Evolution and the Planning Hull
The image below is of a surfboard planning hull. Most surfboards are flat from end to end. A few have concaves and Vee's in the tail...
Fluid Dynamics
The following video is a simulation of a ship hull pushing water out of its path as it moves forward. The ship's bow parts water and...
Hydrodynamic Resistance
Speed on water generates resistance. Water resists compression. Water does not compress due to inter molecular hydrogen bonding. Bonding...
Hulls
There are many surfboard hull shapes; most can be classified into three categories. Each category has conditions which optimize...