate) would FLEX number be inhibited as related to Vmcg?