RATING CERTIFICATE
Sail number : f 2511

YACHT DESCRIPTION

Name of Yacht: ROWENA Photo 1 - Photo 2...
Request date : 2025-05-31
Launch year :1963
Designer : John Illingworth & Angus Primrose
Design year : 1959
Builder : CMN
Class name : Maica
Usual place of sailing : Atlantique

Declared dimensions :
Lenght Over All (LH) = 11.06 m
Length on the Water Line (LWL) = 7.50 m
Max width (BH) = 2.75 m
Draft (TE) = 1.78 m
Displacement factor (FD) = 5.99

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a = 0.117
Performance group : Performance class 3 = 0
Vintage bonus (build): 1963 = 0.021
Vintage bonus (design): 1959 = 0.016
Cumulative vintage bonus: 0.037
Hull material : moulded wood = 0.02
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 : 1971 = 0.004
Year of spar change : 1971 = 0.002
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.01
Winches ? : with = 0

Correction factor (C)= 1.145
BERMUDIANS
Max foresail area: 37.15 m²
Genoa HLU = 12.94 ; HLP = 5.50

BERMUDIANS
Main total area: 29.19 m²
Mainsail P = 11.86 ; E = 4.28

Larger downwindsail area:
SL / ALE = 12.57, SL / ALU = 12.57,
SHW / AMG = 7.82, SFL / ASF = 6.85
Area: 79.88 m²

Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NON

RATING ( Rc ): 8.6738

Time corrected Factor ( Ftc ): 0.9055

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.

the reported values for this boat have been verified on 05/03/2026 by Olivier Beau

Certification commission :

Conseil JCH

Date of certificate :

2025-05-31

JCH commission member :

Olivier Beau

Certificate number :

5-315-4305