Mrs. Jones — ORC Rating

GPH

611

OSN

594.4

LOA

12.267 m

Displacement

8782 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6746

Medium

0.9024

High

1.0348

Triple Offshore

Low

0.8678

Medium

1.1045

High

1.222

Boat Specifications

Dimensions

Length overall: 12.267 m
Beam: 3.89 m
Draft: 2.31 m
Displacement: 8782 kg
Crew weight: 350 kg
Wetted surface: 32.6 m²

Sails

Mainsail: 52.91 m²
Genoa: 40.66 m²
Spinnaker: 97.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIGMA 400
Builder: UDRINE PROJECTS
Designer: HUMPHREYS
Year built: 1991

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.

6,42.1,5.027118,52,5.61,60,5.87,75,6.05,90,5.94,110,5.76,120,5.58,135,4.99,142.8,4.519604,150,4.16
8,40.3,5.834777,52,6.53,60,6.76,75,6.91,90,6.86,110,6.88,120,6.72,135,6.15,148.5,5.383279,150,5.3
10,39.4,6.341125,52,7.03,60,7.21,75,7.35,90,7.36,110,7.48,120,7.39,135,7.01,150,6.27,152.1,6.155478
12,38.6,6.564127,52,7.27,60,7.44,75,7.61,90,7.67,110,7.83,120,7.79,135,7.53,150,7.04,157.4,6.704865
14,38.1,6.671453,52,7.38,60,7.58,75,7.79,90,7.89,110,8.11,120,8.1,135,7.89,150,7.53,169.1,6.945302
16,37.9,6.741994,52,7.46,60,7.65,75,7.91,90,8.07,110,8.34,120,8.39,135,8.21,150,7.88,178.1,7.344038
20,38,6.840008,52,7.54,60,7.75,75,8.07,90,8.35,110,8.62,120,8.92,135,8.88,150,8.52,179.2,8.030783
24,38.8,6.890464,52,7.57,60,7.79,75,8.17,90,8.55,110,8.79,120,9.26,135,9.67,150,9.24,179,8.651318

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.87	6.05	5.94	5.76	5.58	4.99	4.16
8	6.53	6.76	6.91	6.86	6.88	6.72	6.15	5.3
10	7.03	7.21	7.35	7.36	7.48	7.39	7.01	6.27
12	7.27	7.44	7.61	7.67	7.83	7.79	7.53	7.04
14	7.38	7.58	7.79	7.89	8.11	8.1	7.89	7.53
16	7.46	7.65	7.91	8.07	8.34	8.39	8.21	7.88
20	7.54	7.75	8.07	8.35	8.62	8.92	8.88	8.52
24	7.57	7.79	8.17	8.55	8.79	9.26	9.67	9.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.73	142.8°	3.6
8	40.3°	4.45	148.5°	4.59
10	39.4°	4.9	152.1°	5.44
12	38.6°	5.13	157.4°	6.19
14	38.1°	5.25	169.1°	6.82
16	37.9°	5.32	178.1°	7.34
20	38°	5.39	179.2°	8.03
24	38.8°	5.37	179°	8.65

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