RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)

YACHT DESCRIPTION

Name of Yacht: OSPREY Photo...
Request date : 14 05 2018
Launch year :1898
Designer : Alfred MYLNE
Builder : STEVENS
Usual place of sailing : LA ROCHELLE

Declared dimensions :
Lenght Over All (LH) = 7.51 m
Length on the Water Line (LWL) = 5.03 m
Max width ( Bo ) = 1.60 m
Draft (Tmax) = 0.84 m
Displacement factor (FD) = 1.021


Correction factor calculation

Type of rigging : sloop gaffer = 0.98
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : -0.143
Regatta series : no = 0
Vintage bonus (build): 1898 = -0.052
Vintage bonus (estimated): 1897 = -0.053
Cumulative vintage bonus: -0.105
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)= 0.652

GAFFERS
Foresail area: 4.47 mē
JibJL = 4.51 ; LPG = 1.90

GAFFERS
Main total area: 18.86 mē
Gaffer Mainsail
A = 7.46, B = 3.14,
C = 3.26, D = 6.31, E = 5.57

No downwindsail

RATING ( Rc ): 3.1416

Time corrected Factor ( Ftc ): 0.6764

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.

IMPORTANT :
Handicap is calculated according to JCH calculation rules with your own measurements.
You are not allowed to use until it has been validated by a member of the JCH committee.