MARIA MARIA — ORC Rating

GPH

616.5

OSN

596.9

LOA

11.97 m

Displacement

7164 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6594

Medium

0.9025

High

1.0427

Triple Offshore

Low

0.8493

Medium

1.1006

High

1.2264

Boat Specifications

Dimensions

Length overall: 11.97 m
Beam: 3.88 m
Draft: 2.17 m
Displacement: 7164 kg
Crew weight: 830 kg
Wetted surface: 30.9 m²

Sails

Mainsail: 40.01 m²
Genoa: 46.74 m²
Spinnaker: 96.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: VOLKER 39.5
Builder: AST. DURILUZ
Designer: NESTOR VOLKER
Year built: 1989

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.

6,42.9,4.94169,52,5.52,60,5.8,75,5.97,90,5.81,110,5.54,120,5.37,135,4.82,143.7,4.342818,150,4.05
8,40.9,5.821234,52,6.5,60,6.72,75,6.86,90,6.79,110,6.73,120,6.56,135,6.02,148.2,5.294786,150,5.19
10,39.2,6.37465,52,7.02,60,7.18,75,7.29,90,7.29,110,7.36,120,7.28,135,6.91,150,6.18,150.9,6.134322
12,37.8,6.618954,52,7.28,60,7.43,75,7.56,90,7.59,110,7.73,120,7.69,135,7.43,150,6.96,156.3,6.661843
14,37,6.723968,52,7.42,60,7.58,75,7.75,90,7.82,110,8.03,120,8.02,135,7.8,150,7.43,166.4,6.903569
16,36.8,6.818766,52,7.5,60,7.67,75,7.91,90,8.02,110,8.29,120,8.33,135,8.14,150,7.78,177.2,7.22863
20,36.5,6.891774,52,7.58,60,7.77,75,8.09,90,8.35,110,8.67,120,8.95,135,8.86,150,8.43,179,7.901203
24,36.9,6.915226,52,7.61,60,7.83,75,8.21,90,8.58,110,8.96,120,9.46,135,9.8,150,9.2,178.6,8.522544

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.52	5.8	5.97	5.81	5.54	5.37	4.82	4.05
8	6.5	6.72	6.86	6.79	6.73	6.56	6.02	5.19
10	7.02	7.18	7.29	7.29	7.36	7.28	6.91	6.18
12	7.28	7.43	7.56	7.59	7.73	7.69	7.43	6.96
14	7.42	7.58	7.75	7.82	8.03	8.02	7.8	7.43
16	7.5	7.67	7.91	8.02	8.29	8.33	8.14	7.78
20	7.58	7.77	8.09	8.35	8.67	8.95	8.86	8.43
24	7.61	7.83	8.21	8.58	8.96	9.46	9.8	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.62	143.7°	3.5
8	40.9°	4.4	148.2°	4.5
10	39.2°	4.94	150.9°	5.36
12	37.8°	5.23	156.3°	6.1
14	37°	5.37	166.4°	6.71
16	36.8°	5.46	177.2°	7.22
20	36.5°	5.54	179°	7.9
24	36.9°	5.53	178.6°	8.52

Loading polar chart…