Limbach Engine L550E | 4-Cylinder UAV Engine for Drones | For Sale & Price

Versatile and Efficient, The Advanced Design of the Limbach Engine L550E

The Limbach Engine L550E is a lightweight and reliable four-cylinder, air-cooled engine designed for UAVs and light aircraft applications. This UAV Engine features a compact, horizontally opposed design and versatile compatibility making it ideal for pusher and tractor configurations, providing efficient, high-powered performance with minimal maintenance requirements.

For a comprehensive reading of related products, please visit the Motionew website.

Limbach L550E Engine – FAQ

1. What are the key technical specifications of the L550E?
The Limbach L550E is a four-cylinder, horizontally opposed, air-cooled two-stroke engine designed for UAVs and light aircraft.
It delivers 37 kW (50 horsepower) at 7,500 rpm and has a displacement of 548 cm³.
The engine features a bore of 66 mm and a stroke of 40 mm, optimized for high efficiency and power-to-weight performance.
Its dry weight is approximately 16 kilograms, making it ideal for medium and large UAV platforms.

2. What materials and components are used in its construction?
The L550E features an aluminum alloy crankcase, a drop-forged seven-piece crankshaft, and cam-ground aluminum alloy pistons.
The cylinders are cast aluminum with silicon carbide-coated barrels for enhanced wear resistance and longer operational life.
This design ensures high strength, low vibration, and long-term reliability in continuous operation.

3. What ignition and fuel systems are integrated?
The engine utilizes a solid-state magneto ignition system with an optional shielded ignition setup for EMI-sensitive applications.
It operates on AVGAS 100LL or 90 RON fuel, mixed with oil at a 1:25 or 1:50 ratio (synthetic oil recommended).
Four diaphragm-type all-position carburetors ensure uniform fuel delivery across varying flight attitudes.

4. What performance and configuration options are available?
The L550E can be configured for both pusher and tractor installations.
Optional accessories include heat sinks for cylinders (+1.2 kg), a 24V starter (0.3 kW), a 28V generator (1.2 kW), and shielded ignition wiring for specialized UAV applications.
These options allow users to tailor the engine for endurance, redundancy, or electrical power output needs.

5. What are the available purchasing and payment methods?
The L550E is priced between 17,300 and 20,170 USD, depending on configuration and included accessories.
MotioNew accepts bank transfer, PayPal, and major credit cards for retail or enterprise purchases.
Bulk and OEM orders can be negotiated directly based on integration requirements.

6. What documentation and compliance materials are provided?
Each engine is delivered with technical manuals, performance charts, installation guides, and maintenance documentation.
The L550E meets civilian UAV export compliance standards and is approved for commercial and research applications only.
Use for military or warfare purposes is strictly prohibited. MotioNew provides after-sales technical assistance and spare part support to ensure long-term operational reliability.