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kev994 said:Turning radius is a direct measure of airspeed, so very little data is required. C-130 manoeuvres at 20 kts above power off stall speed for 45 degrees bank, or roughly 130-140 kias for example.
To be pedantic, turning radius is actually proportional to the square of the airspeed (faster = exponentially larger radius).
It is also inversely proportional to the tangent of the bank angle (greater bank, tighter circle).
radius = velocity2 / gravity x tan(bank angle)
So aircraft B flying 10% faster than aircraft A, but with the same bank angle, will have a 21% larger turn radius.