With the rapid development of vertical takeoff and landing (VTOL) aircraft. the blade design of a propeller suitable for VTOL aircraft with a wide range of operating conditions has become a challenging and popular task. This paper proposes a multi-objective optimization framework for a VTOL propeller using an inverse design method at the cruising stage. which is developed from the Bet... https://megavitamines.shop/product-category/shark-liver-oil/