Limbach L1700 Explained

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]

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, petrol 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 500NaN0 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 440NaN0 for takeoff and 410NaN0 continuously.[3]
    L 1700 EB
  • Version that puts out 530NaN0 for takeoff and 480NaN0 continuously.[2]
    L1700 EO/EC
  • Version that puts out 500NaN0 for takeoff and 440NaN0 continuously.[1] [3]
    L 1700 ED
  • Version that puts out 410NaN0 for takeoff and 390NaN0 continuously.[2]

    Notes and 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. News: EASA.E.082 - Limbach L1700 series engines. 23 June 2015. European Aviation Safety Agency. European Aviation Safety Agency. 4 August 2006. www.easa.europa.eu.
    3. Web site: Aircraft engines from 41 kW to 55 kW . Limbach Flugmotoren . Limbach Flugmotoren . limflug.de. 23 June 2015.