| Sauer S 2500UL | |
|---|---|
| Type | Horizontally opposed piston engine |
| National origin | Germany |
| Manufacturer | Sauer Flugmotorenbau GmbH |
| Major applications | Experimental Aircraft |
| Developed from | Volkswagen Wasserboxer engine |
The Sauer S 2500 UL and Sauer S 2500 ULT are four-stroke aircraft engines for homebuilt aircraft. [1] [2]
The engines are based on the Volkswagen Wasserboxer engine. They are extensively modified for aircraft use and all the parts are custom made. These engines are derived from the certified engines produced by the same manufacturer and used in several motorgliders and light aircraft. [1]