Hi, Just sucessfully maidened my O/D F-4. Powered witha pair of GWS 40mm fans driven by Hyperion 5300 motors, each on a CCThunderbird 18 BEC. Video will be taken when my cameraman is available. Basic Specs are: Wingspan 26" Length 28" All sheet wing. Controls are tailerons, rudder and throttle 560g/ 19.00 oz AUW Fitted with 2500MAh Lipo 200g/ 6.875oz 550g/ 18.75 oz 2200MAh Lipo 190g/ 6.625oz 464g/ 15.75 oz 1250MAh Lipo 104g/ 3.625oz 260g/ 9oz thrust Regards Adrian