Limbach Engine L2400DX-turbocharged | 118kW (160HP) at 3000rpm | Four Cylinder, Liquid Cooled

Versatile and Efficient, The Advanced Design of the Limbach Engine L2400DX

The Limbach Engine L2400DX  is a powerful and efficient turbocharged engine, designed for high-performance UAV and aircraft applications requiring reliable power at high altitudes. With advanced features such as electronic fuel injection, automatic altitude compensation, and liquid-cooled cylinder heads, this UAV Engine ensures optimal performance across varying environments.

Key Specifications:

• Maximum Power: 118 kW (160 HP) at 3000 RPM for high-performance applications
• Engine Type: Four-cylinder, horizontally opposed, with liquid-cooled cylinder heads, turbocharging, and wet sump pressure lubrication
• Bore and Stroke: 97 mm (3.82 in) bore and 82 mm (3.23 in) stroke
• Displacement: 2424 cm³ (147.91 cubic inches) for ample power output
• Compression Ratio: 8:1 for efficient power and fuel use
• Ignition System: Electronic engine management with variable, memory-mapped firing point
• Spark Plugs: NGK DCPR 7 E with a 0.7 mm electrode gap
• Firing Order: 1 – 3 – 2 – 4, ensuring balanced firing and reduced vibration
• Fuel Injection: Equipped with 4 x Weber injectors for precise fuel management
• Fuel Requirements: Compatible with 98 RON unleaded gasoline or AVGAS 100 LL for versatile fueling options
• Fuel Pumps: Dual electric fuel pumps at 2.5 bar each for consistent fuel supply
• Starter: 12V, 1.0 kW starter with solenoid for reliable starts
• Generator: 14V, available in 33A or 55A options for additional electrical requirements
• Oil System: Maximum oil pressure of 7 bar, minimum of 1 bar at 2500 RPM, with a 3.5-liter oil capacity
• Cooling System: Max coolant temperature of 110°C, with a capacity of approximately 3 liters
• Propeller Drive: Direct, anti-clockwise rotation with a hub designed for variable pitch propellers
• Dry Weight: 86 kg (excluding accessories), providing a balance of power and portability
• Fuel Consumption: 255 g/kWh at Wide Open Throttle (WOT) and 240 g/kWh at part throttle for efficient fuel use

With its turbocharging and dual ignition (DT) options, the L2400DX offers enhanced altitude performance, making it ideal for aviation enthusiasts and commercial operators looking for reliable, high-output engines with modern electronic control and efficient fuel use.

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Limbach L2400DX Engine – FAQ

1. What are the key technical specifications of the L2400DX?
The Limbach L2400DX is a four-cylinder, horizontally opposed, turbocharged, and liquid-cooled gasoline engine engineered for high-performance UAV and aircraft applications.
It delivers 118 kW (160 horsepower) at 3,000 rpm and has a displacement of 2,424 cm³ with a bore of 97 mm and stroke of 82 mm.
The engine features a compression ratio of 8:1, ensuring efficient fuel use and high power output across altitudes.

2. What systems and components are included in the design?
The L2400DX incorporates electronic engine management, variable memory-mapped ignition timing, and electronic fuel injection with four Weber injectors.
It features liquid-cooled cylinder heads, wet sump pressure lubrication, and a turbocharger to maintain power performance in high-altitude environments.
The ignition system uses NGK DCPR7E spark plugs with a 0.7 mm electrode gap, and the firing order is 1-3-2-4 for smooth operation and reduced vibration.

3. What are the fuel and electrical system specifications?
The engine is compatible with 98 RON unleaded gasoline or AVGAS 100LL, supported by dual 2.5-bar electric fuel pumps for reliable fuel flow.
A 12V, 1.0 kW starter motor and 14V generator (33A or 55A options) provide stable electrical power for UAV onboard systems and avionics.
It has a 3.5-liter oil capacity and maintains oil pressure between 1 and 7 bar depending on operating conditions.

4. What performance advantages does the L2400DX provide?
The L2400DX offers high power-to-weight efficiency, altitude compensation, and temperature stability, making it suitable for large, long-endurance UAV platforms.
Its liquid-cooled heads and turbocharging system ensure consistent performance in both hot and cold climates, while the robust design enables smooth, low-vibration operation.

5. What are the available purchasing and payment methods?
Purchasing is available through quotation due to configuration options and export requirements.
MotioNew accepts bank transfer, PayPal, and major credit cards for both retail and enterprise clients.
OEM and bulk procurement arrangements are supported for integration into commercial UAV projects.

6. What documentation and compliance materials are provided?
Each L2400DX engine includes technical manuals, installation drawings, wiring diagrams, performance charts, and maintenance documentation.
The engine complies with civilian UAV export and aviation safety regulations and is authorized for commercial and research use only.
Use for military or warfare purposes is strictly prohibited. MotioNew provides after-sales technical support, spare parts, and operational guidance for all clients.