The Sauer S 1800 is a family of

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

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 ...

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, certified according to JAR 22-H (CS-22 subpart H)
Sauer Flugmotorenbau GmbHCS-22
CS-22

Design and development

The engine is based on 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 ...

, extensively modified for aircraft use and all the parts are custom made. They are certified according to CS-22 subpart HLBA 4590
LBA and can therefore be used in

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 and

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 ...

that are

certified Certification is part of testing, inspection and certification and the provision by an independent body of written assurance (a certificate) that the product, service or system in question meets specific requirements. It is the formal attestatio ...

as CS-VLACS-VLA
CS-VLA and CS-LSACS-LSA
CS-LSA

Variants

;Sauer S 1800-1-ES1: ;Sauer S 1800-1-ES1C: ;Sauer S 1800-1-RS1:

Applications

* AMS CaratAMS Carat
AMS Carat.

Specifications

References

External links