RATING CERTIFICATE
Sail number : GBR3863L

YACHT DESCRIPTION

Name of Yacht: Becky Photo 1 - Photo 2...
Request date : 2021-03-04
Launch year :1977
Designer : E.G. Van De Stadt
Design year : 1970
Builder : Tyler
Class name : Seacracker
Usual place of sailing : Solent

Declared dimensions :
Lenght Over All (LH) = 10.00 m
Length on the Water Line (LWL) = 7.32 m
Max width (BH) = 2.80 m
Draft (TE) = 1.42 m
Displacement factor (FD) = 4.157

Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 3
C2 = -0.01 Kref = 0.188
C2a : 0.012
Performance group : Performance class 3 = 0
Vintage bonus (build): 1977 = 0.04
Vintage bonus (design): 1970 = 0.03
Cumulative vintage bonus: 0.07
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)= 1.092
BERMUDIANS
Max foresail area: 31.03 m²
Genoa HLU = 10.75 ; HLP = 5.53

BERMUDIANS
Main total area: 21.05 m²
Mainsail P = 9.76 ; E = 3.75

Larger downwindsail area:
SL / ALE = 9.93, SL / ALU = 9.22,
SHW / AMG = 6.50, SFL / ASF = 7.05
Area: 52.74 m²

RATING ( Rc ): 7.5385

Time corrected Factor ( Ftc ): 0.8677

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 :

2021-03-05

JCH commission member :

costalas peter

Certificate number :

3-051-3269