Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a Ịgafe n'ụgbọelu na-adabaghị adaba bụ aerodynamically inefficient, L / D ruru na-ebelata.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Flying in a slip is aerodynamically inefficient, more drag is at play consuming energy but not producing lift. "