RATING CERTIFICATE
Sail number : 9

YACHT DESCRIPTION

Name of Yacht: Ripple Photo...
Request date : 10 07 2015
Launch year :1902
Designer : Charles Sibbick
Design year : 1902
Builder : Charles Sibbick
Usual place of sailing : Dartmouth

Declared dimensions :
Lenght Over All (LH) = 7.37 m
Length on the Water Line (LWL) = 6.52 m
Max width ( Bo ) = 2.20 m
Draft (Tmax) = 1.35 m
Displacement factor (FD) = 2.495


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: ballasted centerboarder
C2 = 0 Kref = 0.215
C2a : -0.055
Regatta series : no = 0
Vintage bonus (build): 1902 = -0.048
Vintage bonus (design): 1902 = -0.048
Cumulative vintage bonus: -0.096
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 ? : with = 0

Correction factor (C)= 0.799

GAFFERS
Foresail area: 14.78 m²
StaysailJL = 5.49 ; LPG = 2.90
JibJL = 7.00 ; LPG = 1.77

GAFFERS
Main total area: 24.75 m²
Gaffer Mainsail
A = 7.67, B = 3.63,
C = 4.40, D = 6.76, E = 5.72
With Gaff topsail
F = 4.70, G = 1.74, H = 4.46

Larger downwindsail area:
SL / ALE = 7.68, SL / ALU = 7.39,
SMG / AMG = 3.99, SF / ASF = 6.52
Area: 28.23 m²

RATING ( Rc ): 4.6554

Time corrected Factor ( Ftc ): 0.7572

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 :

10 07 2015

JCH commission member :

François Séruzier

Certificate number :

2015071477