RATING CERTIFICATE
Sail number : (NONE)

YACHT DESCRIPTION

Name of Yacht: GIRALDA Photo 1 - Photo 2...
Request date : 2019-06-24
Launch year :1958
Designer : W. MACPHERSON CAMBELL
Design year : 1957
Builder : MORRIS & LORIMER LTD. SANDBANK ARGYLL (U.K.)
Class name : Kettcher
Usual place of sailing : Pontevedra Fjord. Galicia(Spain)

Declared dimensions :
Lenght Over All (LH) = 22.86 m
Length on the Water Line (LWL) = 19.81 m
Max width (BH) = 5.64 m
Draft (TE) = 3.05 m
Displacement factor (FD) = 75.056


Correction factor calculation

Type of rigging : bermudian ketch = 0.98
Hull: classic 1
C2 = -0.03 Kref = 0.171
C2a : -0.034
Performance group : Cruiser = -0.14
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
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.573

BERMUDIANS
Max foresail area: 94.77 m˛
Jib or staysail HLU = 13.60 ; HLP = 6.20
Yankee HLU = 14.30 ; HLP = 6.80

BERMUDIANS
Main total area: 131.47 m˛
Mainsail P = 19.90 ; E = 8.30
Mizzen or Jigger sail P = 13.80 ; E = 4.60

Larger downwindsail area:
SL / ALE = 19.80, SL / ALU = 18.20,
SHW / AMG = 8.20, SFL / SF = 9.80
Area: 134.9 m˛

RATING ( Rc ): 7.5633

Time corrected Factor ( Ftc ): 0.8766

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 :

2019-06-24

JCH commission member :

Luis Tourón-Figueroa

Certificate number :

6-249-2951