RATING CERTIFICATE
Sail number : 22

YACHT DESCRIPTION

Name of Yacht: IRISH PIPER Photo 1 - Photo 2...
Request date : 2022-06-16
Launch year :1970
Designer : David Boyd
Design year : 1966
Builder : Halmatics completed by Robertsons.
Class name : Piper 24
Usual place of sailing : RIYC Dublin Bay

Declared dimensions :
Lenght Over All (LH) = 7.40 m
Length on the Water Line (LWL) = 4.80 m
Max width (BH) = 1.80 m
Draft (TE) = 0.93 m
Displacement factor (FD) = 1.126

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.03
Performance group : Performance class 1 = 0.445
Vintage bonus (build): 1970 = 0.03
Vintage bonus (design): 1966 = 0.025
Cumulative vintage bonus: 0.055
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)= 1.648
BERMUDIANS
Max foresail area: 11.33 m²
Genoa HLU = 6.58 ; HLP = 3.30

BERMUDIANS
Main total area: 15.97 m²
Mainsail P = 7.87 ; E = 3.53

No downwindsail

RATING ( Rc ): 8.4188

Time corrected Factor ( Ftc ): 0.8973

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 :

2022-06-16

JCH commission member :

Costalas Peter

Certificate number :

6-162-3627