Grace — ORC Rating | RegattaPages

GPH

729.4

OSN

711.7

LOA

7.62 m

Displacement

1749 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5721

Medium

0.7587

High

0.8468

Triple Offshore

Low

0.7336

Medium

0.9219

High

1.0123

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: 12.64 m²

Sails

Mainsail: 21.75 m²
Genoa: 14.1 m²
Spinnaker: 30.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: Ridas77
Builder: Ridas
Designer: Ikhanov
Year built: 1992

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.

6,41.6,4.118759,52,4.65,60,4.9,75,5.1,90,5.06,110,4.95,120,4.76,135,4.28,148.5,3.717864,150,3.66
8,41.2,4.851047,52,5.42,60,5.61,75,5.74,90,5.79,110,5.79,120,5.67,135,5.23,150,4.59,153,4.466858
10,39.9,5.279176,52,5.79,60,5.92,75,6.04,90,6.16,110,6.19,120,6.11,135,5.86,150,5.4,155.5,5.176044
12,39.4,5.448191,52,5.95,60,6.1,75,6.27,90,6.43,110,6.55,120,6.46,135,6.21,150,5.92,180,5.38
14,39.4,5.499955,52,6.02,60,6.21,75,6.47,90,6.61,110,6.89,120,6.82,135,6.56,150,6.25,180,5.88
16,39.4,5.512896,52,6.05,60,6.26,75,6.61,90,6.84,110,7.18,120,7.17,135,6.92,150,6.58,180,6.2
20,40.5,5.536516,52,6.05,60,6.28,75,6.72,90,7.15,110,7.49,120,7.79,135,7.63,150,7.24,180,6.85

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.65	4.9	5.1	5.06	4.95	4.76	4.28	3.66
8	5.42	5.61	5.74	5.79	5.79	5.67	5.23	4.59
10	5.79	5.92	6.04	6.16	6.19	6.11	5.86	5.4
12	5.95	6.1	6.27	6.43	6.55	6.46	6.21	5.92
14	6.02	6.21	6.47	6.61	6.89	6.82	6.56	6.25
16	6.05	6.26	6.61	6.84	7.18	7.17	6.92	6.58
20	6.05	6.28	6.72	7.15	7.49	7.79	7.63	7.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.08	148.5°	3.17
8	41.2°	3.65	153°	3.98
10	39.9°	4.05	155.5°	4.71
12	39.4°	4.21	180°	5.38
14	39.4°	4.25	180°	5.88
16	39.4°	4.26	180°	6.2
20	40.5°	4.21	180°	6.85

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