This OMH-4535-560 motor is designed to be used in 600-650 size helis using 12S Li-Po batteries. Every piece of this motor had been designed to help reduce friction/noise and increase the power and efficiency.With a 45mm dia. this motor can easially be installed in almost all the existing 550-600 class helicopters without modifications. The shaft is also 35mm long enabling you to support the end with a bearing in many modern helicopter designs.• High Performance• High Efficiency• Great Heat Dissipation
