RATING CERTIFICATE
Sail number : GBR 3986L

YACHT DESCRIPTION

Name of Yacht: Signy
Request date : 30 06 2015
Launch year :1986
Designer : Holman
Design year : 1963
Builder : Tyler
Class name : Twister
Usual place of sailing : Devon, UK

Declared dimensions :
Lenght Over All (LH) = 8.61 m
Length on the Water Line (LWL) = 6.55 m
Max width ( Bo ) = 2.46 m
Draft (Tmax) = 1.52 m
Displacement factor (FD) = 3.436


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : 0.057
Regatta series : no = 0
Vintage bonus (build): 1986 = 0.052
Vintage bonus (design): 1963 = 0.021
Cumulative vintage bonus: 0.073
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 : 3 fix blades = -0.16
Winches ? : with = 0

Correction factor (C)= 1.02

BERMUDIANS
Max foresail area: 23.77 m²
GenoaJL = 9.75 ; LPG = 4.67

BERMUDIANS
Main total area: 16.74 m²
Mainsail P = 8.69 ; E = 3.35

Larger downwindsail area:
SL / ALE = 10.31, SL / ALU = 10.31,
SMG / AMG = 4.88, SF / ASF = 5.94
Area: 43.75 m²

RATING ( Rc ): 5.6905

Time corrected Factor ( Ftc ): 0.805

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 07 2015

JCH commission member :

François Séruzier

Certificate number :

2015071454