Two Stroke Engine SP-56 ROS

The 2-stroke single cylinder 3W-International SP-56 TS ROS with 56 ccm and rear output shaft is the smallest dual cylinder engine in the Sky Power portfolio. It is also the newest, forged from using the proven SP-28 parts. The 3W-International SP-56 TS ROS is equipped in the standard configuration with 1 sparkplug per cylinder due to the compact size. The dual cylinder boxer style offers a low vibration power dense two stroke for the below ‘77lbs or up to 35kg’. The engine is used by customers in small heli config UAS as well as fixed wing platforms.

The cylinder is casted aluminum and the crankcase is CNC machined in order to be able to adjust to customer specific requirements or mounting plate.