Mini-Getriebe 3:1 Graupner 1147.30 The MINI gearbox comprise a gearbox case, a pair of 2:1 and 3:1 gearwheels, respectively (can be interchanged, if desired), an intermediate ring (required for installations using the electric motor MABUCHI RE-140) and a cover. Rapport 3:1
For E-motors MABUCHI RE-140 RE-280 or SPEED 280
For prop shafts 413 or 409