RATING CERTIFICATE
Sail number : GBR1678R

YACHT DESCRIPTION

Name of Yacht: Chamois
Request date : 18 02 2017
Launch year :1963
Designer : Illingworth
Design year : 1961
Builder : CMN
Class name : Maica
Usual place of sailing : Suffolk

Declared dimensions :
Lenght Over All (LOA) = 11.06 m
Length on the Water Line ( LWL ) = 7.47 m
Max width ( Bo ) = 2.74 m
Draft (Tmax) = 1.78 m
Displacement factor (FD) = 5.42


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0.08 Kref = 0.187
C2a : 0.064
Regatta series : no = 0
Vintage bonus (build): 1963 = 0.021
Vintage bonus (design): 1961 = 0.018
Cumulative vintage bonus: 0.039
Hull material : moulded wood = 0.02
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 : yes = 0.02
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : folding or feathering = -0.03
Winches ? : with = 0

Correction factor (C)= 1.193

BERMUDIANS
Max foresail area: 29.37 mē
GenoaJL = 10.42 ; LPG = 5.40

BERMUDIANS
Main total area: 30.87 mē
Mainsail P = 12.20 ; E = 4.40

Larger downwindsail area:
SL / ALE = 9.82, SL / ALU = 11.51,
SMG / AMG = 5.65, SF / ASF = 6.50
Area: 51.73 mē

RATING ( Rc ): 7.959

Time corrected Factor ( Ftc ): 0.8945

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 :

18 02 2017

JCH commission member :

Costalas Peter

Certificate number :

2017021830