This one guy I know swears by them. I wanted to know what some of the pros / cons of having channels on a surfboard are? And what exactly they do (I know they help guide water through the fins)?
What does that mean, rail to rail abilities?
They help push water over the fins which is crucial for a thruster set up. This adds speed to the board but it limits it rail to rail ability.



April 4th, 2010
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They help push water over the fins which is crucial for a thruster set up. This adds speed to the board but it limits it rail to rail ability.
References :
It pretty much means you don’t slide out at all, so it depends on what you want to do with it such as barrel ride, top to bottom solid moves or what your surfing style is like. One of my board had channels and it was great but boy did I find it hard to do 360s with that puppy so it was best for solid stuff and not for silly tricks.
Rail to rail means turning from one rail onto the other.
P.s. I loved it until I snapped it.
References :
20 years