RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: COLOMBA Photo...
Request date : 14 04 2018
Launch year :1930
Designer : AUROUX
Builder : AUROUX
Usual place of sailing : ATLANTIQUE/MEDITERRANEE

Declared dimensions :
Lenght Over All (LH) = 15.31 m
Length on the Water Line (LWL) = 12.07 m
Max width ( Bo ) = 3.60 m
Draft (Tmax) = 1.90 m
Displacement factor (FD) = 15.186


Correction factor calculation

Type of rigging : gaffer yawl = 0.94
Hull: classic 1
C2 = -0.02 Kref = 0.185
C2a : -0.129
Regatta series : no = 0
Vintage bonus (build): 1930 = -0.02
Vintage bonus (estimated): 1929 = -0.021
Cumulative vintage bonus: -0.041
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)= 0.56

GAFFERS
Foresail area: 46.33 mē
StaysailJL = 7.40 ; LPG = 2.62
JibJL = 11.70 ; LPG = 3.92
flying jibJL = 7.10 ; LPG = 3.31

GAFFERS
Main total area: 66.82 mē
Gaffer Mainsail
A = 11.31, B = 5.34,
C = 7.12, D = 9.90, E = 7.69
With Mizzen or Jigger sail
A = 5.10, B = 2.80, C = 4.00, D = 4.90, E = 3.25
With Gaff topsail
F = 4.98, G = 4.04, H = 6.40

No downwindsail

RATING ( Rc ): 5.6472

Time corrected Factor ( Ftc ): 0.8031

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 :

14 04 2018

JCH commission member :

Olivier Beau

Certificate number :

2018042171