Slow Flight and Steep Turns L = 1/2  V 2 C L S Outcome versus Action (Concluded) FSteep Turns ( Bank, yank and crank ) FLift vector is rotated inward ( bank ) by the bank angle reducing the vertical component of lift FLift equals weight divided by cosine  FEither V ( crank ), C L or both must be increased to replenish lift FTo increase C L, increase  ( yank ) on the lift curve FTo increase V, give it some gas FMore effective since lift is proportional to the velocity squared FSteep Turns ( Bank, yank and crank ) FLift vector is rotated inward ( bank ) by the bank angle reducing the vertical component of lift FLift equals weight divided by cosine  FEither V ( crank ), C L or both must be increased to replenish lift FTo increase C L, increase  ( yank ) on the lift curve FTo increase V, give it some gas FMore effective since lift is proportional to the velocity squared
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