RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: COLOMBA Photo 1 - Photo 2...
Request date : 2019-05-01
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 (BH) = 3.60 m
Draft (TE) = 1.90 m
Displacement factor (FD) = 15.949


Correction factor calculation

Type of rigging : gaffer yawl = 0.94
Hull: classic 1
C2 = -0.03 Kref = 0.171
C2a : -0.027
Performance group : Cruiser = -0.14
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
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.472

GAFFERS
Foresail area: 46.33 mē
StaysailHLU = 7.40 ; HLP = 2.62
JibHLU = 11.70 ; HLP = 3.92
flying jibHLU = 7.10 ; HLP = 3.31

GAFFERS
Main total area: 66.82 mē
Gaffer Mainsail
MAE = 11.31, MAH = 5.34,
MAU = 7.12, MAD = 9.90, MAF = 7.69
Mizzen or Jigger sail
MAE = 5.10, MAH = 2.80, MAU = 4.00, MAD = 4.90, MAF = 3.25
With Gaff topsail
FE = 4.98, FU = 4.04, FF = 6.40

No downwindsail

RATING ( Rc ): 4.7913

Time corrected Factor ( Ftc ): 0.7704

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 :

2019-05-01

JCH commission member :

Olivier Beau

Certificate number :

5-019-2718