The 2-stroke single cylinder 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 using the proven SP-28 parts. The engine is used by customers in small heli config UAS as well as fixed wing platforms.
The Sky Power SP-56 TS ROS is equipped with a carburetor and an improved cylinder design for a higher thermal stability. The generator can be mounted on the rear output shaft. The engine is equipped in the standard configuration with 1 spark plug per cylinder due to the compact size. The dual cylinder boxer style offers a low vibration power dense two stroke for below 77lbs or up to 35kg.
|Type||2-Cylinder Gas Engine|
|Capacity||56 ccm / 3.42 cu in|
|Power||4.6 HP / 3.4 KW @ 7000 RPM|
|Speed Range||2200 – 10000 RPM|
|Weight||incl. ignition 5.54 lbs (2.52 kg)|
|Crankshaft||4 ball bearings|
|Oil/Gasoline ratio||1:50 / 2% mix|
|Operating Voltage||6 – 8.4 V DC|
|Bore diameter||1.42 inch (36.00 mm)|
|Stroke||1.10 inch (28.00 mm)|
|Torque||4.6 Nm @ 6500 RPM|