Western Morning — ORC Rating

GPH

697.1

OSN

674

LOA

10.1 m

Displacement

5099 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5942

Medium

0.8015

High

0.9193

Triple Offshore

Low

0.7545

Medium

0.9706

High

1.079

Boat Specifications

Dimensions

Length overall: 10.1 m
Beam: 3.06 m
Draft: 1.94 m
Displacement: 5099 kg
Crew weight: 457 kg
Wetted surface: 22.81 m²

Sails

Mainsail: 25.23 m²
Genoa: 34.68 m²
Spinnaker: 79.36 m²
Asymmetric spinnaker: 0 m²

Design

Type: S&S 34
Builder: AquaFibre
Designer: Sparkman & Stephen
Year built: 1968
Stability index: 131.1

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.

4,42.3,3.150219,52,3.56,60,3.75,75,3.84,90,3.71,110,3.69,120,3.54,135,3.2,147.5,2.738942,150,2.67
6,42.3,4.2724,52,4.75,60,4.96,75,5.08,90,4.97,110,5.02,120,4.86,135,4.43,147.5,3.912774,150,3.81
8,40.4,4.976769,52,5.55,60,5.74,75,5.87,90,5.85,110,5.98,120,5.86,135,5.43,150,4.82,151.8,4.742975
10,39.3,5.479167,52,6.05,60,6.21,75,6.33,90,6.39,110,6.52,120,6.46,135,6.2,150,5.67,154.2,5.486945
12,38.2,5.751683,52,6.33,60,6.47,75,6.6,90,6.66,110,6.85,120,6.83,135,6.64,150,6.3,161.3,5.912098
14,37.8,5.884921,52,6.49,60,6.63,75,6.79,90,6.84,110,7.11,120,7.13,135,6.98,150,6.69,167.3,6.273484
16,37.5,5.962035,52,6.56,60,6.72,75,6.93,90,7.03,110,7.3,120,7.4,135,7.29,150,7,175.8,6.52753
20,37.5,6.037663,52,6.63,60,6.8,75,7.07,90,7.3,110,7.54,120,7.81,135,7.86,150,7.57,178.1,7.0939
24,37.9,6.057656,52,6.65,60,6.85,75,7.16,90,7.46,110,7.72,120,8.07,135,8.41,150,8.14,178.1,7.614186

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.56	3.75	3.84	3.71	3.69	3.54	3.2	2.67
6	4.75	4.96	5.08	4.97	5.02	4.86	4.43	3.81
8	5.55	5.74	5.87	5.85	5.98	5.86	5.43	4.82
10	6.05	6.21	6.33	6.39	6.52	6.46	6.2	5.67
12	6.33	6.47	6.6	6.66	6.85	6.83	6.64	6.3
14	6.49	6.63	6.79	6.84	7.11	7.13	6.98	6.69
16	6.56	6.72	6.93	7.03	7.3	7.4	7.29	7
20	6.63	6.8	7.07	7.3	7.54	7.81	7.86	7.57
24	6.65	6.85	7.16	7.46	7.72	8.07	8.41	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	42.3°	2.33	147.5°	2.31
6	42.3°	3.16	147.5°	3.3
8	40.4°	3.79	151.8°	4.18
10	39.3°	4.24	154.2°	4.94
12	38.2°	4.52	161.3°	5.6
14	37.8°	4.65	167.3°	6.12
16	37.5°	4.73	175.8°	6.51
20	37.5°	4.79	178.1°	7.09
24	37.9°	4.78	178.1°	7.61

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