RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: NYALA Photo 1 - Photo 2...
Request date : 2019-05-04
Launch year :1933
Designer : Maurice Griffiths
Design year : 1933
Builder : Eversons and Son, Woodbridge
Class name : exemplaire unique
Usual place of sailing : Bretagne, France

Declared dimensions :
Lenght Over All (LH) = 10.51 m
Length on the Water Line (LWL) = 9.30 m
Max width (BH) = 3.10 m
Draft (TE) = 1.24 m
Displacement factor (FD) = 7.184


Correction factor calculation

Type of rigging : gaffer yawl = 0.94
Hull: traditional
C2 = -0.086 Kref = 0.16
C2a : -0.053
Performance group : Cruiser = -0.14
Vintage bonus (build): 1933 = -0.017
Vintage bonus (design): 1933 = -0.017
Cumulative vintage bonus: -0.034
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.397

GAFFERS
Foresail area: 28.01 mē
StaysailHLU = 6.05 ; HLP = 2.85
JibHLU = 7.60 ; HLP = 2.75
flying jibHLU = 6.60 ; HLP = 2.35

Gennaker : 19.97 mē
HLU = 7.10 ; HLP = 4.50

GAFFERS
Main total area: 39.5 mē
Gaffer Mainsail
MAE = 9.06, MAH = 4.12,
MAU = 5.52, MAD = 7.84, MAF = 5.52
Mizzen or Jigger sail
MAE = 6.30, MAH = 2.80, MAU = 3.80, MAD = 4.00, MAF = 2.25
With Gaff topsail
FE = 2.65, FU = 4.70, FF = 4.10

No downwindsail

RATING ( Rc ): 2.9568

Time corrected Factor ( Ftc ): 0.6815

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 :

2019-05-05

JCH commission member :

Perrin Patrick

Certificate number :

5-059-2739