RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)
Sail number : 37

YACHT DESCRIPTION

Name of Yacht: LADY JANE Photo 1 - Photo 2...
Request date : 2023-07-29
Launch year :1997
Designer : Sibiril
Design year : 1935
Builder : Billie Marine
Class name : Billie Jane
Usual place of sailing : baie de Douarnenez

Declared dimensions :
Lenght Over All (LH) = 5.25 m
Length on the Water Line (LWL) = 5.08 m
Max width (BH) = 1.94 m
Draft (TE) = 0.98 m
Displacement factor (FD) = 1.236

Correction factor calculation

Type of rig : gaffer cutter = 0.88
Hull: traditional
C2 = -0.086 Kref = 0.16
C2a = 0.066
Performance group : Performance class 1 = 0.36
Vintage bonus (build): 1997 = 0.068
Vintage bonus (design): 1935 = -0.015
Cumulative vintage bonus: 0.053
Hull material : other = 0.05
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
Year of mast change : 2023 = 0.02
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.14
Winches ? : without = -0.05

Correction factor (C)= 1.08
GAFFERS
Foresail area: 13.32 m²
Staysail HLU = 4.05 ; HLP = 2.20
Jib HLU = 6.15 ; HLP = 2.70

GAFFERS
Main total area: 18.21 m²
Gaffer Mainsail
MAE = 6.05, MAH = 3.40,
MAU = 4.10, MAD = 6.00, MAF = 4.10
With Gaff topsail
FE = 3.37, FU = 2.60, FF = 4.65

No downwindsail

RATING ( Rc ): 5.1871

Time corrected Factor ( Ftc ): 0.7791

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.