Grace — ORC Rating | RegattaPages

GPH

734.4

OSN

715.7

LOA

7.62 m

Displacement

1749 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5642

Medium

0.7525

High

0.8431

Triple Offshore

Low

0.7267

Medium

0.9166

High

1.0096

Boat Specifications

Dimensions

Length overall: 7.62 m
Beam: 2.71 m
Draft: 1.57 m
Displacement: 1749 kg
Crew weight: 240 kg
Wetted surface: 12.47 m²

Sails

Mainsail: 21.55 m²
Genoa: 14.33 m²
Spinnaker: 30.46 m²
Asymmetric spinnaker: 0 m²

Design

Type: Ridas77
Builder: Ridas
Designer: Ikhanov
Year built: 1992
Stability index: 106.4

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,42.3,4.110157,52,4.61,60,4.89,75,5.15,90,5.11,110,4.89,120,4.69,135,4.2,147.8,3.663466,150,3.58
8,41.8,4.855958,52,5.41,60,5.63,75,5.78,90,5.78,110,5.76,120,5.63,135,5.16,150,4.53,152.3,4.438704
10,40.2,5.263185,52,5.79,60,5.94,75,6.07,90,6.14,110,6.17,120,6.09,135,5.82,150,5.36,154.7,5.165458
12,39.6,5.411977,52,5.94,60,6.12,75,6.3,90,6.42,110,6.54,120,6.44,135,6.19,150,5.89,168.2,5.445069
14,39.4,5.461132,52,6.01,60,6.22,75,6.49,90,6.69,110,6.88,120,6.81,135,6.55,150,6.23,179,5.830888
16,39.9,5.526841,52,6.04,60,6.28,75,6.61,90,6.88,110,7.17,120,7.16,135,6.91,150,6.58,179,6.17094
20,40.6,5.54479,52,6.07,60,6.32,75,6.72,90,7.13,110,7.68,120,7.8,135,7.65,150,7.26,179,6.821039

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.61	4.89	5.15	5.11	4.89	4.69	4.2	3.58
8	5.41	5.63	5.78	5.78	5.76	5.63	5.16	4.53
10	5.79	5.94	6.07	6.14	6.17	6.09	5.82	5.36
12	5.94	6.12	6.3	6.42	6.54	6.44	6.19	5.89
14	6.01	6.22	6.49	6.69	6.88	6.81	6.55	6.23
16	6.04	6.28	6.61	6.88	7.17	7.16	6.91	6.58
20	6.07	6.32	6.72	7.13	7.68	7.8	7.65	7.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.04	147.8°	3.1
8	41.8°	3.62	152.3°	3.93
10	40.2°	4.02	154.7°	4.67
12	39.6°	4.17	168.2°	5.33
14	39.4°	4.22	179°	5.83
16	39.9°	4.24	179°	6.17
20	40.6°	4.21	179°	6.82

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