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Bow Thruster Tube location

Discussion in 'General Discussion' started by wwaseleski, Oct 29, 2020.

  1. wwaseleski

    wwaseleski New Member

    8
    Jul 6, 2016
    Connecticut
    1995 Sea Ray 400 Express Cruiser
    454 Mercruisers, Inboard
    Need information on the optimal location of the tube for a bow thruster in a 1995 SeaRay 400 Express Cruiser. Is there anyone at Brunswick Corp I can contact for dimensions to the location?
     
  2. Gofirstclass

    Gofirstclass Well-Known Member GOLD Sponsor

    Apr 20, 2010
    Tri Cities, WA
    1995 550 Sedan Bridge,
    1981 Boston Whaler 130 Sport,
    CAT 3406C's, 580hp.
    Are you going to install this yourself? If not and you take your boat to a shop that specializes in installing thrusters, they will know the location where the tube goes.
     
  3. wwaseleski

    wwaseleski New Member

    8
    Jul 6, 2016
    Connecticut
    1995 Sea Ray 400 Express Cruiser
    454 Mercruisers, Inboard
    I have a fiberglass professional installing it, just curious if SeaRay engineers had a planned location
     
  4. PlayDate

    PlayDate Well-Known Member

    Dec 25, 2006
    Washington DC
    1994 370 Express Cruiser
    454 Mercruisers

    You probably should check with your Thruster supplier first. Brunswick subs out the installation of bow thrusters. The usual suspects, SidePower and Vetus probably have some installation data that would be useful....but there is nothing as useful as finding one installed on your model boat.

    On mine....it had to fit between two bulkheads located below the v berth. There was no other place to put it without removing a bulkhead. We pulled the reverse cycle unit out and opened up the compartment flooring to get the necessary access. We located the batteries in an existing compartment below the v berth by building a shelf for them to rest on.

    If I recall...the thruster tube had to be be 8" below the resting water line. That plus the compartment location limited where it could go.

    If you are looking for an exact diagram......I will be surprised if you find one that is model specific.
     
  5. The Bill Collector

    The Bill Collector Well-Known Member GOLD Sponsor

    Jun 2, 2008
    Tacoma, WA
    1998 450 Sundancer, Achilles dinghy
    3126 Cat's
    This was provided by CS @ SeaRay...
     

    Attached Files:

    Chris-380 and PlayDate like this.
  6. PlayDate

    PlayDate Well-Known Member

    Dec 25, 2006
    Washington DC
    1994 370 Express Cruiser
    454 Mercruisers
    Great find!
     
    The Bill Collector likes this.
  7. John Del Grosso

    John Del Grosso Member

    32
    Sep 10, 2020
    Central RI
    215 Express Cruiser, Faria Gauges w/GPS Speedometer
    5.0 EFI 240hp w/Alpha I Gen II Drive
    For what it's worth.... you can use a small portable laser level to find and mark the exact location of the 187 3/4" dimension as well as the other dimention center points on the uneven hull. I bought an inexpensive Bosch laser level at the blue store (Lowes) for my home remodel projects and it has come in handy for many other projects! It has a vertical level line option that will work perfectly for your project.
     
  8. mquiet

    mquiet Well-Known Member

    Aug 4, 2009
    North carolina
    1999 480 Sedan Bridge
    Caterpillar 3196
    Just go as big as you can. I have one on our boat and it is useless other than attaching bow lines. Any wind at 12kts or more and the wind wins every time. I have the 6 blade, but the tube is too small. Not enough water flow.
     
  9. techmitch

    techmitch Well-Known Member GOLD Sponsor

    May 1, 2008
    Chesapeake Bay, Middle River/Frog Mortar Creek MD.
    1999 270 DA
    Twin 4.3s W/Alpa I Gen II's
    Interesting. I'm guessing it's 24V, what HP and tube size?
     
  10. mquiet

    mquiet Well-Known Member

    Aug 4, 2009
    North carolina
    1999 480 Sedan Bridge
    Caterpillar 3196
    Yes 24v, but I'm not sure of the tube size. It was installed when built by Vetus.
     

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