| Sauer S 2100 ULT | |
|---|---|
| Type | Horizontally opposed piston aircraft engine |
| National origin | Germany |
| Manufacturer | Sauer Flugmotorenbau GmbH |
| Major applications | Ultralights and homebuilt aircraft |
| Developed from | Wasserboxer |
The Sauer S 2100 ULT is a turbocharged four-stroke aircraft engine for homebuilt and ultralight aircraft.[1]