RATING CERTIFICATE
Sail number : 1202

YACHT DESCRIPTION

Name of Yacht: MARY BOON Photo 1 - Photo 2...
Request date : 2023-05-17
Launch year :1973
Designer : David Sadler
Design year : 1964
Builder : Jeremy Rogers
Class name : Contessa 26
Usual place of sailing : Falmouth

Declared dimensions :
Lenght Over All (LH) = 7.77 m
Length on the Water Line (LWL) = 6.10 m
Max width (BH) = 2.29 m
Draft (TE) = 1.22 m
Displacement factor (FD) = 2.58

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a = 0.042
Performance group : Performance class 3 = 0
Vintage bonus (build): 1973 = 0.034
Vintage bonus (design): 1964 = 0.022
Cumulative vintage bonus: 0.056
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
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : bipale_axe = -0.05
Winches ? : with = 0

Correction factor (C)= 1.066
BERMUDIANS
Max foresail area: 17.14 m²
Genoa HLU = 8.25 ; HLP = 3.98

BERMUDIANS
Main total area: 11.33 m²
Mainsail P = 7.30 ; E = 2.70

Larger downwindsail area:
SL / ALE = 8.60, SL / ALU = 8.60,
SHW / AMG = 5.30, SFL / ASF = 4.95
Area: 37.48 m²

Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NO

RATING ( Rc ): 5.2824

Time corrected Factor ( Ftc ): 0.7831

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 :

2023-05-19

JCH commission member :

Costalas Peter

Certificate number :

5-193-3789