RATING CERTIFICATE
Sail number : 5.5 JI F25

YACHT DESCRIPTION
Name of Yacht: TWINS XII Photo 1 - Photo 2... Request date : 2019-05-05 Launch year :1962 Designer : Carl-Erik + Einar Ohlson (SWE) Builder : Hjalmar Olsson & David Olsson. Arendals båtvarv (S Usual place of sailing : Atlantique	Declared dimensions : Lenght Over All (L_H) = 9.71 m Length on the Water Line (L_WL) = 6.93 m Max width (B_H) = 1.92 m Draft (TE) = 1.35 m Displacement factor (FD) = 2.588
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: classic 2 C2 = -0.03 Kref = 0.179 C2a = 0.032 Performance group : Performance class 1 = 0.22 Vintage bonus (build): 1962 = 0.02 Vintage bonus (estimated): 1961 = 0.018 Cumulative vintage bonus: 0.038 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 : sans = 0.03 Winches ? : with = 0 Correction factor (C)= 1.267	BERMUDIANS Max foresail area: 11.6 m² (forewind battens penalty included) Genoa HLU = 7.76 ; HLP = 2.49 BERMUDIANS Main total area: 19.55 m² Mainsail P = 9.97 ; E = 3.41 Larger downwindsail area: SL / ALE = 9.83, SL / ALU = 9.83, SHW / AMG = 7.34, SFL / ASF = 6.59 Area: 58.9 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 8.6181

Time corrected Factor ( Ftc ): 0.9037

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 :

2019-05-05

JCH commission member :

Perrin Patrick

Certificate number :

5-059-2742