The DLE 55 Petrol Engine is one of the most trusted and widely used 55cc-class engines in giant-scale RC aviation. Delivering 5.5 horsepower at 7,500 RPM, it provides significantly more thrust than the original DLE-50, giving you the power, throttle response, and reliability needed for precision aerobatics, 3D flying, and large-scale sport aircraft. Designed with bottom-induction reed-valve intake, advanced CNC machining, and tight tolerances, the DLE-55 runs smoothly, starts easily, and offers superb fuel efficiency. Its lightweight construction and high power-to-weight ratio make it the preferred choice for pilots who want dependable performance without unnecessary weight. Complete with electronic ignition, Pitts-style muffler, spark plug, standoffs, and mounting hardware, the DLE-55 arrives ready to integrate into your project with minimal setup time. Key Features Powerful 5.5 hp @ 7,500 RPM output Produces 2.2–4.4 lb more thrust than the DLE-50 Smooth-running 4-petal V-type reed-valve induction Lightweight design with strong torque characteristics CNC-machined components for durability and precision Excellent throttle response at any attitude Includes muffler, spark plug, ignition system, and hardware Perfect For Giant-scale aerobatic aircraft 50–60cc 3D and IMAC models Large warbirds High-performance sport aircraft Pilots upgrading from the DLE-50 or glow engines Product Summary A 55cc petrol powerhouse offering 5.5 hp, responsive throttle, and proven giant-scale reliability. A complete engine package ready for sport, scale, and aerobatic RC aircraft. Specifications Stock Number: DLEG0055 Displacement: 55.6 cc (3.392 cu in) Bore: 1.77 in (45 mm) Stroke: 1.38 in (35 mm) RPM Range: 1,350–8,500 Output: 5.5 hp @ 7,500 RPM Weight: 3.5 lb (1.59 kg) Suggested Propellers:22x8, 22x10, 23x8, 23x10 Includes:Electronic ignition, muffler, spark plug, gasket set, bolts, aluminium standoffs, throttle arm extension, mounting template. Technical Data Induction: 4-petal V-type reed-valve, bottom induction Ignition Battery: 4.8–6.0V NiCd/NiMH, 6.6V LiFe, or 7.4V LiPo (regulator required for LiPo/LiFe) Compression Ratio: 7.6:1 Fuel Mix: 30:1 petrol/oil Replacement Spark Plug: NGK CM6 (DLEG5510) Weight Breakdown: Engine: 1,350 g (47.6 oz) Muffler: 100 g (3.5 oz) Ignition: 120 g (4.2 oz) Why Buy From ProBuild Aircraft Ltd ✅ Official UK DLE Stockist – 100% Genuine Engines ✅ Trusted by Top International RC Pilots Worldwide ✅ Fast, Reliable UK Shipping ✅ Expert Technical Support & Industry Knowledge ✅ Trusted by RC Pilots Since 1993
