RATING CERTIFICATE
Sail number : 1133

YACHT DESCRIPTION

Name of Yacht: TUMBELINA Photo 1 - Photo 2...
Request date : 2019-04-23
Launch year :1959
Designer : LAURENT GILES
Design year : 1959
Builder : R.J. PRIOR AND SON
Usual place of sailing : ATLANTIQUE BREST

Declared dimensions :
Lenght Over All (LH) = 11.59 m
Length on the Water Line (LWL) = 8.54 m
Max width (BH) = 2.97 m
Draft (TE) = 1.98 m
Displacement factor (FD) = 9.017
Rating RORC 1957 : CLASSE 2 m


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.106
Performance group : Cruiser Racer = 0
Vintage bonus (build): 1959 = 0.016
Vintage bonus (design): 1959 = 0.016
Cumulative vintage bonus: 0.032
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
Year of mast change : 1959 = 0
Year of spar change : 1959 = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.878

BERMUDIANS
Max foresail area: 34.79 mē
Genoa HLU = 11.20 ; HLP = 5.95

BERMUDIANS
Main total area: 43.17 mē
Mainsail P = 13.65 ; E = 5.50

Larger downwindsail area:
SL / ALE = 12.38, SL / ALU = 12.38,
SHW / AMG = 7.55, SFL / SF = 6.00
Area: 74.69 mē

RATING ( Rc ): 6.7574

Time corrected Factor ( Ftc ): 0.8481

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 :

2019-04-25

JCH commission member :

Perrin Patrick

Certificate number :

4-259-2682