RATING CERTIFICATE
Sail number : D86

YACHT DESCRIPTION

Name of Yacht: SEVENTY
Request date : 12 07 2018
Launch year :1956
Designer : LAGE EKLUND
Design year : 1935
Builder : SK30 SCHARENKREUZERN
Class name : MAELAR 30
Usual place of sailing : CADIZ

Declared dimensions :
Lenght Over All (LH) = 11.50 m
Length on the Water Line (LWL) = 7.64 m
Max width ( Bo ) = 2.06 m
Draft (Tmax) = 1.40 m
Displacement factor (FD) = 2.914


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : -0.104
Regatta series : yes = 0.3
Vintage bonus (build): 1956 = 0.012
Vintage bonus (design): 1935 = -0.015
Cumulative vintage bonus: -0.003
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 : no propeller = 0
Winches ? : with = 0

Correction factor (C)= 1.163

BERMUDIANS
Max foresail area: 14.98 m˛
GenoaJL = 7.00 ; LPG = 4.10

BERMUDIANS
Main total area: 26.27 m˛
Mainsail P = 10.43 ; E = 4.38

No downwindsail

RATING ( Rc ): 8.0354

Time corrected Factor ( Ftc ): 0.8992

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 :

12 07 2018

JCH commission member :

Luis Tourón-Figueroa

Certificate number :

2018072333