MARIA CRISTINA I — ORC Rating

GPH

545.6

OSN

531.2

LOA

12.47 m

Displacement

5525 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7667

Medium

1.0057

High

1.1443

Triple Offshore

Low

0.9829

Medium

1.2295

High

1.3694

Boat Specifications

Dimensions

Length overall: 12.47 m
Beam: 3.73 m
Draft: 2.68 m
Displacement: 5525 kg
Crew weight: 920 kg
Wetted surface: 30.57 m²

Sails

Mainsail: 57.22 m²
Genoa: 45.36 m²
Spinnaker: 120.31 m²
Asymmetric spinnaker: 111.54 m²

Design

Type: SIDNEY 40
Builder: BASHFORD INT.
Designer: MURRAY/BURNS/DOVEL
Year built: 1998
Stability index: 110.3

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.

6,41.8,5.781541,52,6.46,60,6.75,75,6.93,90,6.76,110,6.44,120,6.22,135,5.56,141.9,5.133842,150,4.67
8,39.3,6.655121,52,7.42,60,7.62,75,7.74,90,7.66,110,7.64,120,7.49,135,6.9,146,6.175836,150,5.91
10,37.2,6.942614,52,7.77,60,7.98,75,8.16,90,8.15,110,8.27,120,8.18,135,7.77,150,6.98,151.1,6.910617
12,36.6,7.124907,52,7.93,60,8.14,75,8.43,90,8.55,110,8.75,120,8.75,135,8.36,150,7.76,156.8,7.420017
14,36.3,7.246302,52,8.04,60,8.26,75,8.61,90,8.87,110,9.1,120,9.3,135,8.95,150,8.31,166.4,7.664917
16,35.8,7.286726,52,8.11,60,8.35,75,8.74,90,9.11,110,9.4,120,9.84,135,9.61,150,8.85,175.4,8.025852
20,36,7.366965,52,8.19,60,8.45,75,8.91,90,9.43,110,9.91,120,10.7,135,11.33,150,10.17,174.8,9.037193

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.46	6.75	6.93	6.76	6.44	6.22	5.56	4.67
8	7.42	7.62	7.74	7.66	7.64	7.49	6.9	5.91
10	7.77	7.98	8.16	8.15	8.27	8.18	7.77	6.98
12	7.93	8.14	8.43	8.55	8.75	8.75	8.36	7.76
14	8.04	8.26	8.61	8.87	9.1	9.3	8.95	8.31
16	8.11	8.35	8.74	9.11	9.4	9.84	9.61	8.85
20	8.19	8.45	8.91	9.43	9.91	10.7	11.33	10.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.31	141.9°	4.04
8	39.3°	5.15	146°	5.12
10	37.2°	5.53	151.1°	6.05
12	36.6°	5.72	156.8°	6.82
14	36.3°	5.84	166.4°	7.45
16	35.8°	5.91	175.4°	8
20	36°	5.96	174.8°	9

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