Measuring and testing – Navigation – Leeway incidence or side-slip
Patent
1982-06-02
1984-12-18
Stearns, Richard R.
Measuring and testing
Navigation
Leeway incidence or side-slip
73188, 33364, 33378, 403132, G01W 104, G01W 102
Patent
active
044884311
ABSTRACT:
This invention relates to a wind direction indicator spherically rotatable about a liquid supported poly axial magnetic compass. The wind direction indicator determines the wind direction without any pivotal support. The wind direction structure is orientated to the reference center of the compass by means of the transparency of the spherically rotating structure. The displacement of the wind direction indicator base upon the wind responsive rudder and wing structure thereon causes the device to give an accurate direction of the wind that may be used during sailboat racing. The spherically rotatable structure or wind direction indicator is independently movable regardless of the mounting of the device on the sailboat or any other support structure. The frictional contact between the boat support structure and the device is minimized because there is no surface to surface contact between the moving elements. The boat heeling, rocking, pitching, or any other movement of the support structure is not transmitted to the wind indicating device. The wind direction indicator device may also have a wind intensity or velocity device that is orientated into the specific direction of the wind having a reference point. A wind force electrical generating structure may be used within the spherical rotatable wind direction indicating device.
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Corr Denis E.
Stearns Richard R.
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