The Formula Duo Weed is 8cm over the base hoicontal 23cm wide. The 36cm Duo Weed( Grasfinne) is 5cm smaller. 36 is good for 80cm boards and 9m³. Only the Formula Duo Weed is 40cm vertical deep.
Duos are 24 28 32 and 36cm . For very shallow water worked I a 28cm cm Formula Weed, so
wide how the 40cm fin. For 80cm boards and 9m². 100% carbon Wolfgang
Last edited by Lessacher; 21st September 2010 at 12:39 AM.