shark fin casserole

by **bluevelvet** » Fri Apr 26, 2013 5:26 pm

Is it possible to be over finned( too much area lift etc ) on these boards?

by **Kyle** » Sat Apr 27, 2013 10:30 pm

by **AndyW** » Sun Apr 28, 2013 7:43 am

there are a number of factors at play.

Generally for a full size dude we are working w/ 41.5-42cm front and 39-40 back with cant of 3-4 degrees depending on your boards rocker.
Foot strap positioning/angle (fore/aft) makes a huge difference and can make the board go from unrideable to locked in.

You can also play with the rake, for Squamish I trim my fins forward about 1mm at the fin-box due to the flat water.

by **bluevelvet** » Sun Apr 28, 2013 9:33 am

O.k. . What about fin area? On the slalom boads ive sailed they seem to be best when they are slim (both root and chord) enough just to prevent twist and lateral flex for a given lenght(depth). The drake 42 for my isonic has about 75 % of the chord of the fins on the air rush and it is longer.

by **AndyW** » Sun Apr 28, 2013 10:40 am

Tough to say as not sure of what fins are on your airush. Have you compared against a set of tectonics or Rista's?