i made myself an 8 footer, mini-mal type shape except i decided to do a double wing swallow, with a twin fin, small trailing fin setup. i rode it like that, and decided to lose the little fin, put a regular trailing fin (GPR size) and put another plug in the center to move the trailer fin up from 4" to approximately 6". the lead fins are at 14". anyway, successful mission, the board's got a much tigher turning radius and just feels better turning. i think the change in performance may have something to do with the cluster of fins too spread out in the original setup. any thoughts???