This is the T-280GD Gear Drive Motor System w/Speed Control from Great Planes. Designed for use with the Park Flyer airplanes or other models that require a Speed 280 motor, 4.1:1 gear ratio gearbox & micro speed control. FEATURES: Lightweight, complete, easy to use power system for Park Flyers. INCLUDES: One T280 Ferrite motor w/2-pin female plug (GPMG0300) One ElectriFly C-12 Micro ESC (GPMM2015) One T280 4.1:1 ratio gear box (GPMG0202) One 11 tooth pinion gear One 3mm prop adapter (GPMQ4959) One APC 10x4.7 Slo-Flyer propeller (APCQ5015) One set of plastic propeller locating rings (APCQ5015) One small tube of thread locker to secure pinion gear to motor shaft Three #2x1/4" gearbox mounting screws One instruction sheet REQUIRES: Park Flyer aircraft Fine-point felt-tip pen for marking motor placement in the gearbox. Small phillips screwdriver SPECS: See individual item descriptions for further information. COMMENTS: This same system also available without Electronic Speed Control, use GPMG0445. JAL 12/13/00 ir/jl