OS FR5-300 5 Cylinder

OS FR5-300 5 Cylinder Engine

We are pleased to offer a wide variety of conversion parts and accessories for the OS FR5-300 5 Cylinder Engine.

The OS FR5-300 5 Cylinder Radial engine is a masterpiece of engineering, delivering smooth, consistent power with a distinctive radial sound. Ideal for large-scale RC models, this engine combines robust performance with authentic aesthetics, making it a top choice for enthusiasts seeking both realism and reliability. Its radial configuration ensures balanced operation, reduced vibration, and an unparalleled RC experience.

  • Specifications:

    Displacement: 49.9 cc (3.05 cubic inches)

    Practical rpm: 1,800 to 7,000

    Recommended Prop Sizes: 22x10 to 24x8

  • About the Brand:

    At Black Raven Aerosports, we specialize in providing glow-to-petrol conversion parts for OS Engines, enabling enthusiasts to enhance fuel efficiency and operational flexibility while maintaining the engines' renowned performance and reliability.

  • Engine Servicing

    We can also offer our inhouse services in fitting these parts to your engine (Please visit our engine servicing page here for more info)

All Conversion Parts

Recommended Propellers for This Engine:

1 5

Something Not Right?

If you have any questions on this engine or queries about engine conversions and upgrades in general, please contact us and we'll get in touch promptly!