RATING CERTIFICATE
Sail number : 4782T

YACHT DESCRIPTION

Name of Yacht: Nirvana Photo...
Request date : 29 06 2015
Launch year :1993
Designer : Kim Holman
Design year : 1963
Builder : Tylers
Class name : Twister
Usual place of sailing : Mylor

Declared dimensions :
Lenght Over All (LH) = 8.61 m
Length on the Water Line (LWL) = 6.55 m
Max width ( Bo ) = 2.46 m
Draft (Tmax) = 1.52 m
Displacement factor (FD) = 3.436


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : 0.057
Regatta series : no = 0
Vintage bonus (build): 1993 = 0.062
Vintage bonus (design): 1963 = 0.021
Cumulative vintage bonus: 0.083
Hull material : other = 0.05
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 3 = 0.11
Propeller type : 2 fix blades = -0.1
Winches ? : with = 0

Correction factor (C)= 1.2

BERMUDIANS
Max foresail area: 22.25 m²
GenoaJL = 9.60 ; LPG = 4.44

BERMUDIANS
Main total area: 16.72 m²
Mainsail P = 8.68 ; E = 3.35

Larger downwindsail area:
SL / ALE = 10.36, SL / ALU = 10.28,
SMG / AMG = 6.10, SF / ASF = 5.85
Area: 52.03 m²

RATING ( Rc ): 6.7945

Time corrected Factor ( Ftc ): 0.8514

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 :

2015071447