RATING CERTIFICATE
Sail number : 1

YACHT DESCRIPTION

Name of Yacht: Nai Photo...
Request date : 03 07 2014
Launch year :1994
Designer : no
Design year : 1950
Builder : Hermanos Ayaso
Class name : Dorna Nai
Usual place of sailing : Galicia Rias Baixas

Declared dimensions :
Lenght Over All (LH) = 7.50 m
Length on the Water Line (LWL) = 6.55 m
Max width ( Bo ) = 2.50 m
Draft (Tmax) = 1.06 m
Displacement factor (FD) = 2.614


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: traditional
C2 = -0.07 Kref = 0.17
C2a : -0.051
Regatta series : no = 0
Vintage bonus (build): 1994 = 0.063
Vintage bonus (design): 1950 = 0
Cumulative vintage bonus: 0.063
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 : no propeller = 0
Winches ? : without = -0.05

Correction factor (C)= 0.842

GAFFERS
Foresail area: 9.91 m²
JibJL = 7.30 ; LPG = 2.60

GAFFERS
Main total area: 28 m²
Gaffer Mainsail
A = 4.70, B = 8.95,
C = 5.00, D = 6.90, E = 4.80

Larger downwindsail area:
SL / ALE = 6.90, SL / ALU = 7.60,
SMG / AMG = 3.80, SF / ASF = 4.70
Area: 24.05 m²

RATING ( Rc ): 4.5974

Time corrected Factor ( Ftc ): 0.7543

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 :

02 07 2015

JCH commission member :

François Séruzier

Certificate number :

2015071184