The DLE 120 Flat4 Gas Engine is a powerful 122cc four-cylinder petrol engine delivering an impressive 12HP at 7,500rpm. Designed for large-scale RC aircraft, this flat-four configuration provides smooth power delivery, strong torque, and reduced vibration — ideal for serious scale and aerobatic pilots. Engineered for reliability and consistent performance, the DLE 120 Flat4 offers efficient fuel consumption with a 30:1 oil mix ratio and dependable electronic ignition operation between 4.8V–8.4V. With its robust internal design and precision machining, this engine is built for demanding flying conditions. Whether you're powering a large warbird, scale aerobatic model, or competition aircraft, the DLE 120 delivers commanding performance with proven durability. Key Features 122cc flat-four petrol engine 12HP output at 7,500rpm Smooth and balanced flat-four configuration Low idle speed of 1,200rpm for stable ground handling Compatible with large propellers including 27x10 (recommended) Reliable electronic ignition (4.8V–8.4V) Designed for large-scale RC aircraft Perfect For Large-scale warbirds 35%+ aerobatic aircraft Scale competition models Serious RC petrol engine pilots Builders requiring smooth multi-cylinder performance Product Summary The DLE 120 Flat4 Gas Engine is a high-performance 122cc petrol engine delivering 12HP with smooth flat-four operation. Built for large-scale aircraft, it combines power, balance, and reliability making it a top choice for advanced RC pilots. Specifications Technical Data Performance: 12HP @ 7,500rpm Idle Speed: 1,200rpm Recommended Propeller: 27x10 Alternative Propellers: 26x12, 28x10 Spark Plug Type: NGK CM6 Engine Specifications Displacement: 122cm³ Bore × Stroke: 36mm × 30mm Compression Ratio: 7.6:1 Oil Mixture Ratio: 30:1 Ignition Voltage: 4.8V–8.4V Net Weight: 2,960g Gross Weight: 3,765g Why Buy from Probuild Aircraft? ✅ Official UK DLE stockist✅ 100% genuine products✅ Trusted by top international pilots✅ Fast UK shipping✅ Trusted by pilots since 1993
