RATING CERTIFICATE
Sail number : 515C

YACHT DESCRIPTION

Name of Yacht: RINAMARA Photo 1 - Photo 2...
Request date : 2022-06-01
Launch year :1968
Designer : James McGruer
Design year : 1967
Builder : McGruer & Company
Class name : McGruer Yawl
Usual place of sailing : West Country

Declared dimensions :
Lenght Over All (LH) = 14.47 m
Length on the Water Line (LWL) = 11.02 m
Max width (BH) = 3.65 m
Draft (TE) = 2.28 m
Displacement factor (FD) = 18.27

Correction factor calculation

Type of rig : bermudian yawl = 0.98
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.056
Performance group : Performance class 3 = 0
Vintage bonus (build): 1968 = 0.028
Vintage bonus (design): 1967 = 0.026
Cumulative vintage bonus: 0.054
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
No mast change = 0
Year of spar change : 2022 = 0.01
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 1.007
BERMUDIANS
Max foresail area: 59.83 m²
Genoa HLU = 15.12 ; HLP = 7.58

BERMUDIANS
Main total area: 56.95 m²
Mainsail P = 14.00 ; E = 5.77
Mizzen or Jigger sail P = 6.64 ; E = 2.75

Mizzen staysail :
ALE = 8.00; ALU = 5.70; AMG = 3.20; SF = 6.20
Area: 21.69 m²

Larger downwindsail area:
SL / ALE = 17.00, SL / ALU = 17.00,
SHW / AMG = 10.20, SFL / ASF = 10.64
Area: 145.75 m²

Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NON

RATING ( Rc ): 9.8644

Time corrected Factor ( Ftc ): 0.9425

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 :

2022-06-06

JCH commission member :

Costalas Peter

Certificate number :

6-062-3591