O.S. Engine OSMG1300 FR5-300 Radial Airplane Engine  [OSMG1300]

Reviving the Golden Era of Aviation with the O.S. Engine FR5-300

The O.S. Engine FR5-300 is a masterpiece designed to capture the essence of the "Golden Era" of aviation. This radial engine, model number OSMG1300, offers a nostalgic aesthetic that appeals to both collectors and hobbyists. Its five-cylinder setup not only ensures a striking appearance but also delivers impressive performance for scale RC airplanes.

Classic Design Meets Modern Engineering

This engine's radial design is reminiscent of early 20th-century aircraft, providing an authentic look to your RC model. With four ball bearings and two needle bearings, the FR5-300 ensures a smooth operation by minimizing friction, which in turn extends the engine's life. The ringed piston powerhouse, coupled with pushrod overhead valves and a special inlet manifold, is engineered for reliability and high performance.

Performance Specifications That Impress

Featuring a displacement of 0.607 cubic inches per cylinder, the O.S. Engine FR5-300 operates within a practical RPM range of 1,800 to 8,500, producing up to 4.0 horsepower at 8,000 RPM. This makes it suitable for a wide array of RC airplane applications, from leisurely flights to more demanding maneuvers. Weighing in at 94.3 ounces, it provides a balanced weight-to-power ratio.

The O.S. Engine FR5-300 is ideal for RC enthusiasts seeking a blend of historical design and modern performance. Whether you're a collector aiming for authenticity or a pilot looking for reliable power, this engine offers versatility and style.