RATING CERTIFICATE
Sail number : CY8

YACHT DESCRIPTION

Name of Yacht: Nicola Kate Photo...
Request date : 20 08 2018
Launch year :1986
Designer : Roger Dongray
Builder : Cornish Crabber
Class name : Cornish crabber yawl
Usual place of sailing : Saint Briac

Declared dimensions :
Lenght Over All (LH) = 7.46 m
Length on the Water Line (LWL) = 6.32 m
Max width ( Bo ) = 2.59 m
Draft (Tmax) = 1.52 m
Displacement factor (FD) = 3.211


Correction factor calculation

Type of rigging : gunter yawl = 0.965
Hull: ballasted centerboarder
C2 = 0 Kref = 0.215
C2a : 0.028
Regatta series : no = 0
Vintage bonus (build): 1986 = 0.052
Vintage bonus (estimated): 1985 = 0.051
Cumulative vintage bonus: 0.103
Hull material : other = 0.05
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 = -0.04
Winches ? : with = 0

Correction factor (C)= 1.106

GAFFERS
Foresail area: 17.1 mē
JibJL = 7.17 ; LPG = 4.57

GAFFERS
Main total area: 22.32 mē
Gaffer Mainsail
A = 8.31, B = 3.39,
C = 4.94, D = 5.90, E = 3.83
With Mizzen or Jigger sail
A = 4.10, B = 1.00, C = 3.60, D = 4.00, E = 1.50

No downwindsail

RATING ( Rc ): 5.3365

Time corrected Factor ( Ftc ): 0.7892

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 :

20 08 2018

JCH commission member :

Olivier Beau

Certificate number :

2018082418