Using innovative wind - tunnel testing, they found that if the modified wings were precisely curved at the tip and properly aligned with the airflow, they improved aircraft performance ​ — nowadays by up to 10 percent or more. The reason? Winglets minimize drag by reducing the size of the vortices.
पंखांच्या या विलक्षण रचनेमुळं विमानांना लांब पल्ल्याची उड्डाणं करता येतात आणि अधिक भार वाहून नेता येतो.