What are the effects of L/D ratio and drag polar on symmetrical and cambered airfoil at Re 5000000? - Quora
If angle of attack is what's necessary for a symmetrical airfoil to produce lift, why use an airfoil shape at all? Wouldn't a flat plane work better producing less drag? I'm not
![Airfoil Behavior: Pressure Distribution over a Clark Y-14 Wing | Aeronautical Engineering | JoVE (Translated to Russian) Airfoil Behavior: Pressure Distribution over a Clark Y-14 Wing | Aeronautical Engineering | JoVE (Translated to Russian)](https://cloudfront.jove.com/files/ftp_upload/10453/10453fig2.jpg)