Originally Posted by
ShyTorque
I don’t recall ever having to make such a calculation in flight in 53 years of flying. Or on the ground, for that matter….
I assumed this was math homework, based on the units used: fps for speed and feet for turn radius. In a flying context I would expect perhaps knots and miles or rate-of-turn or bank angle.
For a tale of an oddball (for a pilot!) calculation, enjoy "Optimism Takes Work and is Rewarded"
https://www.code7700.com/rule_15.htm