RATING CERTIFICATE
Sail number : 218 C

YACHT DESCRIPTION

Name of Yacht: Elrhuna Photo 1 - Photo 2...
Request date : 2021-03-27
Launch year :1904
Designer : Alexander Robertson
Design year : 1904
Builder : Alexander Robertson
Usual place of sailing : Falmouth area

Declared dimensions :
Lenght Over All (LH) = 8.50 m
Length on the Water Line (LWL) = 5.90 m
Max width (BH) = 2.20 m
Draft (TE) = 1.40 m
Displacement factor (FD) = 2.803

Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.117
Performance group : Performance class 2 = 0.05
Vintage bonus (build): 1904 = -0.046
Vintage bonus (design): 1904 = -0.046
Cumulative vintage bonus: -0.092
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
Year of mast change : 1950 = 0.008
Year of spar change : 1950 = 0.004
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 0.986
BERMUDIANS
Max foresail area: 8.17 m²
Jib or staysail HLU = 5.80 ; HLP = 2.70

BERMUDIANS
Main total area: 21.98 m²
Mainsail P = 9.10 ; E = 4.20

Larger downwindsail area:
SL / ALE = 7.10, SL / ALU = 7.10,
SHW / AMG = 4.00, SFL / ASF = 5.00
Area: 24.85 m²

RATING ( Rc ): 4.9947

Time corrected Factor ( Ftc ): 0.7711

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 :

2021-03-29

JCH commission member :

Costalas Peter

Certificate number :

3-291-3292