How do you analyze turning performance and what are the limiting factors?
Answer
Turn performance is characterized by turn rate (omega = g*sqrt(n^2-1)/V) and turn radius (R = V^2/(g*sqrt(n^2-1))) where n is load factor and V is velocity. Limiting factors: Structural limit (maximum allowable g), Thrust limit (at corner speed, both structural and thrust limited), Stall limit (CLmax limits achievable load factor at low speed), and Buffet limit (at high speed/altitude). Corner speed (Va) is where aircraft can achieve maximum structural g while at CLmax - optimal for tightest turn. Turn performance diagrams show achievable combinations of speed and load factor. Higher thrust/weight and lower wing loading improve turn capability.
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