Limbach Engine L550EF | 50HP at 7000rpm | Two Cycle Engine

Versatile and Efficient, The Advanced Design of the Limbach Engine L550EF The Limbach Engine L550EF is a compact, high-performance, two-cycle engine designed for UAVs and light aircraft applications. This UAV Engine is equipped with an electronic engine management system and automatic altitude compensation, the L550EF delivers consistent power and efficiency at various altitudes, making it an excellent choice for demanding aviation applications. Key Specifications: Power Output: 50 HP at 7000 RPM, providing reliable, high-performance power for diverse UAV and light aircraft applications Engine Type: Four-cylinder, horizontally opposed, air-cooled, two-stroke engine with mixture lubrication Bore and Stroke: 66 mm (2.60 in) bore and 40 mm (1.57 in) stroke for a balanced performance Displacement: 548 cm³ (33.44 cubic inches) to deliver a powerful thrust-to-weight ratio Weight: Lightweight at 15 kg, maximizing aircraft agility and endurance Crankcase: Durable, die-cast aluminum Crankshaft: Seven-piece assembled design for reliable, long-term performance Pistons: Casted aluminum alloy for efficient, lightweight operation Cylinders: Cast aluminum with silicone carbide-coated barrel, enhancing wear resistance Timing: ECU-controlled variable timing for optimized performance across varying RPM and altitude Engine Management System: Computer-controlled 12V system with automatic altitude compensation Fuel Compatibility: Runs on 90-octane gasoline, mixed with synthetic two-cycle oil at a 50:1 ratio Starter (Optional): 12V starter available for easy ignition Generator (Optional): 12V or 14V generator available for additional power needs The Limbach L550EF’s advanced electronic management and altitude compensation provide seamless operation in changing environments. This engine is particularly suited for UAV operators and aviators seeking a lightweight, powerful engine with modern control features and consistent performance. If fuel injection is not essential for your application, the Limbach L550E offers a simpler carburetor system with easier maintenance. For a comprehensive reading of related products, please visit the Motionew website. Limbach L550EF Engine – FAQ 1. What are the key technical specifications of the Limbach L550EF? The L550EF is a four-cylinder, horizontally opposed, air-cooled engine in the Limbach series. It produces around 50 horsepower (≈ 37 kW) at rated RPM (depending on configuration). It has a displacement of approximately 550 cm³ , utilizes a balanced engine block design for smooth operation, and is engineered for reliability in UAV platforms. 2. What materials and construction features does the L550EF use? Typical Limbach designs use aluminum alloy crankcase , forged crankshaft , and aluminum pistons with high-grade cylinder barrels. The engine is optimized for vibration reduction and longevity, with attention to thermal management and structural stiffness. 3. What ignition and fuel systems does the L550EF use? The engine typically incorporates a magneto or electronic ignition system , ensuring independent ignition without reliance on external power. Fuel delivery is managed using carburetors or fuel injection (depending on variant), with design support for stable mixing across flight attitudes. 4. What installation configurations and options are available? The L550EF can usually be mounted in either tractor (front propeller) or pusher (rear propeller) orientation, depending on the UAV design. Optional accessories may include a starter motor, generator or alternator for onboard electrical systems, heat sinks or cooling enhancements, and shielded wiring for noise-sensitive environments. 5. What procurement and payment options exist for the L550EF? This engine is typically sold via OEM and UAV component suppliers. Payment methods include bank transfer, credit card, and other international methods . For large or volume orders, negotiated pricing and supply agreements are standard. 6. What documentation, compliance, and support are provided? Buyers receive technical manuals, installation and maintenance guides, performance charts, and specification sheets . The engine is designed for civilian and commercial UAV usage , subject to export and aviation regulation compliance. Military or combat use is typically disallowed. After-sales support and spare parts availability are generally provided by the manufacturer or authorized dealers.