Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching How to design an aircraft - Learn basic aerodynamics - Aerofoil airfoil effect on wings - 1st ste. and this video is uploaded by Hans Yofsare at 2014-10-16T03:03:50-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [73pJfoe4jUg]