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Method for maneuvering a marine vessel in response to a manually operable control device

  • US 20070089654A1
  • Filed: 10/12/2005
  • Published: 04/26/2007
  • Est. Priority Date: 10/12/2005
  • Status: Active Grant
First Claim
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1. A method for maneuvering a marine vessel, comprising the steps of:

  • providing a first marine propulsion device which is rotatable about a first steering axis which extends through a lower surface of a hull of said marine vessel;

    providing a second marine propulsion device which is rotatable about a second steering axis which extends through said lower surface of said hull of said marine vessel;

    providing a manually operable control device which is configured to provide an output signal which is representative of a desired movement of said marine vessel;

    resolving said desired movement of said marine vessel into a target linear thrust and a target moment about a preselected point of said marine vessel;

    determining a first rotational position of said first marine propulsion device about said first steering axis, a second rotational position of said second marine propulsion device about said second steering axis, a first magnitude and first direction of thrust for said first marine propulsion device, and a second magnitude and second direction of thrust for said second marine propulsion device which will result in achievement of said target linear thrust and said target moment about said preselected point of said marine vessel;

    rotating said first and second marine propulsion devices to said first and second rotational positions about said first and second steering axes, respectively;

    causing said first and second marine propulsion devices to produce said first and second magnitudes and directions of thrust, respectively.

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