SPIRIT — ORC Rating | RegattaPages

GPH

668.8

OSN

652.2

LOA

9.296 m

Displacement

2380 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6964

Medium

0.9271

High

1.0455

Triple Offshore

Low

0.8945

Medium

1.1327

High

1.2567

Boat Specifications

Dimensions

Length overall: 9.296 m
Beam: 3.25 m
Draft: 1.77 m
Displacement: 2380 kg
Crew weight: 400 kg
Wetted surface: 15.75 m²

Sails

Mainsail: 28.95 m²
Genoa: 20.66 m²
Spinnaker: 46.25 m²
Asymmetric spinnaker: 0 m²

Design

Type: PROTO 1/2 TON 1983
Builder: BLACHFORD
Designer: HUMPHREYS Rob
Year built: 1983

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.

6,41.1,4.458815,52,5.06,60,5.34,75,5.56,90,5.47,110,5.33,120,5.13,135,4.6,147.6,4.026871,150,3.92
8,41.6,5.36241,52,5.94,60,6.13,75,6.27,90,6.28,110,6.3,120,6.16,135,5.65,150,4.9,151.5,4.824667
10,39.4,5.771718,52,6.35,60,6.5,75,6.63,90,6.73,110,6.79,120,6.69,135,6.35,150,5.78,153.4,5.636611
12,38.6,5.924349,52,6.52,60,6.71,75,6.93,90,7.06,110,7.24,120,7.14,135,6.8,150,6.4,167.2,5.876023
14,38.6,5.988327,52,6.6,60,6.82,75,7.16,90,7.3,110,7.64,120,7.55,135,7.24,150,6.82,180,6.31
16,38.6,6.001122,52,6.63,60,6.88,75,7.29,90,7.56,110,7.96,120,7.96,135,7.65,150,7.23,180,6.73
20,39.4,6.069362,52,6.69,60,6.93,75,7.38,90,7.87,110,8.37,120,8.85,135,8.61,150,8.01,180,7.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.34	5.56	5.47	5.33	5.13	4.6	3.92
8	5.94	6.13	6.27	6.28	6.3	6.16	5.65	4.9
10	6.35	6.5	6.63	6.73	6.79	6.69	6.35	5.78
12	6.52	6.71	6.93	7.06	7.24	7.14	6.8	6.4
14	6.6	6.82	7.16	7.3	7.64	7.55	7.24	6.82
16	6.63	6.88	7.29	7.56	7.96	7.96	7.65	7.23
20	6.69	6.93	7.38	7.87	8.37	8.85	8.61	8.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.1°	3.36	147.6°	3.4
8	41.6°	4.01	151.5°	4.24
10	39.4°	4.46	153.4°	5.04
12	38.6°	4.63	167.2°	5.73
14	38.6°	4.68	180°	6.31
16	38.6°	4.69	180°	6.73
20	39.4°	4.69	180°	7.49

Loading polar chart…