STARGAZER: ORC Rating

GPH

640.6

OSN

623.6

LOA

11.293 m

Displacement

6680 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6399

Medium

0.853

High

0.9614

Triple Offshore

Low

0.8263

Medium

1.0558

High

1.1608

Boat Specifications

Dimensions

Length overall: 11.293 m
Beam: 3.73 m
Draft: 1.89 m
Displacement: 6680 kg
Crew weight: 624 kg
Wetted surface: 28.63 m²

Sails

Mainsail: 37.35 m²
Genoa: 40.53 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 91.47 m²

Design

Type: FIRST 38 S5
Builder: BENETEAU
Designer: JEAN BERRET
Year built: 1989
Stability index: 115.7

Performance data

Polar CSV

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

6,44.2,4.742572,52,5.25,60,5.56,75,5.77,90,5.64,110,5.54,120,5.37,135,4.81,143.9,4.35649,150,4.07
8,42,5.57092,52,6.2,60,6.45,75,6.63,90,6.59,110,6.67,120,6.53,135,6.01,146.9,5.371731,150,5.19
10,40.6,6.071611,52,6.71,60,6.91,75,7.06,90,7.1,110,7.24,120,7.16,135,6.84,147.8,6.275163,150,6.13
12,40,6.305117,52,6.96,60,7.15,75,7.32,90,7.39,110,7.59,120,7.55,135,7.31,149.2,6.810562,150,6.76
14,39.4,6.392889,52,7.07,60,7.27,75,7.5,90,7.6,110,7.88,120,7.88,135,7.66,150,7.14,164,6.449857
16,39.4,6.470535,52,7.14,60,7.34,75,7.62,90,7.79,110,8.12,120,8.2,135,7.99,150,7.42,174.5,6.781219
20,39.4,6.496418,52,7.19,60,7.41,75,7.76,90,8.07,110,8.46,120,8.8,135,8.73,150,7.92,177.2,7.438881

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.56	5.77	5.64	5.54	5.37	4.81	4.07
8	6.2	6.45	6.63	6.59	6.67	6.53	6.01	5.19
10	6.71	6.91	7.06	7.1	7.24	7.16	6.84	6.13
12	6.96	7.15	7.32	7.39	7.59	7.55	7.31	6.76
14	7.07	7.27	7.5	7.6	7.88	7.88	7.66	7.14
16	7.14	7.34	7.62	7.79	8.12	8.2	7.99	7.42
20	7.19	7.41	7.76	8.07	8.46	8.8	8.73	7.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.4	143.9°	3.52
8	42°	4.14	146.9°	4.5
10	40.6°	4.61	147.8°	5.31
12	40°	4.83	149.2°	5.85
14	39.4°	4.94	164°	6.2
16	39.4°	5	174.5°	6.75
20	39.4°	5.02	177.2°	7.43

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°	5.25	6.20	6.71	6.96	7.07	7.14	7.19
60°	5.56	6.45	6.91	7.15	7.27	7.34	7.41
75°	5.77	6.63	7.06	7.32	7.50	7.62	7.76
90°	5.64	6.59	7.10	7.39	7.60	7.79	8.07
110°	5.54	6.67	7.24	7.59	7.88	8.12	8.46
120°	5.37	6.53	7.16	7.55	7.88	8.20	8.80
135°	4.81	6.01	6.84	7.31	7.66	7.99	8.73
150°	4.07	5.19	6.13	6.76	7.14	7.42	7.92