Rake your R13 Soft to rake 8+. That means you have to sand your fin. The fin in the front of the box is now about 5 mm. lower than the bottom of the board. This means you raked your fin for about 2cm more to +8. Move your masttrack position to the back.
My baseplate is till the bigger plug position. With rake 8+ you get more power in light winds.
Hope this help.
Sieger
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