RATING CERTIFICATE
Sail number : 1326

YACHT DESCRIPTION

Name of Yacht: Ondine of Dorset
Request date : 01 07 2015
Launch year :1970
Designer : Kim Holman
Design year : 1963
Builder : Uphams
Class name : Twister
Usual place of sailing : Poole

Declared dimensions :
Lenght Over All (LH) = 8.43 m
Length on the Water Line (LWL) = 6.36 m
Max width ( Bo ) = 2.44 m
Draft (Tmax) = 1.52 m
Displacement factor (FD) = 3.276


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : 0.073
Regatta series : no = 0
Vintage bonus (build): 1970 = 0.03
Vintage bonus (design): 1963 = 0.021
Cumulative vintage bonus: 0.051
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 2 = 0
Propeller type : 2 fix blades = -0.1
Winches ? : with = 0

Correction factor (C)= 1.074

BERMUDIANS
Max foresail area: 18.45 m²
GenoaJL = 9.45 ; LPG = 3.74

BERMUDIANS
Main total area: 16.74 m²
Mainsail P = 8.69 ; E = 3.35

Larger downwindsail area:
SL / ALE = 9.30, SL / ALU = 9.30,
SMG / AMG = 5.30, SF / ASF = 5.00
Area: 40.61 m²

RATING ( Rc ): 5.6277

Time corrected Factor ( Ftc ): 0.8022

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 :

09 07 2015

JCH commission member :

François Séruzier

Certificate number :

2015071456