RATING CERTIFICATE
Sail number : DEN 1918

YACHT DESCRIPTION

Name of Yacht: RUNA IV Photo 1 - Photo 2...
Request date : 2025-05-21
Launch year :2011
Designer : Gerhard Ranne
Design year : 1918
Builder : Bradr Nielsens
Class name : aucune
Usual place of sailing : Alantique

Declared dimensions :
Lenght Over All (LH) = 10.70 m
Length on the Water Line (LWL) = 7.76 m
Max width (BH) = 2.40 m
Draft (TE) = 1.58 m
Displacement factor (FD) = 4.42

Correction factor calculation

Type of rig : gaffer yawl = 0.84
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a = 0.049
Performance group : Performance class 1 = 0.25
Vintage bonus (build): 2011 = 0.088
Vintage bonus (design): 1918 = -0.032
Cumulative vintage bonus: 0.056
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
No spar change = 0
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.01
Winches ? : without = -0.05

Correction factor (C)= 1.031
GAFFERS
Foresail area: 26.13 m²
Staysail HLU = 7.00 ; HLP = 2.91
Jib HLU = 9.80 ; HLP = 3.03

GAFFERS
Main total area: 45.85 m²
Gaffer Mainsail
MAE = 9.36, MAH = 4.45,
MAU = 5.80, MAD = 7.90, MAF = 5.90
Mizzen or Jigger sail
MAE = 5.88, MAH = 2.65, MAU = 3.70, MAD = 4.50, MAF = 3.05
With Gaff topsail
FE = 5.85, FU = 3.28, FF = 6.01

Larger downwindsail area:
SL / ALE = 9.20, SL / ALU = 10.25,
SHW / AMG = 5.10, SFL / ASF = 7.05
Area: 44.49 m²

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

RATING ( Rc ): 9.005

Time corrected Factor ( Ftc ): 0.9161

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 :

2025-05-21

JCH commission member :

Olivier Beau

Certificate number :

5-215-4292