RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)

YACHT DESCRIPTION

Name of Yacht: BRANDY Photo...
Request date : 19 07 2018
Launch year :2015
Designer : JOHN WELSFORD
Design year : 2000
Class name : NAVIGATOR
Usual place of sailing : CADIZ

Declared dimensions :
Lenght Over All (LH) = 4.57 m
Length on the Water Line (LWL) = 4.20 m
Max width ( Bo ) = 1.95 m
Draft (Tmax) = 0.30 m
Displacement factor (FD) = 0.405


Correction factor calculation

Type of rigging : gaffer ketch = 0.85
Hull: centerboarder
C2 = 0.17 Kref = 0.17
C2a : -0.303
Regatta series : yes = 0.3
Vintage bonus (build): 2015 = 0.094
Vintage bonus (design): 2000 = 0.072
Cumulative vintage bonus: 0.166
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
Material of mast or boom different from original : no = 0
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : no propeller = 0
Winches ? : without = -0.05

Correction factor (C)= 1.103

GAFFERS
Foresail area: 3.22 mē
StaysailJL = 3.52 ; LPG = 1.75

GAFFERS
Main total area: 9.68 mē
Gaffer Mainsail
A = 5.10, B = 2.95,
C = 2.00, D = 3.51, E = 2.87
With Mizzen or Jigger sail
A = 3.15, B = 0.00, C = 2.85, D = 3.15, E = 1.25

No downwindsail

RATING ( Rc ): 3.8679

Time corrected Factor ( Ftc ): 0.7171

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.

IMPORTANT :
Handicap is calculated according to JCH calculation rules with your own measurements.
You are not allowed to use until it has been validated by a member of the JCH committee.