Watercraft hull with entrapment tunnel

Details Watercraft hull with entrapment tunnel Watercraft hull with entrapment tunnel

2007-12-25

2007-12-25

Avila, Stephen (Department: 3617)

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having fluid channeling or entrapping configuration

C114S289000

Reexamination Certificate

active

11315304

ABSTRACT:
A watercraft hull has at least one bent entrapment tunnel with an aft portion whose tunnel ceiling is at a higher elevation than portions of the tunnel ceiling immediately in front of it to provide a negative angle of attack with the free surface at design planing speeds.

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