RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: Johanna Lucretia
Request date : 12 07 2010
Launch year :1945
Builder : Rhoos, Ghent
Usual place of sailing : Northan Europe

Declared dimensions :
Lenght Over All (LH) = 20.00 m
Length on the Water Line (LWL) = 17.26 m
Max width ( Bo ) = 5.50 m
Draft (Tmax) = 2.85 m
Displacement factor (FD) = 43.775


Correction factor calculation

Type of rigging : topsail schooner = 0.85
Hull: traditional
C2 = -0.07 Kref = 0.17
C2a : -0.044
Regatta series : no = 0
Vintage bonus (build): 1945 = -0.005
Vintage bonus (estimated): 1944 = -0.006
Cumulative vintage bonus: -0.011
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 : 3 fix blades = -0.16
Winches ? : without = -0.05

Correction factor (C)= 0.485

GAFFERS
Foresail area: 59.83 mē
StaysailJL = 10.15 ; LPG = 4.95
JibJL = 15.70 ; LPG = 4.10

GAFFERS
Main total area: 127.83 mē
Gaffer Mainsail
A = 14.30, B = 8.15,
C = 8.95, D = 11.40, E = 8.15
With Mizzen or Jigger sail
A = 10.80, B = 5.90, C = 7.20, D = 8.70, E = 5.45
With Gaff topsail
F = 7.90, G = 7.20, H = 11.30

Larger downwindsail area:
SL / ALE = 5.00, SL / ALU = 5.00,
SMG / AMG = 6.70, SF / ASF = 6.70
Area: 27.92 mē

RATING ( Rc ): 6.1214

Time corrected Factor ( Ftc ): 0.8236

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 :

YCC

Date of certificate :

12 07 2010

JCH commission member :

Bertrand KERRAND

Certificate number :

201007333