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 (L_H) = 11.15 m Length on the Water Line (L_WL) = 9.30 m Max width (B_H) = 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 ): 5.709

Time corrected Factor ( Ftc ): 0.8003

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