Description

The 7-cylinder 50CC radial engine is expertly crafted to offer scale model aircraft enthusiasts an authentic, high-performance powerplant that combines historical accuracy with modern engineering. Its classic 7-cylinder radial configuration delivers a visually striking and realistic appearance, ideal for small-scale models, vintage aircraft replicas, and detailed museum-quality projects.

With a displacement of 50CC, this engine provides sufficient power while maintaining a compact and lightweight design that suits a variety of scale aviation applications. It comes fully assembled and ready to run, equipped with all necessary components such as an exhaust collector ring, spark plugs, a dependable electronic ignition system, and a sturdy engine mount. User-friendly choke and throttle bellcranks ensure straightforward installation and operational control, making it accessible for both hobbyists and professionals.

Precision manufacturing is a hallmark of this engine. Its core parts are CNC-machined from high-quality aluminum or bar stock to achieve tight tolerances, consistent quality, and repeatable performance. Cylinder heads and crankcases are constructed from aircraft-grade aluminum alloys, combining strength with weight reduction, which is critical for maintaining proper aircraft balance and performance.

The engine is built for durability with a heavy-duty double-bearing crankshaft that supports stable high-RPM operation and minimizes wear. Billet aluminum pistons paired with hardened steel rings enhance combustion efficiency, reduce friction, and prolong engine life. The cylinder bores are hard-chromed and lapped to exact specifications to resist wear and optimize performance. Hardened steel cams ensure precise valve timing and long-lasting reliability, even under demanding conditions.

Compatible with 87–110 octane gasoline and running on a 32:1 gas-to-oil mixture, this engine offers versatility and efficiency across various environments. Its robust construction, authentic design, and dependable power make it an excellent choice for those seeking a professional-grade miniature radial engine that balances historical authenticity with modern technology.