RATING CERTIFICATE
Sail number : 711

YACHT DESCRIPTION

Name of Yacht: Boomerang Photo 1 - Photo 2...
Request date : 2021-07-05
Launch year :1986
Designer : T. Sundén
Design year : 1941
Builder : Folkebad Centralen
Class name : FOLKBOAT NORDIK
Usual place of sailing : Dartmouth

Declared dimensions :
Lenght Over All (LH) = 7.64 m
Length on the Water Line (LWL) = 6.00 m
Max width (BH) = 2.20 m
Draft (TE) = 1.20 m
Displacement factor (FD) = 2.349

Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.042
Performance group : Performance class 2 = 0.05
Vintage bonus (build): 1986 = 0.052
Vintage bonus (design): 1941 = -0.009
Cumulative vintage bonus: 0.043
Hull material : other = 0.05
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 : sans = 0.03
Winches ? : with = 0

Correction factor (C)= 1.199
BERMUDIANS
Max foresail area: 7.34 m²
Jib or staysail HLU = 5.96 ; HLP = 2.36

BERMUDIANS
Main total area: 17.11 m²
Mainsail P = 8.75 ; E = 3.40

Larger downwindsail area:
SL / ALE = 6.45, SL / ALU = 6.45,
SHW / AMG = 3.44, SFL / ASF = 3.39
Area: 18.44 m²

RATING ( Rc ): 5.417

Time corrected Factor ( Ftc ): 0.7886

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 :

2021-08-05

JCH commission member :

Jarrett Roger

Certificate number :

8-051-3393