RATING CERTIFICATE
Sail number : 3808R

YACHT DESCRIPTION
Name of Yacht: OBSESSION Photo 1 - Photo 2... Request date : 2024-01-24 Launch year :1971 Designer : E Ohlson Design year : 1968 Builder : Tyler Boat Company Usual place of sailing : West Country	Declared dimensions : Lenght Over All (L_H) = 11.30 m Length on the Water Line (L_WL) = 8.41 m Max width (B_H) = 3.06 m TE Centerboard down = 1.71 m TE centerboard up = 1.71 m Displacement factor (FD) = 6.525 Rating IOR : .894 feets
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: classic 3 C2 = -0.01 Kref = 0.188 C2a = 0.031 Performance group : Performance class 3 = 0 Vintage bonus (build): 1971 = 0.031 Vintage bonus (design): 1968 = 0.028 Cumulative vintage bonus: 0.059 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 Year of mast change : 2000 = 0.011 No spar change = 0 Sails material : type 2 = 0 Propeller type : orientable ou repliable = -0.03 Winches ? : with = 0 Correction factor (C)= 1.113	BERMUDIANS Max foresail area: 46.83 m² Genoa HLU = 13.93 ; HLP = 6.44 BERMUDIANS Main total area: 28.92 m² Mainsail P = 13.13 ; E = 3.83 Larger downwindsail area: SL / ALE = 13.00, SL / ALU = 14.40, SHW / AMG = 6.38, SFL / ASF = 7.50 Area: 75.4 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NON

RATING ( Rc ): 8.9829

Time corrected Factor ( Ftc ): 0.9154

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 :

2024-02-11

JCH commission member :

Costalas Peter

Certificate number :

2-114-3936