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Limbach Engine L1700E0/EC, L 2000E0/EC | Four Cylinder, Horizontally Opposed Air Cooled Engine
Versatile and Efficient, The Advanced Design of the Limbach Engine L1700E0/EC, L 2000E0/EC
The Limbach Engine L1700E0/EC, L 2000E0/EC are reliable, four-cylinder, horizontally opposed, air-cooled engines, designed with single magneto ignition and wet sump pressure lubrication. This UAV Engine is Ideal for small aircraft and UAV applications, these engines deliver dependable power with efficient fuel consumption and simple maintenance.
For a comprehensive reading of related products, please visit the Motionew website.
Limbach L1700E0/EC and L2000E0/EC Engines โ FAQ
1. What are the key technical specifications of these engines?
Both engines are four-cylinder, horizontally opposed, air-cooled gasoline engines designed for UAVs and small aircraft.
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L1700E0/EC: Maximum power 68 HP (50 kW) at 3,600 rpm, continuous power 60 HP (44 kW) at 3,200 rpm, displacement 1,680 cmยณ, compression ratio 8:1, fuel consumption approximately 10 liters per hour.
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L2000E0/EC: Maximum power 80 HP (59 kW) at 3,400 rpm, continuous power 70 HP (51 kW) at 3,000 rpm, displacement 1,994 cmยณ, compression ratio 8.4:1, fuel consumption approximately 12 liters per hour.
2. What design features and construction materials are used?
Both models use aluminum alloy crankcases, forged steel crankshafts, and aluminum pistons with reinforced cylinder barrels for durability and low weight.
They employ wet sump pressure lubrication and single magneto ignition, ensuring reliable operation and simplified maintenance.
3. What ignition and fuel systems are integrated?
The engines use the Slick 4330 magneto ignition system with Limbach high-performance spark plug harnesses for consistent ignition under varying loads.
Each engine is equipped with twin carburetors and supports AVGAS 100LL or MOGAS 95 fuel types.
The system ensures efficient fuel atomization and optimal combustion across the full RPM range.
4. What performance advantages do these engines offer for UAV applications?
Both the L1700 and L2000 deliver high reliability, smooth operation, and balanced power-to-weight ratios, making them suitable for long-endurance UAVs, fixed-wing aircraft, and aerial mapping platforms.
Their air-cooled configuration reduces mechanical complexity, while the magneto ignition system ensures independent, battery-free ignition capability.
5. What purchasing and payment options are available?
Pricing for both engines is available upon request. MotioNew accepts bank transfers, PayPal, and major credit cards for both retail and OEM clients.
Custom configurations and bulk purchases can be arranged for UAV manufacturers and system integrators.
6. What documentation and compliance materials are provided?
Each engine is supplied with technical manuals, wiring and installation guides, performance data sheets, and maintenance documentation.
Both models comply with civilian UAV export standards and are intended for commercial and research applications only.
Use for military or warfare purposes is strictly prohibited. MotioNew provides after-sales technical support, spare parts, and operational training for long-term reliability.
Specifications
Specifications of Limbach Engine L 1700 E0 / EC and L 2000 E0 / EC
| L 1700 E0 / EC | |
| Ma xi mum HP (5 min) | 68 hp / 50 kW / 3600 rpm |
| Continous HP | 60 hp / 44 kW / 3200 rpm |
| Bore | 88 mm / 3.46 inch |
| Stroke | 69 mm / 2.71 inch |
| Displacement | 1680 cm3/ 102.52 cub. in. |
| Compression ratio | 8 : 1 |
| L 2000 E0 / EC | |
| Maximum HP (5 min) | 80 hp / 59 kW / 3400 rpm |
| Continous HP | 70 hp / 51 kW / 3000 rpm |
| Bore | 90 mm / 3.54 inch |
| Stroke | 78.4 mm / 3.09 inch |
| Displacement | 1994 cm3/ 121.68 cub. in. |
| Compression ratio | 8.4 : 1 |
| General |
|
| Magneto | Slick 4330 |
| Harness | LIMBACH |
| Spark plugs | LIMBACH LB-N41.0 |
| Electrode spacing | 0.5 mm |
| Firing order | 1 – 3 – 2 – 4 |
| Firing point | 30ยฐ BTDC |
| Carburator | Zenith 150 CD-3 |
| Fuel min. octane | 98 RON (Unleaded) or AVGAS 100LL |
| Air cleaner | LIMBACH |
| Mechanical fuel pump | APG-LIMBACH |
| Starter with solenoid | 12 V – 1.1 kW |
| Generator | 14 V – 33 A or 14 V – 55 A |
| Oil pressure | max. 4 bar; min. 1 bar at 2500 rpm |
| Oil temperature | max. 120ยฐC; min. 50ยฐC |
| Oil capacity | 2.5 ltrs |
| Cylinder head temp. | max. 250ยฐC |
| Tachometer drive | mechanical |
| Propeller drive | direct, anti-clockwise |
| Propeller hub | E01/EC1 for variable pitch |
| Dry weight approx. | E02/EC2 for fixed pitch L 2000 E0: 74 kg L 1700 E0: 73 kg |
| Fuel consumption | should be individually established during flight tests, however the average fuel consumption is approx: 10 ltrs/hr L 1700 E0 / EC 12 ltrs/hr L 2000 E0 / EC |
| LBA Type Certificate No | 4582 (JAR 22-H) L 1700 E0 / EC 4597 (JAR 22-H) L 2000 E0 / EC |
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| Engine Power |
50kW ,59kW ,68HP ,80HP |
|---|---|
| Engine Weight |
73kg ,74kg |
| Engine Displacement |
1680cm3 ,1994cm3 |
| Engine Bore |
88mm ,90mm |
| Engine Stroke |
69mm ,78.4mm |







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