Huck
June 1, 2025, 1:31pm
2
These questions come up again & again, you can find a lot of discussion in the archives. Try rephrasing your search in different terms to get more results.
Here’s a couple I found: link 1
https://forum.swaylocks.com/t/relationship-of-quad-fin-single-to-double-concave-and-cant/40680
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Link 2
looking at your diagram, look at the ‘green’.
Its the angle in excess of 90 degrees. So a proper measurement would be in the range of 0-10 degrees.
Cant can perhaps be described as a fin leaning toward the closest rail
and is the angle in excess of 90 degrees leaning towards the rail.
Alternatively a protractor could be put to any side of the fin to measure the angle off of the perpendicular(90deg.)
A fin leaning towards the rail would have a positive cant of 0-10 degrees.
A fin pe…
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