An aircraft that is rolled into a (steady) coordinated turn at a constant angle of bank , and flies at a constant flight path angle y moves on a helical path on an imaginary circular cylinder with a radius of R. It is simultaneously climbing and turning. Derive an expression to obtain its radius R in terms of its speed V, bank angle , and flight path angle y. You can benefit from the given free body diagrams for climbing and turning to derive the expression. Horizontal Flight path Y Lcos of Centrifugial force W Lsin D n turning radius Y AP Center of curvature Turning rate: dy dt = =@ Centrifugial force: F =mVj