Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 13, 2010
Patent Application Number
11972251
Date Filed
January 10, 2008
Patent Primary Examiner
Patent abstract
A boat hull includes a pair of spaced apart cavities formed in the bottom thereof. Mounted within each cavity is an electric trolling motor. An air purge system is provided for purging air from each cavity when the boat rests on a water surface. Additionally each cavity is closed at front and rear ends and is open from the bottom. The depth of each cavity varies from front to rear with a maximum depth occurring generally intermediately between the ends. In operation each trolling motor generates a propulsion stream of water that is directed generally rearedly and downwardly from the rear end of each cavity.
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