RATING CERTIFICATE
Sail number : 1800

YACHT DESCRIPTION

Name of Yacht: Mary Ritchie Photo...
Request date : 30 10 2017
Launch year :1992
Designer : Roger Dongray
Design year : 1977
Builder : John Fuge
Class name : Golant cutter
Usual place of sailing : Helford

Declared dimensions :
Lenght Over All (LH) = 8.35 m
Length on the Water Line (LWL) = 7.68 m
Max width ( Bo ) = 2.74 m
Draft (Tmax) = 1.49 m
Displacement factor (FD) = 4.147


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: traditional
C2 = -0.07 Kref = 0.17
C2a : 0.052
Regatta series : no = 0
Vintage bonus (build): 1992 = 0.06
Vintage bonus (design): 1977 = 0.04
Cumulative vintage bonus: 0.1
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 : 3 fix blades = -0.16
Winches ? : with = 0

Correction factor (C)= 0.872

GAFFERS
Foresail area: 31.3 mē
StaysailJL = 6.19 ; LPG = 2.74
JibJL = 8.83 ; LPG = 4.87

GAFFERS
Main total area: 27.36 mē
Gaffer Mainsail
A = 8.22, B = 3.71,
C = 5.18, D = 8.32, E = 5.06
With Gaff topsail
F = 4.67, G = 2.31, H = 5.06

No downwindsail

RATING ( Rc ): 5.7836

Time corrected Factor ( Ftc ): 0.8091

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 :

31 10 2017

JCH commission member :

Costalas Peter

Certificate number :

2017102108