hey roger, you bring out an interesting aspect - namely underfinning a board
my board is wider in width and tail than the SB Fu 133 and runs well with the 40 cm fin
one usually says the max fin length to use is the ofo width
how does one determine the minimum fin length ??
and what happens if one goes under ??
thanx - as always!!!
joe windsurfer @ 100 kg
2006 AHD type-F FF 160/79cm, 2002 BIC Techno Formula, 2000 Fanatic BEE 124 LTD + Mistral Equipe I LCS
HSM Fire 6.3, Gaastra Flow 3x 7.0, TR-6 8.4, TR4 10.0
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