ALLEN: ORC Rating

GPH

622.1

OSN

604.4

LOA

7.49 m

Displacement

1109 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6629

Medium

0.8693

High

1.0158

Triple Offshore

Low

0.8501

Medium

1.0788

High

1.2497

Boat Specifications

Dimensions

Length overall: 7.49 m
Beam: 2.58 m
Draft: 1.96 m
Displacement: 1109 kg
Crew weight: 340 kg
Wetted surface: 14.05 m²

Sails

Mainsail: 21.22 m²
Genoa: 19.72 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 69.49 m²

Design

Type: FIRST CLASS 7.5
Builder: BENETEAU
Designer: FINOT
Year built: 2003

Performance data

Polar CSV

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

6,42.4,4.726081,52,5.31,60,5.61,75,5.84,90,5.8,110,5.89,120,5.74,135,5.07,143.5,4.60281,150,4.27
8,40.9,5.636013,52,6.19,60,6.35,75,6.47,90,6.59,110,6.74,120,6.64,135,6.24,147,5.568337,150,5.4
10,37.5,5.936825,52,6.56,60,6.76,75,6.99,90,7.01,110,7.52,120,7.46,135,6.96,150,6.24693
12,36.4,6.02564,52,6.72,60,7.01,75,7.49,90,7.6,110,8.04,120,8.38,135,7.79,148.5,6.978325,150,6.87
14,36.2,6.07217,52,6.81,60,7.15,75,7.77,90,8.24,110,8.54,120,9.04,135,8.88,145.2,8.01316,150,7.6
16,36,6.118536,52,6.87,60,7.23,75,7.93,90,8.67,110,9.04,120,9.59,135,10.1,144.2,9.136149,150,8.56
20,36.4,6.199576,52,7.08,60,7.52,75,8.22,90,9.1,110,10.06,120,10.79,135,12.45,141.4,12.744388,150,11.5

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.61	5.84	5.8	5.89	5.74	5.07	4.27
8	6.19	6.35	6.47	6.59	6.74	6.64	6.24	5.4
10	6.56	6.76	6.99	7.01	7.52	7.46	6.96	6.24
12	6.72	7.01	7.49	7.6	8.04	8.38	7.79	6.87
14	6.81	7.15	7.77	8.24	8.54	9.04	8.88	7.6
16	6.87	7.23	7.93	8.67	9.04	9.59	10.1	8.56
20	7.08	7.52	8.22	9.1	10.06	10.79	12.45	11.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.49	143.5°	3.7
8	40.9°	4.26	147°	4.67
10	37.5°	4.71	150°	5.41
12	36.4°	4.85	148.5°	5.95
14	36.2°	4.9	145.2°	6.58
16	36°	4.95	144.2°	7.41
20	36.4°	4.99	141.4°	9.96

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°	5.31	6.19	6.56	6.72	6.81	6.87	7.08
60°	5.61	6.35	6.76	7.01	7.15	7.23	7.52
75°	5.84	6.47	6.99	7.49	7.77	7.93	8.22
90°	5.80	6.59	7.01	7.60	8.24	8.67	9.10
110°	5.89	6.74	7.52	8.04	8.54	9.04	10.06
120°	5.74	6.64	7.46	8.38	9.04	9.59	10.79
135°	5.07	6.24	6.96	7.79	8.88	10.10	12.45
150°	4.27	5.40	6.24	6.87	7.60	8.56	11.50