Limbach L1700

The Limbach L1700 is a series of type certified German aircraft engines, designed and produced by Limbach Flugmotoren of Königswinter for use in light aircraft and motorgliders.[1]

Limbach L1700
Type Aircraft engine
National origin German
Manufacturer Limbach Flugmotoren
Major applications Fournier RF-5
Schleicher ASK 16
SZD-45 Ogar
Produced 1971-present

The series were originally designated as the SL1700 under its former certification and was changed to L1700 by company Service Bulletin no. 17.[2]

Design and development

The L1700 is a four-cylinder four-stroke, horizontally-opposed air-cooled, gasoline direct-dive engine design, based upon the Volkswagen air-cooled engine. It employs a single magneto ignition, one carburettor, is lubricated by a wet sump and produces 50 kW (67 hp) at 3600 rpm.[1][3]

The L1700 was type certified by the European Aviation Safety Agency on 4 August 2006. The first engines in the series had originally been certified by the German Luftfahrt-Bundesamt (LBA) on 6 December 1971.[2]

Variants
L1700 EA
Version that puts out 44 kW (59 hp) for takeoff and 41 kW (55 hp) continuously.[3]
L 1700 EB
Version that puts out 53 kW (71 hp) for takeoff and 48 kW (64 hp) continuously.[2]
L1700 EO/EC
Version that puts out 50 kW (67 hp) for takeoff and 44 kW (59 hp) continuously.[1][3]
L 1700 ED
Version that puts out 41 kW (55 hp) for takeoff and 39 kW (52 hp) continuously.[2]

Applications

Specifications (L1700 EO/EC)

Data from World Directory of Leisure Aviation 2011-12[1]

General characteristics

  • Type: Four-cylinder, four stroke aircraft engine
  • Bore: 88 mm (3.5 in)
  • Stroke: 69 mm (2.7 in)
  • Displacement: 1,680 cc (102.5 cu in)
  • Length: 617 mm (24.3 in)
  • Width: 770 mm (30.3 in)
  • Height: 415 mm (16.3 in)
  • Dry weight: 73 kg (160.9 lb)

Components

Performance

  • Power output: 50 kW (67 hp) for takeoff, 44 kW (59 hp) continuously
  • Compression ratio: 8.0:1
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See also

Related lists

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, pages 240-241. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. European Aviation Safety Agency (4 August 2006). "EASA.E.082 - Limbach L1700 series engines" (PDF). www.easa.europa.eu. Retrieved 23 June 2015.
  3. Limbach Flugmotoren. "Aircraft engines from 41 kW to 55 kW". limflug.de. Retrieved 23 June 2015.
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