RATING CERTIFICATE
Sail number : 829Y

YACHT DESCRIPTION

Name of Yacht: CYCLONE Photo 1 - Photo 2...
Request date : 2022-05-21
Launch year :1969
Designer : C.R. Holman
Design year : 1963
Builder : Michael and Peter Jessup
Class name : TWISTER BOIS
Usual place of sailing : Pembroke

Declared dimensions :
Lenght Over All (LH) = 8.48 m
Length on the Water Line (LWL) = 6.40 m
Max width (BH) = 2.46 m
Draft (TE) = 1.60 m
Displacement factor (FD) = 4.031

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a = 0.142
Performance group : Performance class 3 = 0
Vintage bonus (build): 1969 = 0.029
Vintage bonus (design): 1963 = 0.021
Cumulative vintage bonus: 0.05
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
Year of mast change : 1992 = 0.01
Year of spar change : 1992 = 0.005
Sails material : type 2 = 0
Propeller type : tripale = -0.14
Winches ? : with = 0

Correction factor (C)= 0.989
BERMUDIANS
Max foresail area: 22.29 m²
Genoa HLU = 9.66 ; HLP = 4.42

BERMUDIANS
Main total area: 16.39 m²
Mainsail P = 8.69 ; E = 3.28

Larger downwindsail area:
SL / ALE = 9.75, SL / ALU = 9.75,
SHW / AMG = 5.65, SFL / ASF = 5.60
Area: 45.83 m²

Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NO

RATING ( Rc ): 5.2094

Time corrected Factor ( Ftc ): 0.7801

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 :

2022-05-23

JCH commission member :

Costalas Peter

Certificate number :

5-232-3561