here's a walk-through with dims.. http://www.surfersteve.com/introduction.htm
FYI on surf-sensitive design options.. http://www.stevens.edu/news/content/stevens-doctoral-candidate-designs-artificial-reefs-coastal-protection
It's the rider, not the craft. Unless you're talking about that experienced rider who lost control of his craft since he apparently can't afford...
And, not sure what your friend was thinking. Probably want to stay out of San Luis Pass on your board. A large area of water drains through that...
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