CHATIN: ORC Rating

GPH

600.9

OSN

585

LOA

12.24 m

Displacement

8068 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7518

Medium

1.0169

High

1.1623

Triple Offshore

Low

0.978

Medium

1.2713

High

1.415

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 1.98 m
Displacement: 8068 kg
Crew weight: 301 kg
Wetted surface: 34.75 m²

Sails

Mainsail: 50.45 m²
Genoa: 49.27 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 111.92 m²

Design

Type: FIRST 40 SD
Builder: BENETEAU
Designer: BRUCE FARR
Year built: 2008

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.9,4.899028,52,5.45,60,5.79,75,6.09,90,6.05,110,5.89,120,5.7,135,5.1,143.4,4.621225,150,4.29
8,42.3,5.813709,52,6.53,60,6.88,75,7.15,90,7.13,110,7.16,120,6.96,135,6.31,147.5,5.560882,150,5.42
10,41.7,6.509177,52,7.23,60,7.49,75,7.68,90,7.73,110,7.83,120,7.72,135,7.29,147.8,6.558786,150,6.41
12,40.8,6.803215,52,7.53,60,7.76,75,7.97,90,8.04,110,8.23,120,8.16,135,7.86,149,7.279792,150,7.21
14,40.1,6.915743,52,7.65,60,7.88,75,8.17,90,8.31,110,8.61,120,8.58,135,8.25,150,7.68,151.2,7.611491
16,39.9,6.973727,52,7.72,60,7.95,75,8.31,90,8.57,110,8.86,120,9.05,135,8.69,150,8.02,175.8,7.249469
20,39.7,7.031457,52,7.74,60,8,75,8.44,90,8.99,110,9.31,120,9.76,135,9.7,150,8.67,178.3,8.04354

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.79	6.09	6.05	5.89	5.7	5.1	4.29
8	6.53	6.88	7.15	7.13	7.16	6.96	6.31	5.42
10	7.23	7.49	7.68	7.73	7.83	7.72	7.29	6.41
12	7.53	7.76	7.97	8.04	8.23	8.16	7.86	7.21
14	7.65	7.88	8.17	8.31	8.61	8.58	8.25	7.68
16	7.72	7.95	8.31	8.57	8.86	9.05	8.69	8.02
20	7.74	8	8.44	8.99	9.31	9.76	9.7	8.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.53	143.4°	3.71
8	42.3°	4.3	147.5°	4.69
10	41.7°	4.86	147.8°	5.55
12	40.8°	5.15	149°	6.24
14	40.1°	5.29	151.2°	6.67
16	39.9°	5.35	175.8°	7.23
20	39.7°	5.41	178.3°	8.04

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.45	6.53	7.23	7.53	7.65	7.72	7.74
60°	5.79	6.88	7.49	7.76	7.88	7.95	8.00
75°	6.09	7.15	7.68	7.97	8.17	8.31	8.44
90°	6.05	7.13	7.73	8.04	8.31	8.57	8.99
110°	5.89	7.16	7.83	8.23	8.61	8.86	9.31
120°	5.70	6.96	7.72	8.16	8.58	9.05	9.76
135°	5.10	6.31	7.29	7.86	8.25	8.69	9.70
150°	4.29	5.42	6.41	7.21	7.68	8.02	8.67