RATING CERTIFICATE
Sail number : FRA-50

YACHT DESCRIPTION

Name of Yacht: Joker 8
Request date : 06 09 2017
Launch year :1993
Designer : Doug Petterson
Builder : Melges
Class name : 5.5 MJi
Usual place of sailing : Paris

Declared dimensions :
Lenght Over All (LH) = 9.09 m
Length on the Water Line (LWL) = 7.41 m
Max width ( Bo ) = 1.92 m
Draft (Tmax) = 1.34 m
Displacement factor (FD) = 2.474


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: modern
C2 = 0.1 Kref = 0.21
C2a : -0.133
Regatta series : yes = 0.3
Vintage bonus (build): 1993 = 0.062
Vintage bonus (estimated): 1992 = 0.06
Cumulative vintage bonus: 0.122
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 3 = 0.13
Propeller type : no propeller = 0
Winches ? : with = 0

Correction factor (C)= 1.569

BERMUDIANS
Max foresail area: 11.86 mē
GenoaJL = 7.10 ; LPG = 3.20

BERMUDIANS
Main total area: 22.17 mē
Mainsail P = 10.42 ; E = 3.70

Larger downwindsail area:
SL / ALE = 9.60, SL / ALU = 9.60,
SMG / AMG = 6.50, SF / ASF = 6.40
Area: 51.84 mē

RATING ( Rc ): 10.6357

Time corrected Factor ( Ftc ): 0.9887

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 :

06 09 2017

JCH commission member :

Olivier Beau

Certificate number :

2017092093