Delete comment from: Elements Of Power

Unknown said...

Drag coefficient, and all other aerodynamic coefficients, need a reference area to make the coefficient dimensionless. In addition moment coefficients also need a reference length. Your use of cross section area is technically OK, but not done in practice. Nominal wing area is used as reference area, and mean aerodynamic chord is used as reference length for all aero coefficients, for basic airplane, for various external stores, control surface hinge moments, stability coefficients, etc.

Apr 28, 2016, 6:53:47 AM

Posted to The F-35 and the Infamous Transonic Acceleration ‘Spec’ Change: