RATING CERTIFICATE
Sail number : 3

YACHT DESCRIPTION

Name of Yacht: APTISENFANS Photo 1 - Photo 2...
Request date : 2019-06-24
Launch year :2018
Designer : N. G. Herreshof
Design year : 1912
Builder : DARAK
Class name : ALERION
Usual place of sailing : BENODET

Declared dimensions :
Lenght Over All (LH) = 7.94 m
Length on the Water Line (LWL) = 6.63 m
Max width (BH) = 2.30 m
Draft (TE) = 1.73 m
TEDB (Centerboarder) = 0.80 m
Displacement factor (FD) = 2.808


Correction factor calculation

Type of rigging : gunter cutter = 0.98
Hull: ballasted centerboarder
C2 = -0.2 Kref = 0.211
C2a : 0.1
Performance group : Cruiser Racer = 0
Vintage bonus (build): 2018 = 0.099
Vintage bonus (design): 1912 = -0.038
Cumulative vintage bonus: 0.061
Hull material : moulded wood = 0.02
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 : orientable ou repliable = -0.03
Winches ? : without = -0.05

Correction factor (C)= 0.881

GAFFERS
Foresail area: 7 mē
JibHLU = 6.27 ; HLP = 2.14

GAFFERS
Main total area: 25.11 mē
Gaffer Mainsail
MAE = 10.30, MAH = 5.40,
MAU = 4.00, MAD = 6.30, MAF = 5.50

No downwindsail

RATING ( Rc ): 4.3109

Time corrected Factor ( Ftc ): 0.749

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 :

2019-06-24

JCH commission member :

Perrin Patrick

Certificate number :

6-249-2949