Berke Gülmen

Eliminating the Cruise-Efficiency Penalty of Hybrid VTOL: The meryemAircraft Tail-Sitting Blended-Wing-Body Configuration with Propeller-Only Control

Version 2 (29 August 2026). Changes from version 1: the cruise lift-to-drag method has been corrected — version 1 used the maximum-L/D expression while specifying a different cruise speed, which overstated range by about 6 %. Lift-to-drag is now evaluated at the cruise point (lig...