Doubletime: ORC Rating

GPH

602.4

OSN

586.7

LOA

10.757 m

Displacement

5118 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6941

Medium

0.9112

High

1.0156

Triple Offshore

Low

0.8898

Medium

1.1163

High

1.2249

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 5118 kg
Crew weight: 620 kg
Wetted surface: 26.25 m²

Sails

Mainsail: 37.74 m²
Genoa: 42.14 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 119.72 m²

Design

Type: J-109
Builder: J Boats
Designer: Johnstone
Year built: 2001
Stability index: 118.2

Performance data

Polar CSV

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

6,42.4,5.051084,52,5.64,60,5.91,75,6.08,90,6.17,110,5.96,120,5.78,135,5.18,144.2,4.697534,150,4.4
8,40.6,5.926735,52,6.58,60,6.77,75,6.89,90,7.06,110,7,120,6.91,135,6.44,147.8,5.684281,150,5.56
10,38.7,6.368281,52,7.03,60,7.18,75,7.3,90,7.49,110,7.53,120,7.5,135,7.22,148.7,6.612372,150,6.53
12,37.6,6.525391,52,7.22,60,7.39,75,7.56,90,7.77,110,7.9,120,7.95,135,7.71,150,7.17,150.2,7.156312
14,37.5,6.64269,52,7.31,60,7.49,75,7.75,90,7.95,110,8.23,120,8.34,135,8.18,150,7.53,150.5,7.49119
16,37.2,6.691525,52,7.37,60,7.56,75,7.86,90,8.1,110,8.56,120,8.72,135,8.66,150,7.85,173.6,7.053961
20,37.5,6.756132,52,7.43,60,7.64,75,8.01,90,8.39,110,9.12,120,9.34,135,9.88,150,8.53,175.7,7.75182

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.64	5.91	6.08	6.17	5.96	5.78	5.18	4.4
8	6.58	6.77	6.89	7.06	7	6.91	6.44	5.56
10	7.03	7.18	7.3	7.49	7.53	7.5	7.22	6.53
12	7.22	7.39	7.56	7.77	7.9	7.95	7.71	7.17
14	7.31	7.49	7.75	7.95	8.23	8.34	8.18	7.53
16	7.37	7.56	7.86	8.1	8.56	8.72	8.66	7.85
20	7.43	7.64	8.01	8.39	9.12	9.34	9.88	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.73	144.2°	3.81
8	40.6°	4.5	147.8°	4.81
10	38.7°	4.97	148.7°	5.65
12	37.6°	5.17	150.2°	6.21
14	37.5°	5.27	150.5°	6.52
16	37.2°	5.33	173.6°	7.01
20	37.5°	5.36	175.7°	7.73

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°	5.64	6.58	7.03	7.22	7.31	7.37	7.43
60°	5.91	6.77	7.18	7.39	7.49	7.56	7.64
75°	6.08	6.89	7.30	7.56	7.75	7.86	8.01
90°	6.17	7.06	7.49	7.77	7.95	8.10	8.39
110°	5.96	7.00	7.53	7.90	8.23	8.56	9.12
120°	5.78	6.91	7.50	7.95	8.34	8.72	9.34
135°	5.18	6.44	7.22	7.71	8.18	8.66	9.88
150°	4.40	5.56	6.53	7.17	7.53	7.85	8.53