E-flite UMX P-47 BL BNF Basic RC Airplane The E-flite UMX P-47 BL model is a warbird designed with stand-out details on a lightweight foam airframe packed with a brushless outrunner motor and a 2S Li-Po ready power system that turns a realistic four-blade propeller.Packed inside are a brushless motor and a 2S Li-Po ready power system turns a realistic four-blade propeller. With the gear removed, the performance of this Major Howard D. Deacon Hively, P-47