RATING CERTIFICATE
Sail number : FRA1953C

YACHT DESCRIPTION

Name of Yacht: KOTAYA Photo 1 - Photo 2...
Request date : 2019-05-03
Launch year :1953
Designer : Vernazza
Design year : 1953
Builder : Vernazza
Usual place of sailing : La Rochelle

Declared dimensions :
Lenght Over All (LH) = 6.50 m
Length on the Water Line (LWL) = 5.30 m
Max width (BH) = 2.30 m
Draft (TE) = 1.20 m
TEDB (Centerboarder) = 0.70 m
Displacement factor (FD) = 2.033


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: ballasted centerboarder
C2 = -0.2 Kref = 0.211
C2a : 0.031
Performance group : Cruiser Racer = 0
Vintage bonus (build): 1953 = 0.003
Vintage bonus (design): 1953 = 0.003
Cumulative vintage bonus: 0.006
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 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)= 0.837

BERMUDIANS
Max foresail area: 11.9 mē
Genoa HLU = 6.00 ; HLP = 3.80

BERMUDIANS
Main total area: 13.11 mē
Mainsail P = 7.60 ; E = 3.00

Larger downwindsail area:
SL / ALE = 6.10, SL / ALU = 6.20,
SHW / AMG = 2.43, SFL / SF = 4.90
Area: 14.99 mē

RATING ( Rc ): 3.316

Time corrected Factor ( Ftc ): 0.7007

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 :

2019-05-03

JCH commission member :

Olivier Beau

Certificate number :

5-039-2735