RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: Prawle Photo...
Request date : 31 05 2013
Launch year :1964
Designer : Edward Matthews
Builder : Old Mill Creek Boatyard
Class name : One-off
Usual place of sailing : Dartmouth

Declared dimensions :
Lenght Over All (LH) = 5.87 m
Length on the Water Line (LWL) = 5.16 m
Max width ( Bo ) = 2.13 m
Draft (Tmax) = 1.20 m
Displacement factor (FD) = 1.585


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: traditional
C2 = -0.07 Kref = 0.17
C2a : 0.151
Regatta series : no = 0
Vintage bonus (build): 1964 = 0.022
Vintage bonus (estimated): 1963 = 0.021
Cumulative vintage bonus: 0.043
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 : 2 fix blades = -0.1
Winches ? : without = -0.05

Correction factor (C)= 0.924

GAFFERS
Foresail area: 7.28 mē
StaysailJL = 4.42 ; LPG = 1.45
JibJL = 5.38 ; LPG = 1.40

GAFFERS
Main total area: 13.94 mē
Gaffer Mainsail
A = 5.44, B = 2.62,
C = 3.78, D = 4.97, E = 4.01
With Gaff topsail
F = 2.04, G = 2.04, H = 2.62

No downwindsail

RATING ( Rc ): 3.4747

Time corrected Factor ( Ftc ): 0.6956

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 :

31 05 2013

JCH commission member :

Olivier Beau

Certificate number :

201305929