RATING CERTIFICATE
Sail number : FRA 39747

YACHT DESCRIPTION

Name of Yacht: SHAMROCK
Request date : 01 08 2017
Launch year :1975
Designer : Michel DUFOUR
Design year : 1967
Builder : Stratifiť Industriel
Class name : ARPEGE
Usual place of sailing : MER d IROISE (Brest)

Declared dimensions :
Lenght Over All (LH) = 9.25 m
Length on the Water Line (LWL) = 6.70 m
Max width ( Bo ) = 3.00 m
Draft (Tmax) = 1.35 m
Displacement factor (FD) = 3.82


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: modern
C2 = 0.1 Kref = 0.21
C2a : -0.105
Regatta series : no = 0
Vintage bonus (build): 1975 = 0.037
Vintage bonus (design): 1967 = 0.026
Cumulative vintage bonus: 0.063
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)= 0.948

BERMUDIANS
Max foresail area: 30.72 m≤
GenoaJL = 10.80 ; LPG = 5.45

BERMUDIANS
Main total area: 17.3 m≤
Mainsail P = 9.55 ; E = 3.15

Larger downwindsail area:
SL / ALE = 11.35, SL / ALU = 11.35,
SMG / AMG = 6.54, SF / ASF = 6.00
Area: 60.84 m≤

RATING ( Rc ): 5.9179

Time corrected Factor ( Ftc ): 0.8149

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 :

04 08 2017

JCH commission member :

Olivier Beau

Certificate number :

2017082033