RATING CERTIFICATE
Sail number : 1054

YACHT DESCRIPTION

Name of Yacht: Rocket Photo...
Request date : 03 07 2013
Launch year :1980
Designer : T HERD
Builder : Mylor
Class name : HERD 28
Usual place of sailing : Start Bay

Declared dimensions :
Lenght Over All (LH) = 9.10 m
Length on the Water Line (LWL) = 9.10 m
Max width ( Bo ) = 3.00 m
Draft (Tmax) = 1.70 m
Displacement factor (FD) = 5.992


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: traditional
C2 = -0.07 Kref = 0.17
C2a : 0.05
Regatta series : no = 0
Vintage bonus (build): 1980 = 0.044
Vintage bonus (estimated): 1979 = 0.042
Cumulative vintage bonus: 0.086
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 : 2 fix blades = -0.1
Winches ? : with = 0

Correction factor (C)= 0.996

GAFFERS
Foresail area: 30.38 m²
StaysailJL = 7.80 ; LPG = 3.59
JibJL = 10.20 ; LPG = 2.96

GAFFERS
Main total area: 33.77 m²
Gaffer Mainsail
A = 10.10, B = 4.65,
C = 5.65, D = 7.90, E = 5.65
With Gaff topsail
F = 6.00, G = 2.35, H = 6.06

No downwindsail

RATING ( Rc ): 7.0577

Time corrected Factor ( Ftc ): 0.8619

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 :

27 06 2015

JCH commission member :

François Séruzier

Certificate number :

201506995