RATING CERTIFICATE
Sail number : GBR1353R

YACHT DESCRIPTION
Name of Yacht: WINDWEAVER Photo 1 - Photo 2... Request date : 2019-06-20 Launch year :1964 Designer : kennedy O brien Builder : harry kimber Usual place of sailing : english channel	Declared dimensions : Lenght Over All (L_H) = 12.35 m Length on the Water Line (L_WL) = 9.50 m Max width (B_H) = 3.50 m Draft (TE) = 2.00 m Displacement factor (FD) = 12.271
Correction factor calculation Type of rig : bermudian ketch = 0.98 Hull: classic 1 C2 = -0.03 Kref = 0.171 C2a = 0.079 Performance group : Performance class 3 = 0 Vintage bonus (build): 1964 = 0.022 Vintage bonus (estimated): 1963 = 0.021 Cumulative vintage bonus: 0.043 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 : tripale = -0.14 Winches ? : with = 0 Correction factor (C)= 0.894	BERMUDIANS Max foresail area: 55.2 m² Jib or staysail HLU = 12.70 ; HLP = 6.30 Yankee HLU = 7.80 ; HLP = 3.30 BERMUDIANS Main total area: 34.71 m² Mainsail P = 12.00 ; E = 3.60 Mizzen or Jigger sail P = 7.15 ; E = 2.40 Larger downwindsail area: SL / ALE = 12.30, SL / ALU = 11.50, SHW / AMG = 7.40, SFL / ASF = 7.40 Area: 73.38 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 6.8957

Time corrected Factor ( Ftc ): 0.8451

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 :

2019-06-21

JCH commission member :

Costalas Peter

Certificate number :

6-219-2930