RATING CERTIFICATE
Sail number : 342

YACHT DESCRIPTION

Name of Yacht: Bonne Amie Photo...
Request date : 29 06 2012
Launch year :1955
Designer : Sparkman & Stephens
Design year : 1954
Builder : Nevins Yacht Yard
Class name : Nevins 40
Usual place of sailing : United States, Caribbean

Declared dimensions :
Lenght Over All (LOA) = 12.19 m
Length on the Water Line ( LWL ) = 8.38 m
Max width ( Bo ) = 3.43 m
Draft (Tmax) = 1.18 m
Displacement factor (FD) = 6.189


Correction factor calculation

Type of rigging : bermudian yawl = 0.98
Hull: classic 2
C2 = 0.08 Kref = 0.187
C2a : -0.189
Regatta series : no = 0
Vintage bonus (build): 1955 = 0.005
Vintage bonus (design): 1954 = 0.004
Cumulative vintage bonus: 0.009
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
Material of mast or boom different from original : no = 0
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : folding or feathering = -0.03
Winches ? : with = 0

Correction factor (C)= 0.82

BERMUDIANS
Max foresail area: 58.6 mē
GenoaJL = 13.64 ; LPG = 8.23

BERMUDIANS
Main total area: 43.12 mē
Mainsail P = 12.12 ; E = 5.18
With Mizzen or Jigger sail P = 5.33 ; E = 2.29

Mizzen staysail :
ALE = 5.75; ALU = 7.08; AMG = 3.35; ASF = 6.25
Area: 21.01 mē

Larger downwindsail area:
SL / ALE = 13.64, SL / ALU = 13.64,
SMG / AMG = 8.50, SF / ASF = 8.23
Area: 96 mē

RATING ( Rc ): 7.6468

Time corrected Factor ( Ftc ): 0.8858

The delivery of a JCH certificate does not have to be understood as the elligibility of the boat to classic regattas.
Elligibility to a specific regatta is governed by the elligibility rules the organizers has decided and have displayed in the Notice of Race.

Certification commission :

Conseil JCH

Date of certificate :

29 06 2012

JCH commission member :

Olivier Beau

Certificate number :

201206790