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July 31, 2017

The great Duke Kahanamoku spread surfing around the world,  He also was an early stand up paddler with knowledge and wisdom of  surfboard design.

In this clip Duke stand up paddles on a boat like hull.  Displacement hulls were introduced during this era by Tom...

July 29, 2017

The Caballitos de Tatora is an ancient Peruvian fishing and surfing boat.  The hull is constructed out of thousands reeds tied together.  The reeds are bundled and form a round bow.  The front end is bent to give, extreme nose rocker.  Unlike a flat surfboard or tobogg...

July 27, 2017

Drink Soup with a Fork

When you slowly lift open fingers through water, it drains between your fingers.  Add speed by flicking your open fingers upward, through water.  Water will not drain, but instead; will fly through the air.  Speed generates hydrodynamic resistance...

July 25, 2017

Vessels move through water by displacing water.    The vessel's bow cuts a path and moves water out of its way.  Water moves in the form of a bow wave or wake.  The more efficiently a vessel's bow displaces water, the faster and further the vessel can move.    The shap...

July 19, 2017

Rocker
     Niccolo hangs on for an incredible ride, The wave is extremely round and hollow, with water rapidly streaming up its face. The flow of water is opposite Niccolo's movement. The bend in the bottom of his surfboard, abruptly impacts wave face, and gets caught...

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