RATING CERTIFICATE
Sail number : gbr620r

YACHT DESCRIPTION

Name of Yacht: Gulvain Photo...
Request date : 19 05 2017
Launch year :1949
Designer : Laurent Giles
Design year : 1949
Builder : shoreham shipyard
Class name : ocean racer
Usual place of sailing : east Coast

Declared dimensions :
Lenght Over All (LH) = 16.76 m
Length on the Water Line (LWL) = 13.10 m
Max width ( Bo ) = 3.57 m
Draft (Tmax) = 2.67 m
Displacement factor (FD) = 21.708


Correction factor calculation

Type of rigging : bermudian cutter = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : -0.011
Regatta series : no = 0
Vintage bonus (build): 1949 = -0.001
Vintage bonus (design): 1949 = -0.001
Cumulative vintage bonus: -0.002
Hull material : aluminium = 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 : yes = 0.02
Sails material : type 3 = 0.36
Propeller type : folding or feathering = -0.04
Winches ? : with = 0

Correction factor (C)= 1.377

BERMUDIANS
Max foresail area: 100.27 mē
GenoaJL = 21.04 ; LPG = 9.13

BERMUDIANS
Main total area: 80.81 mē
Mainsail P = 19.20 ; E = 7.32

Larger downwindsail area:
SL / ALE = 21.65, SL / ALU = 21.65,
SMG / AMG = 11.95, SF / ASF = 12.18
Area: 216.43 mē

RATING ( Rc ): 17.7883

Time corrected Factor ( Ftc ): 1.1894

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 :

19 05 2017

JCH commission member :

Costalas Peter

Certificate number :

2017051926