RATING CERTIFICATE
Sail number : 223

YACHT DESCRIPTION
Name of Yacht: CYNTHIA Photo 1 - Photo 2... Request date : 2019-06-30 Launch year :1910 Designer : Thomas Jackett Design year : 1909 Builder : Thomas Jackett Class name : Old Gaffer Usual place of sailing : Dartmouth	Declared dimensions : Lenght Over All (L_H) = 15.24 m Length on the Water Line (L_WL) = 10.97 m Max width (B_H) = 2.74 m Draft (TE) = 2.13 m Displacement factor (FD) = 11.271
Correction factor calculation Type of rig : gaffer cutter = 0.88 Hull: classic 2 C2 = -0.03 Kref = 0.179 C2a = 0.03 Performance group : Performance class 3 = 0 Vintage bonus (build): 1910 = -0.04 Vintage bonus (design): 1909 = -0.041 Cumulative vintage bonus: -0.081 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 Year of mast change : 2018 = 0.019 Year of spar change : 2018 = 0.009 Sails material : type 2 = 0 Propeller type : orientable ou repliable = -0.03 Winches ? : with = 0 Correction factor (C)= 0.782	GAFFERS Foresail area: 37.94 m² Staysail HLU = 8.53 ; HLP = 3.96 Jib HLU = 12.80 ; HLP = 3.04 GAFFERS Main total area: 57.44 m² Gaffer Mainsail MAE = 11.27, MAH = 5.39, MAU = 7.49, MAD = 10.36, MAF = 7.95 Larger downwindsail area: SL / ALE = 14.00, SL / ALU = 16.00, SHW / AMG = 9.66, SFL / ASF = 8.37 Area: 117.53 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 8.3244

Time corrected Factor ( Ftc ): 0.8942

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 :

2019-06-30

JCH commission member :

Costalas Peter

Certificate number :

6-309-2971