Himax ACC3966 Offset Gearbox for 20mm BL motors Fits all 20 mm BL motors with 2mm shaft, Aluminum gear housing no more broken gear housing, Built-in cooling fins no more overheated motors, 10mm x 10mm mounting box fits most planes designed with GWS gearboxes, Multiple gear ratios - 6.6:1, 5.3:1 & 4.4:1 gears included, Dual Ball Bearings with hardened shaft efficient and durable operation, Aluminum prop adapter included,
|