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    Speedometer Pitot Tube Pick Up

    delhavendelhaven Member Posts: 42 ✭✭
    Question for anyone out there with a MerCruiser engine, Bravo 3 out drive and Faria speedometer. The pick up hole for the speedometer sensor is in the drive, front side of the lower unit. Is it just a hole in the lower unit or do you have a small wheel fitting that plugs into the pick up hole?


    • cjjjdeckcjjjdeck Northern NJMember, Moderator Posts: 1,254 ✭✭✭✭
      My unit is as described on the attachment from the Mercrusier manual.  

      Maybe this helps.
      2012 SD237 I/O Mercruiser 5.0L MPI ECT/ Bravo 3
      2012 Load Rite Elite Tandem axle trailer

    • delhavendelhaven Member Posts: 42 ✭✭

      Thanks.  That's what it looks like on my drive too. I thought Faria offered a small paddle wheel that fit in the pick up hole as the sender to the speedometer, but I found out they don't.

      Has anyone replaced their water fed speedometer with a gps speedometer? Faria makes one. The gps antenna is in the speedometer.

      I'm going to check it out because pitot tube senders fail eventually and they are not accurate.

    • cjjjdeckcjjjdeck Northern NJMember, Moderator Posts: 1,254 ✭✭✭✭
      Interesting product!  I have a GPS chartplotter/sonar unit that gives me GPS speed (which is especially useful when going under 20 mph).  The accuracy between the readings of the two units have been pretty close (when the pitot tube unit finally starts to register). 
      My previous boat had a paddle wheel sensor on the chartplotter/sonar unit I had and it worked great at all speeds.

      I'd be interested in hearing anyone's experience with the GPS speedo as well.
      2012 SD237 I/O Mercruiser 5.0L MPI ECT/ Bravo 3
      2012 Load Rite Elite Tandem axle trailer

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