RATING CERTIFICATE
Sail number : K17

YACHT DESCRIPTION

Name of Yacht: SCEPTRE Photo 1 - Photo 2...
Request date : 2019-06-05
Launch year :1958
Designer : David Boyd
Design year : 1957
Builder : Robertsons
Class name : International 12 Metre
Usual place of sailing : UK

Declared dimensions :
Lenght Over All (LH) = 20.97 m
Length on the Water Line (LWL) = 15.57 m
Max width (BH) = 3.62 m
Draft (TE) = 2.99 m
Displacement factor (FD) = 34.43


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.026
Performance group : Ocean racer = 0.07
Vintage bonus (build): 1958 = 0.014
Vintage bonus (design): 1957 = 0.013
Cumulative vintage bonus: 0.027
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
No mast change = 0
Year of spar change : 2004 = 0.008
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.871

BERMUDIANS
Max foresail area: 80.05 mē
Genoa HLU = 18.52 ; HLP = 8.28

BERMUDIANS
Main total area: 115.39 mē
Mainsail P = 23.20 ; E = 8.65

No downwindsail

RATING ( Rc ): 11.5334

Time corrected Factor ( Ftc ): 0.9989

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 :

6-059-2855