Design Features: All Formers And Ribs CNC Cut Unique Tab Lock Design One Piece Design Unique Motor/Fan compartment closing. Easy Battery Acces through Canopy Specifications: Wing Area: 38 dm2 Wing Span; 950 mm Flight Weight: Starts at 1100 grams Wing Loading: 28gr dm2 to 35gr dm2 4 Channel Elevator, Ailerons & Throttle (ailevons needs delta mixer) Kit Includes: Photo Instructions Full Size Rolled Cad Plans With All Parts Shown Paper Intake Tube , PVC Outlet Tube No Control Horns , Steering Cables or hardware Required to Complete: 3 Channel Radio with delta mixer Light weight Receiver: Light weight Servos: About 9 grams (2x) Motor: Hetrc edf 2W (3 lipo) or 2W-20(4 lipo) Speed controller 60-80 amps Wemotec Mini Fan 480 or Het 6904 Battery: 3S or 4S 3200 lipo Thick and Thin CA glue Bungee Launch req. The Horten 13B needs a 8mmx7,5mtr bungee with 8kg of pulling power. Will require additional items to complete model as shown. Such as motor, flight battery, charger, radio equipment, building and covering materials.