RATING CERTIFICATE
Sail number : FRA 4497

YACHT DESCRIPTION

Name of Yacht: OLBIA
Request date : 06 07 2011
Launch year :1971
Designer : Olin Stephens
Design year : 1967
Builder : Aquafibre (UK)
Class name : S&S 34
Usual place of sailing : Atlantique

Declared dimensions :
Lenght Over All (LH) = 10.18 m
Length on the Water Line (LWL) = 7.93 m
Max width ( Bo ) = 3.07 m
Draft (Tmax) = 1.89 m
Displacement factor (FD) = 6.765
Rating IOR : 21.7 feet


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 3
C2 = 0.04 Kref = 0.2
C2a : 0.042
Regatta series : no = 0
Vintage bonus (build): 1971 = 0.031
Vintage bonus (design): 1967 = 0.026
Cumulative vintage bonus: 0.057
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 : folding or feathering = -0.04
Winches ? : with = 0

Correction factor (C)= 1.149

BERMUDIANS
Max foresail area: 34.81 m²
GenoaJL = 11.68 ; LPG = 5.71

BERMUDIANS
Main total area: 21 m²
Mainsail P = 10.90 ; E = 3.35

Larger downwindsail area:
SL / ALE = 12.14, SL / ALU = 12.11,
SMG / AMG = 7.03, SF / ASF = 7.04
Area: 71.05 m²

RATING ( Rc ): 7.3484

Time corrected Factor ( Ftc ): 0.8732

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 :

YCC

Date of certificate :

06 07 2011

JCH commission member :

François Frey

Certificate number :

201107582