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Barreling wave generating apparatus and method

Image Number 9 for United States Patent #7658571.

A wave forming apparatus has a channel for containing a flow of water, the channel having an inlet end connected to a water supply for supplying a flowing stream of water, a base, and spaced side walls, and at least one oblique foil member in the channel. The oblique foil member has a leading face extending at an oblique angle to the water stream in the channel, and a trailing, venturi face with a leading portion facing one of the side walls to form a venturi or constricted pass between the side wall and leading portion of the venturi face. The leading face, venturi face, and venturi pass together are adapted to form a standing barreling wave at the venturi pass.

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