L 550E datasheet

L 550E datasheet

L 550E datasheet

Product catalog summary
Engine Specifications
The Limbach L 550 E is a four-cylinder, horizontally opposed, air-cooled, two-cycle engine. It features a solid-state magneto ignition and mixture lubrication, making it suitable for both pusher and tractor installations. The engine delivers a performance of 37 kW (50 HP) at 7500 rpm. Key specifications include a bore of 66 mm (2.60 inches), a stroke of 40 mm (1.57 inches), and a displacement of 548 cm3 (33.44 cubic inches). The crankcase is made of aluminum casting, while the crankshaft is a seven-piece drop-forged component. Pistons are cam-ground and made from cast aluminum alloy, and the cylinders are also cast aluminum alloy with a nicasil-coated barrel.
Ignition and Fuel
The engine uses a solid-state magneto ignition system with a firing order of two opposing cylinders simultaneously, offset by 180 degrees. It is equipped with four diaphragm all-position carburetors. The engine does not come with a starter or generator as standard. It requires AVGAS 100LL or 90 RON fuel mixed with suitable oil at a ratio of 1:25 or 1:50 when using synthetic oil.
Optional Equipment
Optional equipment includes cylinders with additional heat sinks (adding 1.2 kg), a shielded ignition system, exhaust stacks, a 12/24 V starter with 0.3 kW power, and a 28 V, 1200 W generator.
Performance Graphs
The document includes performance graphs showing power, torque, and specific fuel consumption (SFC) across various RPM levels. These graphs illustrate the engine's efficiency and performance characteristics at different operational speeds.
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Catalog excerpts

L 550E datasheet-1

alle Datenblätter Data may change without prior notice. Four cylinder, horizontally opposed, air cooled, two cycle engine, with solid state magneto ignition, mixture lubrication. Suitable for pusher and tractor installations. Performance Bore Stroke Displacement Crankcase Crankshaft Pistons Cylinders Ignition system Firing Order Carburators Limbach Flugmotoren GmbH & Co. KG 37 kW (50 HP) at 7500 rpm 66 mm / 2.60 inch 40 mm / 1.57 inch 548 cm3/ 33.44 cub. inches Aluminum casting Drop forged, seven piece Cam ground, casted aluminum alloy Casted aluminum alloy, with nicasil coated barrel Solid state magneto ignition Two opposing cylinders simultaneously, 180 deg. offset 4 diaphragm all position carburators Starter Generator Dry weight approx. Fuel Optional Equipment: without without 16 kg AVGAS 100LL or 90 RON mixed with a suitable oil to the ratio of 1:25 or 1: 50 (with synthetic oil) Cylindersignition system heat sinks Shielded with additional (+ 1.2 kg) Exhaust stacks Shielded ignition system Starter 12/24 V, 0.3 kW Exhaust stacks 1200 W Generator 28 V, Starter 12/24 V, 0.3 kW Generator 28 V, 1200 W

 Open the catalog to page 1
L 550E datasheet-2

Power [HP] Torque [Nm] SFC [g/HPh] Engine with accessories 0,00 4500 Limbach Flugmotoren Kotthausener Straße 5 GmbH & Co.KG D-53639 Königswinter-Sassenberg Tel. ++49-22 44/92 01- 0 Fax ++49-22 44/92 01- 30 E-Mail: [email protected] www.limflug.de Power [HP] Torque [Nm] SFC [g/HPh] Data may change without prior notice. Data may change without prior notice.

 Open the catalog to page 2

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