Sauer S 2500 ULT - turbocharged

4 cylinder 4-stroke air-oil cooled engine with horizontally opposed cylinders, hydraulic valves, automatic carburetor, mechanical fuel pump, magneto-electronic dual ignition, wet sump pressure lubrication

(S2500ULT pdf)

        Maximum Power                   93 KW / 126 HP @ 3000 rpm

        Continous HP                        84 KW / 114 HP @ 2700 rpm                                  

        Displacement                       2483 cm³

        Bore                                      97 mm

        Stroke                                   84 mm

        Compression rato                8.0 : 1

        Ignition                                  Sauer Magneto / Electronic dual

        Spark plugs                           NGK D9EA

        Firing Order                          1-3-2-4

        Firing point                            25° BTDC

        Carburetor                            altitude compensated                                  

       Fuel min. oktane                   98 RON / AVGAS 100LL

       Mechanical fuel pump           Sauer

       Starter                                   12 V – 1,2 KW

        Generator                             14 V – 200 W

        Oil pressure                          max. 4.5 bar,  min 2 bar at 2500 rpm

        Oil temperature                     50-120°C/ 122-250F

        Oil capacity                           3 ltrs

        Cylinder head temperature max. 200°C / 392F

        Propeller drive                      direct drive, anti-clockwise

        Dry weight approx.               83 Kg  / 183lb

        Fuel consumtion in cruise   15-18 ltrs/hr  4 - 4.8 gal/hr

        Type Certificate No.             4580 / UL