The B50 series motors are a High Efficiency, 2-pole, In-Runner design. High RPM and Low Resistance make these motors perfect for ducted fan and boats with direct drive.

Designed for Very Large Electric 8-14 Lb. models, that require Very High Thrust on 16-24 cells. The B50 "XL" series are used in Aerobatic Scale Models, Giant Scale and .90 size Sport ARF models. Available in both Geared and Direct Drive.

Using the Hacker High Efficiency Planetary-gearbox which incorporates "Needle Bearings" for super reliability, this motor series provides very high power for your Large Models.