RATING CERTIFICATE
Sail number : 17

YACHT DESCRIPTION

Name of Yacht: Mehalah Photo...
Request date : 22 03 2017
Launch year :1888
Designer : John Howard
Builder : Howard/Maldon Essax
Usual place of sailing : Bordeaux

Declared dimensions :
Lenght Over All (LH) = 8.25 m
Length on the Water Line (LWL) = 6.50 m
Max width ( Bo ) = 2.26 m
Draft (Tmax) = 2.10 m
Displacement factor (FD) = 3.77


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: ballasted centerboarder
C2 = 0 Kref = 0.215
C2a : 0.23
Regatta series : no = 0
Vintage bonus (build): 1888 = -0.062
Vintage bonus (estimated): 1887 = -0.063
Cumulative vintage bonus: -0.125
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 : 2 fix blades = -0.1
Winches ? : without = -0.05

Correction factor (C)= 0.905

GAFFERS
Foresail area: 15.37 mē
StaysailJL = 5.78 ; LPG = 2.31
JibJL = 7.28 ; LPG = 2.21

GAFFERS
Main total area: 28.86 mē
Gaffer Mainsail
A = 9.33, B = 4.35,
C = 4.92, D = 7.24, E = 5.54
With Gaff topsail
F = 5.29, G = 1.62, H = 5.54

Larger downwindsail area:
SL / ALE = 6.56, SL / ALU = 7.08,
SMG / AMG = 3.55, SF / ASF = 4.20
Area: 20.91 mē

RATING ( Rc ): 4.9647

Time corrected Factor ( Ftc ): 0.772

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 :

22 03 2017

JCH commission member :

Olivier Beau

Certificate number :

2017031850