RATING CERTIFICATE
Sail number : 218 C

YACHT DESCRIPTION

Name of Yacht: Elrhuna
Request date : 14 03 2018
Launch year :1904
Designer : Alexander Robertson
Design year : 1904
Builder : Alexander Robertson
Class name : 4 Ton Sloop
Usual place of sailing : Clyde / Glencoe boat club Scotland

Declared dimensions :
Lenght Over All (LH) = 8.50 m
Length on the Water Line (LWL) = 6.00 m
Max width ( Bo ) = 2.20 m
Draft (Tmax) = 1.40 m
Displacement factor (FD) = 2.638


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = 0 Kref = 0.187
C2a : 0.039
Regatta series : no = 0
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 penality : 0
Material of mast or boom different from original : no = 0
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : folding or feathering = -0.04
Winches ? : with = 0

Correction factor (C)= 0.877

BERMUDIANS
Max foresail area: 8.17 mē
Jib or staysailJL = 5.80 ; LPG = 2.70

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

Larger downwindsail area:
SL / ALE = 7.10, SL / ALU = 7.10,
SMG / AMG = 4.00, SF / ASF = 5.00
Area: 24.85 mē

RATING ( Rc ): 4.4046

Time corrected Factor ( Ftc ): 0.7448

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 :

14 03 2018

JCH commission member :

Costalas Peter

Certificate number :

2018032152