RATING CERTIFICATE
Sail number : 7

YACHT DESCRIPTION

Name of Yacht: Bristol 1
Request date : 10 06 2014
Launch year :1961
Designer : Jack Holt
Design year : 1960
Builder : British Aeroplane Plastics Ltd
Class name : YW Diamond
Usual place of sailing : Dartmouth Devon England

Declared dimensions :
Lenght Over All (LOA) = 9.10 m
Length on the Water Line ( LWL ) = 7.30 m
Max width ( Bo ) = 2.00 m
Draft (Tmax) = 1.30 m
Displacement factor (FD) = 2.441


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: modern
C2 = 0.15 Kref = 0.21
C2a : -0.133
Regatta series : yes = 0.3
Vintage bonus (build): 1961 = 0.018
Vintage bonus (design): 1960 = 0.017
Cumulative vintage bonus: 0.035
Hull material : other = 0.05
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 ? : with = 0

Correction factor (C)= 1.402

BERMUDIANS
Max foresail area: 14.48 m˛
GenoaJL = 7.30 ; LPG = 3.80

BERMUDIANS
Main total area: 16.4 m˛
Mainsail P = 8.15 ; E = 3.50

Larger downwindsail area:
SL / ALE = 9.30, SL / ALU = 9.30,
SMG / AMG = 2.70, SF / ASF = 2.70
Area: 20.93 m˛

RATING ( Rc ): 7.8198

Time corrected Factor ( Ftc ): 0.8907

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 :

11 02 2015

JCH commission member :

le comité de jauge

Certificate number :

2015021136