Primo Volente — ORC Rating

GPH

681.6

OSN

661.5

LOA

11.3 m

Displacement

6800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5802

Medium

0.7976

High

0.9386

Triple Offshore

Low

0.7545

Medium

0.9992

High

1.136

Boat Specifications

Dimensions

Length overall: 11.3 m
Beam: 3.8 m
Draft: 1.59 m
Displacement: 6800 kg
Crew weight: 651 kg
Wetted surface: 29.01 m²

Sails

Mainsail: 33.61 m²
Genoa: 28.31 m²
Spinnaker: 80.26 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 375 (SK)
Builder: BENETEAU
Designer: BERRET
Year built: 1985

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.

6,45,4.115361,52,4.58,60,4.92,75,5.16,90,5.18,110,5.27,120,5.12,135,4.66,146,4.14939,150,3.98
8,45,4.96389,52,5.45,60,5.8,75,6.09,90,6.23,110,6.4,120,6.23,135,5.72,150,5.02,151,4.97359
10,43.9,5.52355,52,6.12,60,6.48,75,6.74,90,6.95,110,7.07,120,6.99,135,6.62,150,5.9,153,5.74631
12,43.5,6.010689,52,6.62,60,6.87,75,7.08,90,7.3,110,7.44,120,7.38,135,7.14,150,6.68,156,6.392676
14,42.8,6.296595,52,6.88,60,7.1,75,7.3,90,7.5,110,7.77,120,7.72,135,7.48,150,7.14,174,6.515694
16,42.4,6.378179,52,7,60,7.23,75,7.48,90,7.62,110,8.09,120,8.07,135,7.82,150,7.46,180,7
20,43.1,6.409534,52,7.02,60,7.3,75,7.73,90,8,110,8.51,120,8.74,135,8.54,150,8.11,180,7.63

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.58	4.92	5.16	5.18	5.27	5.12	4.66	3.98
8	5.45	5.8	6.09	6.23	6.4	6.23	5.72	5.02
10	6.12	6.48	6.74	6.95	7.07	6.99	6.62	5.9
12	6.62	6.87	7.08	7.3	7.44	7.38	7.14	6.68
14	6.88	7.1	7.3	7.5	7.77	7.72	7.48	7.14
16	7	7.23	7.48	7.62	8.09	8.07	7.82	7.46
20	7.02	7.3	7.73	8	8.51	8.74	8.54	8.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.91	146°	3.44
8	45°	3.51	151°	4.35
10	43.9°	3.98	153°	5.12
12	43.5°	4.36	156°	5.84
14	42.8°	4.62	174°	6.48
16	42.4°	4.71	180°	7
20	43.1°	4.68	180°	7.63

Loading polar chart…