Assembled propulsion units The assembled propulsion units can be installed directly into the models. They are supplied completely assembled both electrically and mechanically. Each unit consists of a motor with the pinion either pressed or glued onto the shaft. The motor is in turn glued to the gearbox. The motor also has the soldered-on noise-suppressing capacitors and the controller with soldered gold-plated connectors in the heat-shrink tubing. Part of the kit are also the solder-on connectors for the battery pack, complete with the shrink tube, a bushed and painted propeller and directions for use for the controller and the gearbox. Order. nr (Mabuchi,Sagami)  Motor   Gearbox MP Jet Controller MGM Compro Propeller APC 5201 Speed 280 MPJ 3,75:1 SMM06 9×6 5204 Speed 300 MPJ 5:1 SMM06 9×6 ducted fan ALFA MODEL EDF 60/15 Mk.2 instruction    chart