RATING CERTIFICATE
Sail number : 4889L

YACHT DESCRIPTION

Name of Yacht: VIVEZA Photo 1 - Photo 2...
Request date : 2019-04-28
Launch year :1974
Designer : C.R. Holman
Design year : 1963
Builder : Tyler - Home completion
Class name : TWISTER GRP
Usual place of sailing : The Solent

Declared dimensions :
Lenght Over All (LH) = 8.61 m
Length on the Water Line (LWL) = 6.55 m
Max width (BH) = 2.46 m
Draft (TE) = 1.52 m
Displacement factor (FD) = 3.908


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.106
Performance group : (3)Cruiser Racer = 0
Vintage bonus (build): 1974 = 0.036
Vintage bonus (design): 1963 = 0.021
Cumulative vintage bonus: 0.057
Hull material : other = 0.05
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
No mast change = 0
Year of spar change : 1996 = 0.006
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.989

BERMUDIANS
Max foresail area: 24.05 mē
Genoa HLU = 9.70 ; HLP = 4.75

BERMUDIANS
Main total area: 16.5 mē
Mainsail P = 8.72 ; E = 3.29

Larger downwindsail area:
SL / ALE = 8.30, SL / ALU = 10.60,
SHW / AMG = 5.54, SFL / SF = 6.50
Area: 45.14 mē

RATING ( Rc ): 5.4562

Time corrected Factor ( Ftc ): 0.7982

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 :

2019-04-28

JCH commission member :

Costalas Peter

Certificate number :

4-289-2703