Stinger: ORC Rating

GPH

606.2

OSN

589.9

LOA

10.57 m

Displacement

3890 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.674

Medium

0.9032

High

1.0174

Triple Offshore

Low

0.8722

Medium

1.1142

High

1.2413

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2.01 m
Displacement: 3890 kg
Crew weight: 390 kg
Wetted surface: 24.39 m²

Sails

Mainsail: 34.36 m²
Genoa: 39.66 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 109.96 m²

Design

Type: J/105
Builder: Tillotson-Pearson
Designer: Johnstone
Year built: 1991

Performance data

Polar CSV

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

6,42.8,4.906438,52,5.5,60,5.81,75,6.06,90,6,110,5.93,120,5.78,135,5.08,143.5,4.61525,150,4.28
8,41.2,5.834547,52,6.54,60,6.78,75,6.94,90,6.93,110,7.05,120,6.96,135,6.41,147,5.568337,150,5.4
10,39.8,6.39087,52,7.03,60,7.2,75,7.34,90,7.36,110,7.59,120,7.53,135,7.23,147.2,6.650276,150,6.45
12,38.2,6.527906,52,7.22,60,7.41,75,7.63,90,7.7,110,8.06,120,8.07,135,7.73,150,7.16,150.5,7.135014
14,37.9,6.64061,52,7.32,60,7.53,75,7.88,90,8.05,110,8.39,120,8.65,135,8.3,150,7.52,151,7.454669
16,37.5,6.693109,52,7.37,60,7.6,75,8.05,90,8.38,110,8.68,120,9.12,135,8.95,150,7.9,176.5,7.073193
20,37.5,6.730923,52,7.4,60,7.66,75,8.21,90,8.82,110,9.27,120,9.88,135,10.63,142.5,9.932523,150,9.1

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.81	6.06	6	5.93	5.78	5.08	4.28
8	6.54	6.78	6.94	6.93	7.05	6.96	6.41	5.4
10	7.03	7.2	7.34	7.36	7.59	7.53	7.23	6.45
12	7.22	7.41	7.63	7.7	8.06	8.07	7.73	7.16
14	7.32	7.53	7.88	8.05	8.39	8.65	8.3	7.52
16	7.37	7.6	8.05	8.38	8.68	9.12	8.95	7.9
20	7.4	7.66	8.21	8.82	9.27	9.88	10.63	9.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.6	143.5°	3.71
8	41.2°	4.39	147°	4.67
10	39.8°	4.91	147.2°	5.59
12	38.2°	5.13	150.5°	6.21
14	37.9°	5.24	151°	6.52
16	37.5°	5.31	176.5°	7.06
20	37.5°	5.34	142.5°	7.88

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°	5.50	6.54	7.03	7.22	7.32	7.37	7.40
60°	5.81	6.78	7.20	7.41	7.53	7.60	7.66
75°	6.06	6.94	7.34	7.63	7.88	8.05	8.21
90°	6.00	6.93	7.36	7.70	8.05	8.38	8.82
110°	5.93	7.05	7.59	8.06	8.39	8.68	9.27
120°	5.78	6.96	7.53	8.07	8.65	9.12	9.88
135°	5.08	6.41	7.23	7.73	8.30	8.95	10.63
150°	4.28	5.40	6.45	7.16	7.52	7.90	9.10