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Sky Power SP-55 Series — 55cc Single-Cylinder UAV Engine (TS/FI variants; ROS & Generator applications)
Description
The SP-55 Series is a 55 cc, two-stroke single-cylinder internal combustion engine offered in carbureted (TS) and fuel-injected (FI) variants. Core functions: propulsion for small UAS (fixed-wing, helicopter, VTOL) and as a prime mover for small generator / hybrid-electric systems. Key specs: 3.9 hp (2.9 kW) @ 6500 rpm (TS), 4.1 hp (3.0 kW) @ 7000 rpm (FI), mechanical speed ranges up to 10,000 rpm, torque ~4.7–4.8 Nm. Standard features include twin ignition (2 spark plugs), rear output shaft (ROS) option for accessories, cast aluminum cylinder and CNC-machined crankcase.
About the Company
Sky Power GmbH (Sky Power International)
Sky Power (Sky Power GmbH) designs, manufactures and tests high-performance two-stroke and Wankel engines and UAV propulsion systems in Germany. They offer engineering, project development and main...