O.S. Engine OSMG0845 FS-40S 4-Stroke Airplane Engine  [OSMG0845]

The Powerhouse Behind Your RC Plane: O.S. Engine FS-40S

For RC aviation enthusiasts seeking unmatched power and performance, the O.S. Engine FS-40S stands out as a top choice. Known for its superior engineering, this engine is part of the esteemed Surpass Series, designed to deliver more horsepower and accommodate larger propellers. Whether you're flying a scale model or a sport plane, the FS-40S brings a new level of dynamism to your aerial adventures.

Engineering Excellence with the Surpass Series

The Surpass Series by O.S. Engine is renowned for its innovative design, incorporating a helix gear-driven camshaft at the front and a reliable updraft carburetor at the back. This configuration ensures optimal fuel mixture and combustion efficiency, translating into smoother flight experiences and extended engine life. The FS-40S is equipped with a glow plug and a standard silencer, enhancing its usability right out of the box.

Performance Specifications

The FS-40S boasts a displacement of 0.396 cubic inches, with a bore of 0.835 inches and a stroke of 0.724 inches. It operates impressively within a practical RPM range of 2,200 to 12,000, delivering an output of 0.65 horsepower at 12,000 RPM. Weighing in at just 12.5 ounces, it’s lightweight yet robust enough to handle demanding flight conditions.

The O.S. Engine FS-40S is suitable for both novice and experienced flyers who value power and reliability. Its advanced features make it a versatile option for various aircraft types, ensuring a rewarding flying experience.