Page 16 - ULTRAFLEX Katalog 2021
P. 16

SELECTION
            OF                       APPLICATIONS        ENGINE POWER       STEERING SYSTEM
            STEERING              OUTBOARD              up to 40 kW (55cv)        T67
            SYSTEM
            AND CABLE                                     BOAT LENGTH
                                                                            T85 - T71FC - T81FC -
            LENGTH                                                        T73NRFC - T83NRFC - T86
            MEASUREMENT                                   up to 30’ (9m)  T91 T93ZT - T101 - T103ZT  Ultraflex hydraulic
                                                                           - T88NR - T96 - T98NR -
    14                            INBOARD                                    Twin cable rotary   steering systems
                                                                                                are recommended
                                                                             steering systems
                                                                                                for boats that
                                                                              T71FC - T81FC -
                                                                          T73NRFC - T83NRFC - T86   exceed 50 mph.
                                                                                                Always
                                                                           - T88NR - T96 - T98NR -   follow engine
                                                         up to 35’ (10.5m)  T91 - T93ZT - T101 - T103ZT  manufacturer’s
                                                                             Twin cable rotary   instructions.
                                                                             steering systems
                                  STERNDRIVE                                       T85
                                  POWER ASSISTED                              T71FC - T81FC -
                                                                                 T86 - T96
                                                                                T91 - T101

                                                                             Twin cable rotary
                                                                             steering systems

                                  NOTE: sterndrive engines not equipped with power steering can create very high steering loads. Our
                                  hydraulic steering systems are recommended for these type of boats. For any further information please
                                  contact our Technical Service Department.



                                 •   Speed, hull, horsepower, engine type,   approximate lengths will vary. Final selection
                                   displacement and size are major factors   should be made with the assistance of a
                                   in boat performance and handling cha-     qualified technician.
                                   racteristics. The above selection guide should   •   Ultraflex mechanical steering systems should
                                   be used as a general reference only.      not be used on boats equipped with engines
                                 •   One of the major factors in selecting a steering   that exceed the maximum horsepower rating
                                   system is proper cable length.            of the boat.
                                    Due to specific routing in each boat, these
        MECHANICAL STEERING SYSTEMS
            HOW TO                                                                  Add. A + B + C and subtract 10 cm
            MEASURE                                                                 (4”) for each 90° bend in the cable.
            FOR NEW                                                                 For installation through the engine
                                                                                    tilt tube, add 30,5 cm (1 ft) to the
            STEERING                                                                measure calculated above.
            CABLE                                                                   To order in foot length, divide by
                                                                                    30,5 and round off to next whole
            INSTALLATION                                                            foot.









                                                   Fig. 1           Fig. 2                                Fig. 3


                                   TILT TUBE MOUNTING - Fig. 1    TRANSOM SUPPORT OR SPLASHWELL MOUNTING - Fig. 2-3
                                   Example (dimensions in cm):    Example (dimensions in cm):
                                   A (50) + B (250) + C (80) = 380 -   A (50) + B (250) + C (80) = 380 - 20 for two 90° bends = 360:
                                   20 for two 90° bends = 360 + 30,5  30,5 = 11,8 ft; round off to 12 ft
                                   For a thru-tube installation
                                   390,5 cm : 30,5 = 12,8 ft;
                                   round off to 13 ft
   11   12   13   14   15   16   17   18   19   20   21