RATING CERTIFICATE
Sail number : 78

YACHT DESCRIPTION

Name of Yacht: Roch Lout 78
Request date : 21 07 2018
Launch year :2012
Designer : Roger Dongray
Class name : Cornish Crabber 22

Declared dimensions :
Lenght Over All (LH) = 6.70 m
Length on the Water Line (LWL) = 6.29 m
Max width ( Bo ) = 2.52 m
Draft (Tmax) = 1.50 m
Displacement factor (FD) = 1.903


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: ballasted centerboarder
C2 = 0 Kref = 0.215
C2a : 0.052
Regatta series : no = 0
Vintage bonus (build): 2012 = 0.09
Vintage bonus (estimated): 2011 = 0.088
Cumulative vintage bonus: 0.178
Hull material : other = 0.05
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)= 1.1

GAFFERS
Foresail area: 11.23 m
StaysailJL = 5.05 ; LPG = 2.41
JibJL = 4.89 ; LPG = 1.91

GAFFERS
Main total area: 17.97 m
Gaffer Mainsail
A = 8.03, B = 3.71,
C = 4.56, D = 5.59, E = 3.90

No downwindsail

RATING ( Rc ): 5.1717

Time corrected Factor ( Ftc ): 0.7816

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 07 2018

JCH commission member :

Olivier Beau

Certificate number :

2018072369