RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: SURIAN Photo 1 - Photo 2...
Request date : 2019-06-11
Launch year :1962
Designer : Alan Buchanan
Design year : 1957
Builder : E W Sutton
Class name : Buchanan Sea Spray
Usual place of sailing : South West UK

Declared dimensions :
Lenght Over All (LH) = 8.50 m
Length on the Water Line (LWL) = 6.20 m
Max width (BH) = 2.40 m
Draft (TE) = 1.38 m
Displacement factor (FD) = 3.26


Correction factor calculation

Type of rigging : bermudian sloop = 1
Hull: classic 2
C2 = -0.03 Kref = 0.179
C2a : 0.087
Performance group : Cruiser Racer = 0
Vintage bonus (build): 1962 = 0.02
Vintage bonus (design): 1957 = 0.013
Cumulative vintage bonus: 0.033
Hull material : traditional wood = -0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : tripale = -0.2
Winches ? : with = 0

Correction factor (C)= 0.86

BERMUDIANS
Max foresail area: 18.43 mē
Genoa HLU = 8.27 ; HLP = 4.27

BERMUDIANS
Main total area: 15.34 mē
Mainsail P = 7.62 ; E = 3.50

No downwindsail

RATING ( Rc ): 4.1458

Time corrected Factor ( Ftc ): 0.7414

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 :

2019-06-11

JCH commission member :

Costalas Peter

Certificate number :

6-119-2886