Watercraft hull with adjustable keel
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United States of America Patent
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-
Mar 4, 2008
Grant Date -
Jun 29, 2006
app pub date -
Dec 6, 2005
filing date -
Dec 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A watercraft hull having a pair of laterally spaced propulsion tunnels located on opposite sides of its keel, with said tunnels being open downwardly towards the water, includes a movably mounted keel section located between said propulsion tunnels to prevent water crossflow between said tunnels and increase dynamic lift on the hull.
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