New Formula

Hi every body - happy New Year !!!

Here is the New Formula :

                                       LWL  x  SF  x  10  =  8    

Water lenght in meters and Sail surface in m² (mono hull only).

All the rest is free except for the use of lead, here replaced by LEAD SHOT ALLOY (lead/antimoine) for ECOLOGICS reasons being sure that will be properly encapsulated.

This formula is simply derived from the 10R just adapted to smaller models.

Dixon Kemp would be very pleased!
I havn’t done any calculations.what size of boat does this rule produce?

Hi Brett,

just in a reasonable range for LWL = 0.95m -1.20m and SA = 084m² -.0.66m²