RATING CERTIFICATE
Sail number : gbr620r

YACHT DESCRIPTION

Name of Yacht: Gulvain Photo 1 - Photo 2...
Request date : 2019-04-29
Launch year :1949
Designer : Laurent Giles
Design year : 1949
Builder : shoreham shipyard
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 (BH) = 3.57 m
Draft (TE) = 2.67 m
Displacement factor (FD) = 22.756


Correction factor calculation

Type of rigging : bermudian cutter = 1
Hull: classic 1
C2 = -0.03 Kref = 0.171
C2a : 0.066
Performance group : (2)Ocean racer = 0.07
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
No mast change = 0
No spar change = 0
Sails material : type 3 = 0.06
Propeller type : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 1.184

BERMUDIANS
Max foresail area: 100.27 mē
Genoa HLU = 21.04 ; HLP = 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,
SHW / AMG = 11.95, SFL / SF = 12.18
Area: 216.43 mē

RATING ( Rc ): 15.4328

Time corrected Factor ( Ftc ): 1.0997

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 :

2019-04-30

JCH commission member :

Costalas Peter

Certificate number :

4-309-2708