RATING CERTIFICATE
Sail number : 184

YACHT DESCRIPTION
Name of Yacht: ERIDAN Photo 1 - Photo 2... Request date : 2025-05-22 Launch year :1979 Designer : R. Dongay Design year : 1974 Builder : Cornish crabber Class name : Cornish Crabber 24 MK1/2 Usual place of sailing : Saint Briac	Declared dimensions : Lenght Over All (L_H) = 7.31 m Length on the Water Line (L_WL) = 6.17 m Max width (B_H) = 2.44 m TE Centerboard down = 1.42 m TE centerboard up = 0.74 m Displacement factor (FD) = 1.907
Correction factor calculation Type of rig : gaffer cutter = 0.88 Hull: ballasted centerboarder C2 = -0.1 Kref = 0.211 C2a = 0.038 Performance group : Performance class 4 = -0.05 Vintage bonus (build): 1979 = 0.042 Vintage bonus (design): 1974 = 0.036 Cumulative vintage bonus: 0.078 Hull material : other = 0.05 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 = -0.08 Winches ? : with = 0 Correction factor (C)= 0.817	GAFFERS Foresail area: 16.38 m² Staysail HLU = 4.59 ; HLP = 2.35 Jib HLU = 7.86 ; HLP = 2.62 GAFFERS Main total area: 14.8 m² Gaffer Mainsail MAE = 6.00, MAH = 2.90, MAU = 3.60, MAD = 5.15, MAF = 4.10 With Gaff topsail FE = 3.86, FU = 1.89, FF = 4.84 No downwindsail

RATING ( Rc ): 4.3532

Time corrected Factor ( Ftc ): 0.743

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 :

2025-05-23

JCH commission member :

Olivier Beau

Certificate number :

5-235-4295