RATING CERTIFICATE
Sail number : 130

YACHT DESCRIPTION

Name of Yacht: PERLE NOIRE Photo 1 - Photo 2...
Request date : 2019-05-21
Launch year :1979
Designer : R. Dongay
Design year : 1974
Builder : Cornish Crabber
Class name : Cornish Crabber 24 MK1/2
Usual place of sailing : Saint Briac sur mer

Declared dimensions :
Lenght Over All (LH) = 7.31 m
Length on the Water Line (LWL) = 6.17 m
Max width (BH) = 2.44 m
TE Centerboard down = 1.42 m
TE centerboard up = 0.74 m
Displacement factor (FD) = 1.907

Correction factor calculation

Type of rig : gaffer cutter = 0.88
Hull: ballasted centerboarder
C2 = -0.1 Kref = 0.211
C2a = 0.038
Performance group : Performance class 4 = -0.05
Vintage bonus (build): 1979 = 0.042
Vintage bonus (design): 1974 = 0.036
Cumulative vintage bonus: 0.078
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 : tripale = -0.14
Winches ? : with = 0

Correction factor (C)= 0.764
GAFFERS
Foresail area: 20.14 m²
Staysail HLU = 5.23 ; HLP = 2.96
Jib HLU = 7.65 ; HLP = 3.02

GAFFERS
Main total area: 18.22 m²
Gaffer Mainsail
MAE = 6.00, MAH = 3.85,
MAU = 3.73, MAD = 6.97, MAF = 4.23
With Gaff topsail
FE = 3.35, FU = 2.77, FF = 4.35

No downwindsail

RATING ( Rc ): 4.5357

Time corrected Factor ( Ftc ): 0.7512

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 :

2019-05-22

JCH commission member :

Perrin Patrick

Certificate number :

5-229-2794