Sauer S 2400 UL


The Sauer S 2400 UL is a 4 stroke aircraft engine for homebuilt and ultralight aircraft.

Design and development

The engine is based on the Volkswagen air-cooled engine or the Wasserboxer. It is extensively modified for aircraft use and all the parts are custom made. The engine is derived from the certified engines produced by the same manufacturer and used in several motorgliders and small aircraft.
The engine can be delivered with aluminium or magnesium casing, where the aluminium casing weighs 7 kg more.

Applications