Paddling and Catching the Wave


Finally we're gonna catch that perfect wave. A surfer must accelerate to the wave velocity using a combination fo paddling and graity. If the surfer doesn't reach the correct speed the wave will destroy him and cause pain or injury.

When using a long board, you have more flotation, mean you have to paddle harder to reach correct velocity, catch wave earlier, before it crest.

When using a short board, less flotation, lower paddling velocity, relay more on gratiy to reach correct velocity of the wave.




Picture: Mike Grissom

We know:

FH= Fsinθ

Fcosθ= Mg

So

FH= Mgtanθ
This equation represent the force on surfer from the wave, where Mg is (mass) multiplied by (gravity) and tan is the angle we can find using easy trigonometry.
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