RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)

YACHT DESCRIPTION

Name of Yacht: PATELA Photo 1 - Photo 2...
Request date : 2019-09-16
Launch year :1974
Designer : Danilo Cattadori
Design year : 1971
Builder : Alpa
Class name : Alpa 11.50
Usual place of sailing : Atlántico NW

Declared dimensions :
Lenght Over All (LH) = 11.55 m
Length on the Water Line (LWL) = 8.50 m
Max width (BH) = 3.20 m
Draft (TE) = 1.90 m
Displacement factor (FD) = 7.878


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 3
C2 = -0.01 Kref = 0.188
C2a : 0.071
Performance group : (4)Cruiser = -0.14
Vintage bonus (build): 1974 = 0.036
Vintage bonus (design): 1971 = 0.031
Cumulative vintage bonus: 0.067
Hull material : other = 0.05
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 : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.838

BERMUDIANS
Max foresail area: 40.29 m˛
Genoa HLU = 12.45 ; HLP = 6.20

BERMUDIANS
Main total area: 24.37 m˛
Mainsail P = 11.30 ; E = 3.75

No downwindsail

RATING ( Rc ): 5.6978

Time corrected Factor ( Ftc ): 0.8079

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.

IMPORTANT :
Handicap is calculated according to JCH calculation rules with your own measurements.
You are not allowed to use until it has been validated by a member of the JCH committee.