RATING CERTIFICATE
Sail number : GBR5055L

YACHT DESCRIPTION

Name of Yacht: IO OF DARTMOUTH Photo 1 - Photo 2...
Request date : 2021-06-19
Launch year :2019
Designer : Sean McMillan. Spirit Yachts
Design year : 2018
Builder : Spirit Yachts
Class name : Spirit 50 CR
Usual place of sailing : Dartmouth. Channel

Declared dimensions :
Lenght Over All (LH) = 14.98 m
Length on the Water Line (LWL) = 10.64 m
Max width (BH) = 3.58 m
Draft (TE) = 1.98 m
Displacement factor (FD) = 10.065

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: modern
C2 = 0.03 Kref = 0.191
C2a : -0.01
Performance group : Performance class 3 = 0
Vintage bonus (build): 2019 = 0.1
Vintage bonus (design): 2018 = 0.099
Cumulative vintage bonus: 0.199
Hull material : moulded wood = 0.02
Mast material : other = 0.05
Boom material : other = 0.05
Mast or boom total penality (D.2.1.3.6) : 0.05
No mast change = 0
No spar change = 0
Sails material : type 3 = 0.085
Propeller type : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 1.379
BERMUDIANS
Max foresail area: 38.63 m²
(forewind battens penalty included)
Jib or staysail HLU = 13.78 ; HLP = 4.67

BERMUDIANS
Main total area: 55.2 m²
Mainsail P = 15.00 ; E = 6.40

Larger downwindsail area:
SL / ALE = 16.93, SL / ALU = 16.93,
SHW / AMG = 9.96, SFL / ASF = 9.46
Area: 139.11 m²

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

RATING ( Rc ): 15.2975

Time corrected Factor ( Ftc ): 1.0884

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 :

2021-06-19

JCH commission member :

Costalas Peter

Certificate number :

6-191-3371