Texas Ranger IV: ORC Rating

GPH

603.3

OSN

586.3

LOA

10.57 m

Displacement

4000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.684

Medium

0.9109

High

1.0251

Triple Offshore

Low

0.8793

Medium

1.118

High

1.2441

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2.01 m
Displacement: 4000 kg
Crew weight: 545 kg
Wetted surface: 24.11 m²

Sails

Mainsail: 34.79 m²
Genoa: 38.84 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 109.91 m²

Design

Type: J 105
Builder: TPI
Designer: Johnstone
Year built: 1991
Stability index: 115.1

Performance data

Polar CSV

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

6,42.7,5.034599,52,5.61,60,5.88,75,6.04,90,6.1,110,5.88,120,5.71,135,5.06,143.9,4.591642,150,4.28
8,40.5,5.904741,52,6.56,60,6.75,75,6.87,90,7.02,110,6.96,120,6.87,135,6.35,147.3,5.597076,150,5.44
10,38.2,6.349757,52,7.03,60,7.19,75,7.3,90,7.49,110,7.53,120,7.5,135,7.19,147.8,6.582421,150,6.43
12,37,6.523627,52,7.24,60,7.41,75,7.59,90,7.81,110,7.95,120,8,135,7.74,150,7.15,150.1,7.140412
14,36.6,6.639118,52,7.35,60,7.54,75,7.8,90,8.04,110,8.33,120,8.46,135,8.27,149.6,7.570895,150,7.55
16,36.4,6.721384,52,7.42,60,7.63,75,7.94,90,8.22,110,8.73,120,8.91,135,8.84,150,7.91,173.9,7.009689
20,36.3,6.799612,52,7.51,60,7.74,75,8.14,90,8.55,110,9.49,120,9.77,135,10.49,142.1,9.834186,150,8.96

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.88	6.04	6.1	5.88	5.71	5.06	4.28
8	6.56	6.75	6.87	7.02	6.96	6.87	6.35	5.44
10	7.03	7.19	7.3	7.49	7.53	7.5	7.19	6.43
12	7.24	7.41	7.59	7.81	7.95	8	7.74	7.15
14	7.35	7.54	7.8	8.04	8.33	8.46	8.27	7.55
16	7.42	7.63	7.94	8.22	8.73	8.91	8.84	7.91
20	7.51	7.74	8.14	8.55	9.49	9.77	10.49	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.7	143.9°	3.71
8	40.5°	4.49	147.3°	4.71
10	38.2°	4.99	147.8°	5.57
12	37°	5.21	150.1°	6.19
14	36.6°	5.33	149.6°	6.53
16	36.4°	5.41	173.9°	6.97
20	36.3°	5.48	142.1°	7.76

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°	5.61	6.56	7.03	7.24	7.35	7.42	7.51
60°	5.88	6.75	7.19	7.41	7.54	7.63	7.74
75°	6.04	6.87	7.30	7.59	7.80	7.94	8.14
90°	6.10	7.02	7.49	7.81	8.04	8.22	8.55
110°	5.88	6.96	7.53	7.95	8.33	8.73	9.49
120°	5.71	6.87	7.50	8.00	8.46	8.91	9.77
135°	5.06	6.35	7.19	7.74	8.27	8.84	10.49
150°	4.28	5.44	6.43	7.15	7.55	7.91	8.96