SAITO FG 33R3, 3-Cylinder Four-Stroke Gasoline Radial Engine, 33cc Aeronaut # 710081

The SAITO FG engines are carefully manufactured four-stroke gasoline engines specifically designed for model aircraft, combining high performance and durability with low weight. The engine is based on the FA-220 glow engine with some detailed modifications, including a gasoline-compatible carburetor and an electronic ignition system. This allows for high fuel efficiency with lower fuel costs, reduced model contamination, and hand-starting in the normal direction of rotation - no starter tool is required.

Special features:

• Cylinder and cylinder head are one component; this design saves weight, prevents distortion, and improves cooling.
• The cylinder running surface is hard-chrome plated and designed without a liner.
• High-silicon aluminum piston with piston ring.
• Robust connecting rod forged from high-strength aluminum.
• Due to gasoline operation, the lower connecting rod eye is bushed with phosphor bronze.
• High-strength crankshaft made of forged chrome-molybdenum steel, 2-way ball bearing mounted - camshaft, front-mounted, space-saving gearbox, and steep cam flanks for optimal filling.
• High cylinder efficiency due to hip-roof shaped combustion chamber.
• The exhaust sound corresponds to that of a typical four-stroke single-cylinder engine.
• Carburetor specially designed for four-stroke gasoline engines, with a diaphragm pump specifically for this engine.
• Electronic battery ignition system for spark plug operation.
• Normal two-stroke fuel mixture (e.g., moped or lawnmower).