Shenzhen Nuobashi Trading Co.,Ltd

Limbach L550E is a four-cylinder, two-stroke, horizontally opposed engine, with excellent performance, outstanding reliability and excellent power-to-weight ratio, which has been used in many fixed-wing unmanned stages in France, South Africa, Thailand, Singapore and domestic Chinese Academy of Sciences and aerospace systems. In order to meet the demand for long endurance and high altitude, Limbach has launched the L550EF EFI engine, which has already been applied in many plateau-type unmanned aerial vehicles, and the L550E engine can be used in 200-450kg take-off weight taxiing, vertical take-off and landing fixed-wing unmanned aerial vehicles, as well as 100-160kg rotorcraft and helicopters.

Limbach L550E is an air-cooled horizontally-opposed four-cylinder two-stroke petrol engine developing 37 kW (50 hp) at 7500 rpm which can drive a propeller either directly or geared. It employs a single magneto ignition, four carburettors, and is lubricated by oil mixture lubrication with a fuel to oil ratio of 25:1 for mineral oil or 50:1 for synthetic oil.

Limbach L550E Specifications
Type: Four cylinder, two stroke aircraft engine
Bore: 66 mm (2.60 in)
Stroke: 40 mm (1.57 in)
Displacement: 548 cc (33.4 cu in)
Length: 300 mm (11.8 in)
Width: 410 mm (16.1 in)
Height: 301 mm (11.9 in)
Dry weight: 16 kg (35 lb)
Components
Fuel type: 90 RON octane unleaded petrol or 100 LL Avgas
Oil system: oil mixture lubrication, 25:1 fuel to oil ratio for mineral oil, 50:1 for synthetic oil
Cooling system: air
Performance
Power output: 37 kW (50 hp)