RATING CERTIFICATE
Sail number : 29

YACHT DESCRIPTION

Name of Yacht: Drum of Drake
Request date : 07 06 2018
Launch year :1994
Designer : Daniel Bombigher
Design year : 1972
Builder : Brugge
Class name : Spountz 38/40
Usual place of sailing : Belgique

Declared dimensions :
Lenght Over All (LH) = 13.00 m
Length on the Water Line (LWL) = 11.00 m
Max width ( Bo ) = 4.30 m
Draft (Tmax) = 1.60 m
Displacement factor (FD) = 13.702


Correction factor calculation

Type of rigging : topsail schooner = 0.85
Hull: ballasted centerboarder
C2 = 0 Kref = 0.215
C2a : -0.238
Regatta series : no = 0
Vintage bonus (build): 1994 = 0.063
Vintage bonus (design): 1972 = 0.033
Cumulative vintage bonus: 0.096
Hull material : plywood = 0
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 : 3 fix blades = -0.16
Winches ? : with = 0

Correction factor (C)= 0.548

GAFFERS
Foresail area: 55.88 mē
StaysailJL = 8.48 ; LPG = 2.82
JibJL = 12.12 ; LPG = 6.86

Fisherman:
A = 4.80; B = 4.44; C = 7.71; D = 5.66; E = 4.44
Area: 22.73 mē
GAFFERS
Main total area: 55.22 mē
Gaffer Mainsail
A = 7.97, B = 3.33,
C = 8.86, D = 7.38, E = 5.25
With Mizzen or Jigger sail
A = 8.08, B = 3.23, C = 6.86, D = 6.98, E = 3.73
With Gaff topsail
F = 5.00, G = 2.42, H = 3.33

No downwindsail

RATING ( Rc ): 4.9096

Time corrected Factor ( Ftc ): 0.7694

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 :

07 06 2018

JCH commission member :

Olivier Beau

Certificate number :

2018062241