Limbach L550E
{{Short description|German aircraft engine}}
{{Use dmy dates|date=January 2022}}
{{Use British English|date=January 2022}}
| {{Infobox aircraft begin
| name=Limbach L550E | image=Бензиновий двигун БПЛА Shahed-136.jpg | caption=Mado MD550 from the Shahed 136 UAV }}{{Infobox Aircraft Engine |type=Aircraft engine |manufacturer=Limbach Flugmotoren |designer= |national origin=Germany |first run= |major applications= |produced=1987 onwards{{cite web |title=Limbach |url=https://www.enginehistory.org/Piston/HOAE/Limbach.html |website=www.enginehistory.org}} |number built= |developed from= |variants with their own articles= }} |
The Limbach L550E is a German aircraft engine, designed and produced by Limbach Flugmotoren of Königswinter.Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, pages 240-241. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
Design and development
The L550E is an air-cooled horizontally-opposed 550cc four-cylinder two-stroke petrol engine developing {{convert|37|kW|hp|sigfig=2|abbr=on}} 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.{{ref|EngineHistory}}{{cite web|url=http://www.limflug.de/en/products/engines-15kw-40kw.php|title=Aircraft engines from 15 kW to 40 kW|author=Limbach Flugmotoren|work=limflug.de|accessdate=23 June 2015}}
=Iranian copy=
Since at least 2014, the Iranian firm Mado has marketed a copy of the L550E, called MD550.{{cite news |url=https://www.uskowioniran.com/2014/11/takeaways-from-iranian-national.html|title=Takeaways from Iranian National Aerospace Exhibition 2014 }} The Mado variant is used for the Iranian Shahed-136 UAV.{{cite news |url=https://www.jpost.com/middle-east/article-720641|title=Iranian drone engines in the spotlight as Herzog visits US - analysis}}
=Xiamen Limbach=
The Garpiya family of drones is powered by Limbach L550E from Xiamen Limbach.{{cite web |title=Russia Reportedly Deploys New, Domestically Developed Drones With Chinese Engines |url=https://www.kyivpost.com/post/38955 |website=kyivpost.com |publisher=Kyiv Post |access-date=26 September 2024 |archive-date=26 September 2024 |archive-url=https://web.archive.org/web/20240926004521/https://www.kyivpost.com/post/38955 |url-status=live }}
Specifications (L550E)
{{pistonspecs|
|ref=World Directory of Leisure Aviation 2011-12 and manufacturer
|type= Four cylinder, two stroke aircraft engine
|bore={{convert|66|mm|in|sigfig=3|abbr=on}}
|stroke={{convert|40|mm|in|sigfig=3|abbr=on}}
|displacement={{convert|548|cc|cuin|sigfig=3|abbr=on}}
|length={{convert|300|mm|in|sigfig=3|abbr=on}}
|diameter=
|width={{convert|410|mm|in|sigfig=3|abbr=on}}
|height={{convert|301|mm|in|sigfig=3|abbr=on}}
|weight={{convert|16|kg|lb|sigfig=2|abbr=on}}
|valvetrain=
|supercharger=
|turbocharger=
|fuelsystem=
|fueltype=90 RON octane unleaded petrol or 100 LL Avgas
|oilsystem=oil mixture lubrication, 25:1 fuel to oil ratio for mineral oil, 50:1 for synthetic oil
|coolingsystem=air
|power={{convert|37|kW|hp|sigfig=2|abbr=on}}
|specpower=
|compression=
|fuelcon=
|specfuelcon=
|oilcon=
|power/weight=
|designer=
|reduction_gear=
|general_other=
|components_other=
|performance_other=
}}
See also
References
{{Reflist}}
External links
- {{Official website|http://www.limflug.de/en/products/engines-15kw-40kw.php}}
{{Limbach aeroengines}}
Category:Limbach aircraft engines