Some say it’s a marketing strategy, others consider it to be a 4+1 fin setup. The most extreme experts also say that the five-fin setup is only suited for beginner surfers. So, how useful is the five-fin surfboard?
One of the most important rules in the surfboard fin manual is that there are optimal fin setups for different wave types. Yes, you can – and you should – adjust the feel of your board to a mushy or vertical wave face.
There are three important variables in which fin setups have a strong influence: drive (speed), lift and hold. As a rule of thumb, and in an average wave, a thruster is usually slower than a quad.