Limbach Engine L1700E0/EC, L 2000E0/EC | Four Cylinder, Horizontally Opposed Air Cooled Engine
Description
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.
Specifications
L1700 E0 / EC
- Maximum Power (5 min): 68 HP (50 kW) at 3600 RPM
- Continuous Power: 60 HP (44 kW) at 3200 RPM
- Bore & Stroke: 88 mm (3.46 in) x 69 mm (2.71 in)
- Displacement: 1680 cmยณ (102.52 cubic inches)
- Compression Ratio: 8:1
- Fuel Consumption: Approximately 10 liters/hour
L2000 E0 / EC
- Maximum Power (5 min): 80 HP (59 kW) at 3400 RPM
- Continuous Power: 70 HP (51 kW) at 3000 RPM
- Bore & Stroke: 90 mm (3.54 in) x 78.4 mm (3.09 in)
- Displacement: 1994 cmยณ (121.68 cubic inches)
- Compression Ratio: 8.4:1
- Fuel Consumption: Approximately 12 liters/hour
General Features
- Ignition: Slick 4330 magneto, LIMBACH harness
- Spark Plugs: LIMBACH LB-N41.0 with 0.5 mm electrode spacing
- Firing Order: 1 – 3 – 2 – 4, with 30ยฐ BTDC firing point
- Carburetor: Zenith 150 CD-3
- Fuel Requirements: 98 RON (Unleaded) or AVGAS 100LL
- Air Cleaner: LIMBACH
- Fuel Pump: APG-LIMBACH mechanical pump
- Starter: 12V, 1.1 kW with solenoid
- Generator: 14V, 33A or 55A options
- Oil System: Max oil pressure 4 bar, min 1 bar at 2500 RPM, with a 2.5-liter capacity
- Temperature Limits: Max oil temperature 120ยฐC, min 50ยฐC; max cylinder head temperature 250ยฐC
- Propeller Drive: Direct, anti-clockwise with propeller hub options (E01/EC1 for variable pitch, E02/EC2 for fixed pitch)
- Dry Weight: Approx. 74 kg (L2000 E0), 73 kg (L1700 E0)
Both engines come with LBA Type Certificates (JAR 22-H): No. 4582 for L1700 E0/EC and No. 4597 for L2000 E0/EC. The Limbach L1700 and L2000 provide solid, reliable power for general aviation and UAV applications, with consistent fuel efficiency and straightforward operation.
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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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