type certified
A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design (''type design''). Certification confirms that the aircraft of a new type intended for serial production is in compliance w ...
German
aircraft engine
An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...
s, designed and produced by
Limbach Flugmotoren
Limbach Flugmotoren (''Limbach Aero Engines'') is a Chinese-owned company based in Germany that produces aircraft engines.
History
The company is named after Peter Limbach who expanded his father's engine repair business in the 1970s in Köni ...
of
Königswinter
Königswinter (; ; Low Franconian: ) is a town and summer resort in the Rhein-Sieg district, in North Rhine-Westphalia, Germany.
Geography
Königswinter is situated on the right bank of the Rhine, opposite Bad Godesberg, at the foot of the ...
for use in
light aircraft
A light aircraft is an aircraft that has a Maximum Takeoff Weight, maximum gross takeoff weight of or less.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 308. Aviation Supplies & Academics, 1997.
Light aircraft are use ...
and
motorglider
A motor glider is a fixed-wing aircraft that can be flown with or without engine power. The FAI Gliding Commission Sporting Code definition is: a fixed-wing Aircraft#Heavier-than-air – aerodynes, aerodyne equipped with a means of propulsion (M ...
s.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', pages 240-241. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
The series were originally designated as the ''SL1700'' under its former certification and was changed to ''L1700'' by company Service Bulletin no. 17.
Design and development
The L1700 is a four-cylinder
four-stroke
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...
,
horizontally-opposed
A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, ...
air-cooled, petrol direct-dive engine design, based upon the
Volkswagen air-cooled engine
The Volkswagen air-cooled engine is an Air-cooled engine, air-cooled, gasoline-fuelled, boxer engine with four horizontally opposed cast-iron cylinder (engine), cylinders, cast aluminum alloy cylinder heads and pistons, magnesium-alloy crankca ...
. It employs a single
magneto
A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current. Unlike a dynamo, a magneto does not contain a commutator to produce direct current. It is categorized as a form of alternator, ...
ignition, one
carburettor
A carburetor (also spelled carburettor or carburetter)
is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the Vent ...
, is lubricated by a
wet sump
Within piston engines, a wet sump is part of a lubrication system whereby the crankcase sump is used as an integral oil reservoir. An alternative system is the dry sump, whereby oil is pumped from a shallow sump into an external reservoir.Wet su ...
and produces at 3600 rpm.
The L1700 was type certified by the
European Aviation Safety Agency
The European Union Aviation Safety Agency (EASA) is an agency of the European Commission with responsibility for civil aviation safety in the European Union. It carries out certification, regulation and standardisation and also performs inve ...
on 4 August 2006. The first engines in the series had originally been certified by the German
Luftfahrt-Bundesamt
The ''Luftfahrt-Bundesamt'' (LBA, "Federal Aviation Office") is the national civil aviation authority of Germany headquartered in Braunschweig.
Variants
;L1700 EA
:Version that puts out for takeoff and continuously.
;L 1700 EB
:Version that puts out for takeoff and continuously.
;L1700 EO/EC
:Version that puts out for takeoff and continuously.
;L 1700 ED
:Version that puts out for takeoff and continuously.