High quality gearboxes designed for model aeroplane use.
Model Motors inner-driven gearbox with 5mm output shaft to fit 480 size motors with 3,2mm shaft, ratio 2:1. Fitting is M3 screws at 16mm and 19mm centres. The gearbox includes an adapter plate to fit Graupner Speed 480 motors. The VMKG gearboxes also fit Mega 16/15 and 16/25 motors.
Model Motors epicyclic gearbox with 4mm output shaft to fit 400 size motors with 2,3mm shaft. Fitting is M2,5 screws at 16mm centres only. Ratio 3.86:1 These gearboxes were designed to withstand the potential power of the Model Motors 1215/xx motors.