Grace — ORC Rating | RegattaPages

GPH

786

OSN

760.9

LOA

7.01 m

Displacement

1669 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5164

Medium

0.7062

High

0.8063

Triple Offshore

Low

0.6646

Medium

0.8632

High

0.9615

Boat Specifications

Dimensions

Length overall: 7.01 m
Beam: 2.53 m
Draft: 1.63 m
Displacement: 1669 kg
Crew weight: 200 kg
Wetted surface: 11.72 m²

Sails

Mainsail: 13.62 m²
Genoa: 14.97 m²
Spinnaker: 33.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: Holiday 23
Builder: John Robertson
Designer: Angelo Lavranos
Year built: 1979
Stability index: 93.3

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.

6,43.8,3.671579,52,4.07,60,4.3,75,4.49,90,4.53,110,4.6,120,4.46,135,4,148.7,3.499291,150,3.45
8,41.8,4.265731,52,4.79,60,5.04,75,5.24,90,5.41,110,5.48,120,5.37,135,4.91,150,4.35,153.2,4.234887
10,41.7,4.808219,52,5.32,60,5.5,75,5.65,90,5.86,110,5.91,120,5.84,135,5.6,150,5.14,154.1,4.969108
12,40,5.117197,52,5.63,60,5.77,75,5.89,90,6.09,110,6.24,120,6.17,135,5.96,150,5.68,164.9,5.292745
14,39.5,5.261626,52,5.77,60,5.92,75,6.09,90,6.21,110,6.57,120,6.51,135,6.28,150,6,177.2,5.606694
16,39.6,5.295172,52,5.8,60,5.98,75,6.24,90,6.4,110,6.82,120,6.86,135,6.63,150,6.31,179,5.920902
20,41.5,5.300714,52,5.78,60,5.99,75,6.35,90,6.73,110,7.09,120,7.41,135,7.34,150,6.96,178.4,6.512539

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.07	4.3	4.49	4.53	4.6	4.46	4	3.45
8	4.79	5.04	5.24	5.41	5.48	5.37	4.91	4.35
10	5.32	5.5	5.65	5.86	5.91	5.84	5.6	5.14
12	5.63	5.77	5.89	6.09	6.24	6.17	5.96	5.68
14	5.77	5.92	6.09	6.21	6.57	6.51	6.28	6
16	5.8	5.98	6.24	6.4	6.82	6.86	6.63	6.31
20	5.78	5.99	6.35	6.73	7.09	7.41	7.34	6.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.65	148.7°	2.99
8	41.8°	3.18	153.2°	3.78
10	41.7°	3.59	154.1°	4.47
12	40°	3.92	164.9°	5.11
14	39.5°	4.06	177.2°	5.6
16	39.6°	4.08	179°	5.92
20	41.5°	3.97	178.4°	6.51

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