RATING CERTIFICATE
Sail number : 2941

YACHT DESCRIPTION

Name of Yacht: JEMALDA Photo 1 - Photo 2...
Request date : 2019-05-30
Launch year :1971
Designer : Sparkman & Stephens
Design year : 1969
Builder : Aquafibre
Usual place of sailing : Falmouth

Declared dimensions :
Lenght Over All (LH) = 9.10 m
Length on the Water Line (LWL) = 6.40 m
Max width (BH) = 2.74 m
Draft (TE) = 1.65 m
Displacement factor (FD) = 3.458

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull:
C2 = Kref =
C2a = 0.516
Performance group : Performance class 3 = 0
Vintage bonus (build): 1971 = 0.031
Vintage bonus (design): 1969 = 0.029
Cumulative vintage bonus: 0.06
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 : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 1.636
BERMUDIANS
Max foresail area: 31.29 m²
Genoa HLU = 10.80 ; HLP = 5.55

BERMUDIANS
Main total area: 14.71 m²
Mainsail P = 9.37 ; E = 2.73

Larger downwindsail area:
SL / ALE = 10.70, SL / ALU = 10.70,
SHW / AMG = 6.00, SFL / ASF = 5.90
Area: 53.32 m²

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

RATING ( Rc ): 10.1373

Time corrected Factor ( Ftc ): 0.9507

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 :

2019-06-05

JCH commission member :

Costalas Peter

Certificate number :

6-059-2831