RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: coch y bondhu
Request date : 10 08 2018
Launch year :1936
Designer : Paul Rodny
Builder : Berthon england

Declared dimensions :
Lenght Over All (LH) = 15.15 m
Length on the Water Line (LWL) = 12.60 m
Max width ( Bo ) = 3.34 m
Draft (Tmax) = 2.27 m
Displacement factor (FD) = 16.232


Correction factor calculation

Type of rigging : bermudian ketch = 0.98
Hull: classic 1
C2 = -0.02 Kref = 0.185
C2a : -0.055
Regatta series : no = 0
Vintage bonus (build): 1936 = -0.014
Vintage bonus (estimated): 1935 = -0.015
Cumulative vintage bonus: -0.029
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
Material of mast or boom different from original : no = 0
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : folding or feathering = -0.04
Winches ? : with = 0

Correction factor (C)= 0.806

BERMUDIANS
Max foresail area: 62.23 mē
GenoaJL = 14.70 ; LPG = 8.11

BERMUDIANS
Main total area: 54.58 mē
Mainsail P = 13.55 ; E = 5.40
With Mizzen or Jigger sail P = 7.55 ; E = 2.88

Larger downwindsail area:
SL / ALE = 14.00, SL / ALU = 15.70,
SMG / AMG = 9.40, SF / ASF = 9.50
Area: 116.57 mē

RATING ( Rc ): 8.4148

Time corrected Factor ( Ftc ): 0.9131

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 :

10 08 2018

JCH commission member :

Olivier Beau

Certificate number :

2018082399