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.
Ternyata, apabila ujung sayap pesawat dibengkokkan sampai kemiringannya sejajar dengan aliran udara, pesawat bisa terbang lebih baik. Peningkatannya bisa sampai 10 persen atau lebih.