RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: ISMANA
Request date : 01 02 2015
Launch year :1951
Designer : Jack Laurent Giles
Design year : 1949
Builder : Sabberton Brothers- Wroxham
Usual place of sailing : Bretagne

Declared dimensions :
Lenght Over All (LH) = 14.26 m
Length on the Water Line (LWL) = 10.90 m
Max width ( Bo ) = 3.25 m
Draft (Tmax) = 2.00 m
Displacement factor (FD) = 12.27


Correction factor calculation

Type of rigging : bermudian yawl = 0.98
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : -0.071
Regatta series : no = 0
Vintage bonus (build): 1951 = 0.001
Vintage bonus (design): 1949 = -0.001
Cumulative vintage bonus: 0
Hull material : traditional wood = -0.03
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)= 0.719

BERMUDIANS
Max foresail area: 47.82 mē
GenoaJL = 14.80 ; LPG = 6.19

BERMUDIANS
Main total area: 53.62 mē
Mainsail P = 13.60 ; E = 5.60
With Mizzen or Jigger sail P = 6.45 ; E = 2.65

Larger downwindsail area:
SL / ALE = 15.00, SL / ALU = 15.00,
SMG / AMG = 8.70, SF / ASF = 9.60
Area: 111 mē

RATING ( Rc ): 7.039

Time corrected Factor ( Ftc ): 0.8611

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 :

02 02 2015

JCH commission member :

Olivier Beau

Certificate number :

2015021299