Less than 1 oz., 1-3/32" diameter, 1-1/32" case length, 3.17mm, (1/8") shaft. Includes built in radial mount and flexible prop adapter with O-ring for GWS and APC props. The best lipo for light indoor airplanes is a 3 cell 300 mAh pack, and for heavier indoor/outdoor airplanes us a 3 cell 800 mAh lipo battery pack. For models from 3.5 to 11 oz. flying weight.
Unique mounting system allows you to mount the motor from the front side through a firewall, attaching your prop to the 3.17mm prop shaft with a prop adapter. Or, turn the motor around and attach it in front of the firewall with its built in mounting ears. When using the built in radial mount, the prop is attached to the flexible built in prop adapter with the included O-ring. Adapters are included to allow you to use either GWS or APC props.