COMFORTABLY NUMB — ORC Rating

GPH

615.9

OSN

600.8

LOA

12.8 m

Displacement

8830 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6673

Medium

0.8832

High

0.9925

Triple Offshore

Low

0.8622

Medium

1.0962

High

1.2043

Boat Specifications

Dimensions

Length overall: 12.8 m
Beam: 3.98 m
Draft: 1.81 m
Displacement: 8830 kg
Crew weight: 980 kg
Wetted surface: 34.41 m²

Sails

Mainsail: 41.11 m²
Genoa: 64 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 126.94 m²

Design

Type: FIRST 42 SD TM
Builder: BENETEAU
Designer: FRERS
Year built: 1981
Stability index: 116.2

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.

6,44.7,5.022514,52,5.52,60,5.87,75,6.09,90,5.97,110,5.72,120,5.56,135,5.01,144.2,4.524921,150,4.24
8,43,5.879508,52,6.49,60,6.77,75,6.94,90,6.9,110,6.88,120,6.74,135,6.21,147.5,5.525311,150,5.39
10,41.7,6.388637,52,7.01,60,7.22,75,7.38,90,7.4,110,7.51,120,7.44,135,7.1,147.8,6.48788,150,6.33
12,40.8,6.591853,52,7.24,60,7.45,75,7.64,90,7.7,110,7.89,120,7.86,135,7.61,148.7,7.103912,150,7.01
14,40.2,6.677175,52,7.35,60,7.56,75,7.82,90,7.94,110,8.19,120,8.22,135,7.99,150,7.42,150.2,7.409836
16,39.9,6.739097,52,7.42,60,7.64,75,7.93,90,8.13,110,8.44,120,8.54,135,8.35,150,7.72,173,6.951818
20,39.9,6.778202,52,7.47,60,7.71,75,8.07,90,8.41,110,8.78,120,9.12,135,9.08,150,8.23,176.8,7.681978

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.52	5.87	6.09	5.97	5.72	5.56	5.01	4.24
8	6.49	6.77	6.94	6.9	6.88	6.74	6.21	5.39
10	7.01	7.22	7.38	7.4	7.51	7.44	7.1	6.33
12	7.24	7.45	7.64	7.7	7.89	7.86	7.61	7.01
14	7.35	7.56	7.82	7.94	8.19	8.22	7.99	7.42
16	7.42	7.64	7.93	8.13	8.44	8.54	8.35	7.72
20	7.47	7.71	8.07	8.41	8.78	9.12	9.08	8.23

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.57	144.2°	3.67
8	43°	4.3	147.5°	4.66
10	41.7°	4.77	147.8°	5.49
12	40.8°	4.99	148.7°	6.07
14	40.2°	5.1	150.2°	6.43
16	39.9°	5.17	173°	6.9
20	39.9°	5.2	176.8°	7.67

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