Skeef: ORC Rating

GPH

621.7

OSN

604

LOA

10.64 m

Displacement

5777 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6674

Medium

0.8904

High

1.0083

Triple Offshore

Low

0.8538

Medium

1.0856

High

1.1969

Boat Specifications

Dimensions

Length overall: 10.64 m
Beam: 3.46 m
Draft: 2.23 m
Displacement: 5777 kg
Crew weight: 628 kg
Wetted surface: 26.81 m²

Sails

Mainsail: 37.92 m²
Genoa: 39.26 m²
Spinnaker: 99.7 m²
Asymmetric spinnaker: 86.01 m²

Design

Type: First 36.7
Builder: Beneteau
Designer: B. Farr
Year built: 2001

Performance data

Polar CSV

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

6,42.4,4.875041,52,5.43,60,5.69,75,5.85,90,5.73,110,5.69,120,5.53,135,4.99,143.9,4.517383,150,4.22
8,40.5,5.694327,52,6.34,60,6.55,75,6.69,90,6.66,110,6.77,120,6.65,135,6.15,148.7,5.418634,150,5.34
10,39.1,6.185197,52,6.86,60,7.03,75,7.15,90,7.19,110,7.34,120,7.28,135,6.95,150,6.3,152.1,6.178109
12,38.2,6.375207,52,7.08,60,7.26,75,7.42,90,7.46,110,7.71,120,7.69,135,7.43,150,6.99,157.8,6.653198
14,37.9,6.46319,52,7.16,60,7.35,75,7.6,90,7.72,110,8.02,120,8.06,135,7.83,150,7.43,170.4,6.845869
16,37.8,6.505053,52,7.21,60,7.41,75,7.71,90,7.93,110,8.25,120,8.4,135,8.23,150,7.81,177.2,7.248654
20,37.9,6.539227,52,7.27,60,7.48,75,7.85,90,8.2,110,8.59,120,9,135,9.07,150,8.57,178.1,7.954373
24,39,6.523871,52,7.25,60,7.47,75,7.92,90,8.37,110,8.72,120,9.41,135,10.16,150,9.51,177.7,8.67699

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.43	5.69	5.85	5.73	5.69	5.53	4.99	4.22
8	6.34	6.55	6.69	6.66	6.77	6.65	6.15	5.34
10	6.86	7.03	7.15	7.19	7.34	7.28	6.95	6.3
12	7.08	7.26	7.42	7.46	7.71	7.69	7.43	6.99
14	7.16	7.35	7.6	7.72	8.02	8.06	7.83	7.43
16	7.21	7.41	7.71	7.93	8.25	8.4	8.23	7.81
20	7.27	7.48	7.85	8.2	8.59	9	9.07	8.57
24	7.25	7.47	7.92	8.37	8.72	9.41	10.16	9.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.6	143.9°	3.65
8	40.5°	4.33	148.7°	4.63
10	39.1°	4.8	152.1°	5.46
12	38.2°	5.01	157.8°	6.16
14	37.9°	5.1	170.4°	6.75
16	37.8°	5.14	177.2°	7.24
20	37.9°	5.16	178.1°	7.95
24	39°	5.07	177.7°	8.67

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.43	6.34	6.86	7.08	7.16	7.21	7.27	7.25
60°	5.69	6.55	7.03	7.26	7.35	7.41	7.48	7.47
75°	5.85	6.69	7.15	7.42	7.60	7.71	7.85	7.92
90°	5.73	6.66	7.19	7.46	7.72	7.93	8.20	8.37
110°	5.69	6.77	7.34	7.71	8.02	8.25	8.59	8.72
120°	5.53	6.65	7.28	7.69	8.06	8.40	9.00	9.41
135°	4.99	6.15	6.95	7.43	7.83	8.23	9.07	10.16
150°	4.22	5.34	6.30	6.99	7.43	7.81	8.57	9.51