RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: REBECCA Photo 1 - Photo 2...
Request date : 2021-07-31
Launch year :1998
Designer : R.Dongay
Design year : 1997
Class name : Cornish Crabber 22
Usual place of sailing : France

Declared dimensions :
Lenght Over All (LH) = 6.70 m
Length on the Water Line (LWL) = 6.29 m
Max width (BH) = 2.52 m
TE Centerboard down = 1.50 m
TE centerboard up = 0.72 m
Displacement factor (FD) = 1.958

Correction factor calculation

Type of rig : gaffer cutter = 0.88
Hull: ballasted centerboarder
C2 = -0.1 Kref = 0.211
C2a = 0.055
Performance group : Performance class 4 = -0.05
Vintage bonus (build): 1998 = 0.069
Vintage bonus (design): 1997 = 0.068
Cumulative vintage bonus: 0.137
Hull material : other = 0.05
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : bipale_axe = -0.05
Winches ? : without = -0.05

Correction factor (C)= 0.86
GAFFERS
Foresail area: 13.73 m²
Staysail HLU = 5.11 ; HLP = 2.44
Jib HLU = 7.02 ; HLP = 1.97

GAFFERS
Main total area: 17.25 m²
Gaffer Mainsail
MAE = 8.00, MAH = 3.49,
MAU = 4.55, MAD = 5.64, MAF = 3.88

No downwindsail

RATING ( Rc ): 4.1425

Time corrected Factor ( Ftc ): 0.7333

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 :

2021-08-01

JCH commission member :

Olivier Beau

Certificate number :

8-011-3445