Versatile and Efficient, The Advanced Design of the Limbach Engine L275E
The Limbach Engine L275Eย is a robust two-cylinder, horizontally opposed, air-cooled, two-cycle engine designed for both pusher and tractor installations. This UAV Engine features a fuel-saving electronic engine management system and utilizes mixture lubrication, ensuring optimal performance and efficiency. Its design makes it suitable for a variety of applications, delivering reliable power with advanced technology aimed at enhancing fuel economy and overall engine management.
The Limbach Engine L275E’s Impressive Power and Efficiency
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Limbach L275E Engine โ FAQ
1. What are the key technical specifications of the L275E?
The Limbach L275E is a two-cylinder, horizontally opposed, air-cooled, two-stroke engine designed for UAV and light aircraft use.
It delivers 22 horsepower (16 kW) at 7,200 rpm and has a displacement of 274 cmยณ with a bore of 66 mm and stroke of 40 mm.
The engine weighs approximately 7.2 kilograms (dry weight) when equipped with a magneto ignition system.
It operates efficiently with mixture lubrication and is optimized for both pusher and tractor installations.
2. What materials and construction methods are used in the engine?
The crankcase is made from aluminum die casting for strength and reduced weight.
The crankshaft is drop-forged and one-piece, using split connecting rods with needle bearings for durability.
The pistons are cast aluminum alloy, and the cylinders are aluminum with silicon carbide-coated barrels, offering superior wear resistance and thermal conductivity.
3. What ignition and fuel systems does the L275E use?
The engine features a solid-state magneto ignition system firing both cylinders simultaneously for reliable combustion.
It includes two diaphragm all-position carburetors, which operate efficiently in any orientation without requiring a choke.
This setup ensures consistent fuel delivery and dependable ignition performance in all flight conditions.
4. What performance and installation options are available?
The L275E can be configured for both pusher and tractor installations, making it adaptable to various UAV designs.
It does not include a starter or generator by default, maintaining a low total weight, though optional accessories may be integrated as needed.
The engineโs compact and efficient design ensures long service life with minimal maintenance.
5. What purchasing and payment options are available?
The Limbach L275E is priced at approximately 4,190 USD.
Payments can be made via bank transfer, PayPal, or major credit cards for both individual and enterprise customers.
Bulk purchase and OEM agreements are available for UAV integrators and aerospace manufacturers.
6. What documentation and compliance materials are provided?
Each engine comes with technical manuals, installation guides, maintenance documentation, and performance specifications.
The L275E complies with civilian UAV export regulations and is intended for commercial and research use only.
It is strictly prohibited for use in military or warfare applications. MotioNew provides technical support and spare part supply for long-term reliability.
Specifications
Specifications of Limbach Engine L275E
| Performance | 16 kW (22 HP) at 7200 rpm |
| Bore | 66 mm / 2.60 inch |
| Stroke | 40 mm / 1.57 inch |
| Displacement | 274 cm3 / 16.72 cub. inches |
| Crankcase | Aluminum casting |
| Crankshaft | Drop forged, one piece utilizing 2 split connecting rods with needle bearings |
| Pistons | Cam ground, casted aluminum alloy |
| Cylinders | Casted aluminum alloy, with nicasil coated barrel |
| Ignition System | Solid state magneto ignition |
| Firing Orderย | Both cylinders simultaneously |
| Carburators | 2 diaphragm all position carburators, without choke |
| Starter | without |
| Generatorย | without |
| Dry weight approx. | 7.2 kg with magneto ignition |
| Fuel | AVGAS 100LL or 90 RON mixed with a suitable oil to the ratio of 1:25 or 1:50 (with synthetic oil) |
| Optional Equipment | Cylinders with additional heat sinks (+ 0.6 kg) Shielded ignition system short crankshafts Exhaust stacks Starter 12 V, 0.3 kW Generator 28 V, 1200 W |
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| Engine Power |
16kW ,22HP |
|---|---|
| Engine Weight |
7.2kg |
| Engine Displacement |
274cm3 |
| Engine Bore |
66mm |
| Engine Stroke |
40mm |





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