RATING CERTIFICATE
Sail number : K234

YACHT DESCRIPTION

Name of Yacht: Grey Seal Photo 1 - Photo 2...
Request date : 2022-02-15
Launch year :1938
Designer : Rodney Paul
Design year : 1936
Builder : Berthons
Usual place of sailing : East Coast Suffolk

Declared dimensions :
Lenght Over All (LH) = 11.15 m
Length on the Water Line (LWL) = 9.30 m
Max width (BH) = 2.90 m
Draft (TE) = 1.70 m
Displacement factor (FD) = 7.865
Rating RORC 1957 : 6.8 m

Correction factor calculation

Type of rig : bermudian cutter = 1
Hull: classic 1
C2 = -0.03 Kref = 0.171
C2a : 0.024
Performance group : Performance class 3 = 0
Vintage bonus (build): 1938 = -0.012
Vintage bonus (design): 1936 = -0.014
Cumulative vintage bonus: -0.026
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.14
Winches ? : with = 0

Correction factor (C)= 0.807
BERMUDIANS
Max foresail area: 30.57 m²
Genoa HLU = 9.60 ; HLP = 6.10

BERMUDIANS
Main total area: 37.53 m²
Mainsail P = 11.89 ; E = 5.49

No downwindsail

RATING ( Rc ): 5.7484

Time corrected Factor ( Ftc ): 0.8019

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 :

2022-05-02

JCH commission member :

Roger Martin Jarrett

Certificate number :

5-022-3487