CUZCO: ORC Rating

GPH

663.2

OSN

647.4

LOA

7.85 m

Displacement

1405 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6355

Medium

0.822

High

0.923

Triple Offshore

Low

0.8119

Medium

1.0088

High

1.1284

Boat Specifications

Dimensions

Length overall: 7.85 m
Beam: 2.5 m
Draft: 1.85 m
Displacement: 1405 kg
Crew weight: 400 kg
Wetted surface: 14.04 m²

Sails

Mainsail: 21.74 m²
Genoa: 18.56 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 54.12 m²

Design

Type: FIRST CLASS 8 MOD
Builder: BENETEAU
Designer: FINOT
Year built: 1982

Performance data

Polar CSV

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

6,41.6,4.5868,52,5.15,60,5.4,75,5.57,90,5.53,110,5.55,120,5.36,135,4.77,144.5,4.286861,150,4.03
8,39.8,5.362604,52,5.93,60,6.07,75,6.18,90,6.28,110,6.34,120,6.23,135,5.83,147.8,5.176123,150,5.05
10,37.1,5.679653,52,6.26,60,6.4,75,6.55,90,6.66,110,6.91,120,6.79,135,6.42,149.2,5.914129,150,5.87
12,36.4,5.77716,52,6.38,60,6.58,75,6.9,90,7,110,7.46,120,7.41,135,6.96,150,6.32,151.5,6.247034
14,36,5.809519,52,6.44,60,6.68,75,7.1,90,7.41,110,7.83,120,8.1,135,7.57,150,6.71,177,6.038275
16,36,5.834241,52,6.47,60,6.73,75,7.21,90,7.72,110,8.17,120,8.69,135,8.31,150,7.16,177.5,6.426116
20,36.8,5.894611,52,6.57,60,6.88,75,7.31,90,7.96,110,8.79,120,9.63,135,10.7,135.9,10.638797,150,8.82

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.4	5.57	5.53	5.55	5.36	4.77	4.03
8	5.93	6.07	6.18	6.28	6.34	6.23	5.83	5.05
10	6.26	6.4	6.55	6.66	6.91	6.79	6.42	5.87
12	6.38	6.58	6.9	7	7.46	7.41	6.96	6.32
14	6.44	6.68	7.1	7.41	7.83	8.1	7.57	6.71
16	6.47	6.73	7.21	7.72	8.17	8.69	8.31	7.16
20	6.57	6.88	7.31	7.96	8.79	9.63	10.7	8.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.43	144.5°	3.49
8	39.8°	4.12	147.8°	4.38
10	37.1°	4.53	149.2°	5.08
12	36.4°	4.65	151.5°	5.49
14	36°	4.7	177°	6.03
16	36°	4.72	177.5°	6.42
20	36.8°	4.72	135.9°	7.64

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°	5.15	5.93	6.26	6.38	6.44	6.47	6.57
60°	5.40	6.07	6.40	6.58	6.68	6.73	6.88
75°	5.57	6.18	6.55	6.90	7.10	7.21	7.31
90°	5.53	6.28	6.66	7.00	7.41	7.72	7.96
110°	5.55	6.34	6.91	7.46	7.83	8.17	8.79
120°	5.36	6.23	6.79	7.41	8.10	8.69	9.63
135°	4.77	5.83	6.42	6.96	7.57	8.31	10.70
150°	4.03	5.05	5.87	6.32	6.71	7.16	8.82