MARIA CRISTINA I — ORC Rating

GPH

553.6

OSN

539.1

LOA

12.47 m

Displacement

5542 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7394

Medium

0.9865

High

1.1316

Triple Offshore

Low

0.958

Medium

1.2175

High

1.3648

Boat Specifications

Dimensions

Length overall: 12.47 m
Beam: 3.73 m
Draft: 2.68 m
Displacement: 5542 kg
Crew weight: 746 kg
Wetted surface: 30.33 m²

Sails

Mainsail: 57.22 m²
Genoa: 45.36 m²
Spinnaker: 107.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIDNEY 40
Builder: BASHFORD INT.
Designer: MURRAY/BURNS/DOVEL
Year built: 1998
Stability index: 112.4

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.

6,42.4,5.565672,52,6.24,60,6.58,75,6.86,90,6.76,110,6.3,120,6.08,135,5.4,141.5,4.996115,150,4.52
8,41.1,6.635142,52,7.38,60,7.61,75,7.76,90,7.71,110,7.59,120,7.43,135,6.75,145.7,5.967813,150,5.7
10,38.8,6.967452,52,7.75,60,7.96,75,8.19,90,8.19,110,8.24,120,8.11,135,7.71,148.4,6.927103,150,6.81
12,38.1,7.141632,52,7.89,60,8.12,75,8.47,90,8.65,110,8.78,120,8.73,135,8.27,150,7.68,155.6,7.390052
14,37.6,7.219582,52,7.97,60,8.21,75,8.65,90,9.03,110,9.14,120,9.38,135,8.87,150,8.21,164.9,7.633567
16,37,7.299951,52,8.04,60,8.28,75,8.76,90,9.27,110,9.46,120,9.9,135,9.55,150,8.77,176.3,7.946564
20,37,7.400122,52,8.18,60,8.48,75,8.97,90,9.53,110,10.25,120,10.7,135,11.32,150,10.08,175.4,8.978922

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.24	6.58	6.86	6.76	6.3	6.08	5.4	4.52
8	7.38	7.61	7.76	7.71	7.59	7.43	6.75	5.7
10	7.75	7.96	8.19	8.19	8.24	8.11	7.71	6.81
12	7.89	8.12	8.47	8.65	8.78	8.73	8.27	7.68
14	7.97	8.21	8.65	9.03	9.14	9.38	8.87	8.21
16	8.04	8.28	8.76	9.27	9.46	9.9	9.55	8.77
20	8.18	8.48	8.97	9.53	10.25	10.7	11.32	10.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.11	141.5°	3.91
8	41.1°	5	145.7°	4.93
10	38.8°	5.43	148.4°	5.9
12	38.1°	5.62	155.6°	6.73
14	37.6°	5.72	164.9°	7.37
16	37°	5.83	176.3°	7.93
20	37°	5.91	175.4°	8.95

Loading polar chart…