The Sauer S 2100 is a family of

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. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...

certified Certification is 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 attestation or confirmation of certain characteristics of a ...

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, gasoline-fuelled, boxer engine with four horizontally opposed cast-iron cylinders, cast aluminum alloy cylinder heads and pistons, magnesium-alloy crankcase, and forged steel crankshaft and co ...

, extensively modified for aircraft use and all the parts are custom made. They are certified according to CS-22 subpart HLBA 4608
LBA and can therefore be used in motorgliders and light aircraft that are certified as

CS-VLA EASA CS-VLA is the European Aviation Safety Agency Certification Specification for Very Light Aircraft. The Very Light Aircraft (VLA) aircraft certification category introduced in 2003 by the European Aviation Safety Agency (EASA) is intended to ...

CS-VLA
CS-VLA and CS-LSACS-LSA
CS-LSA

Variants

;Sauer S 2100-1-AS1: ;Sauer S 2100-1-SS1:

Applications

* Scheibe SF 36

Specifications

References

External links