RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)
Sail number : 108

YACHT DESCRIPTION

Name of Yacht: Kanthaka Photo 1 - Photo 2...
Request date : 2020-01-11
Launch year :1972
Designer : Eugène Cornu
Design year : 1967
Builder : Pichavant
Usual place of sailing : Bretagne Sud

Declared dimensions :
Lenght Over All (LH) = 12.45 m
Length on the Water Line (LWL) = 8.90 m
Max width (BH) = 3.50 m
Draft (TE) = 1.55 m
Displacement factor (FD) = 9.511

Correction factor calculation

Type of rig : bermudian ketch = 0.98
Hull: classic 1
C2 = -0.03 Kref = 0.171
C2a : 0.006
Performance group : Performance class 4 = -0.05
Vintage bonus (build): 1972 = 0.033
Vintage bonus (design): 1967 = 0.026
Cumulative vintage bonus: 0.059
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 : tripale = -0.14
Winches ? : with = 0

Correction factor (C)= 0.803
BERMUDIANS
Max foresail area: 51.03 m²
Jib or staysail HLU = 9.40 ; HLP = 2.90
Yankee HLU = 13.30 ; HLP = 5.30

BERMUDIANS
Main total area: 43.19 m²
Mainsail P = 12.60 ; E = 4.20
Mizzen or Jigger sail P = 7.40 ; E = 3.00

Larger downwindsail area:
SL / ALE = 13.20, SL / ALU = 13.20,
SHW / AMG = 8.08, SFL / ASF = 7.25
Area: 87.05 m²

Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 6.9624

Time corrected Factor ( Ftc ): 0.8475

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.

IMPORTANT :
Handicap is calculated according to JCH calculation rules with your own measurements.
You are not allowed to use until it has been validated by a member of the JCH committee.