CHIPIRON: ORC Rating

GPH

679

OSN

660.1

LOA

7.785 m

Displacement

1480 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6188

Medium

0.8149

High

0.9202

Triple Offshore

Low

0.7893

Medium

0.9877

High

1.1015

Boat Specifications

Dimensions

Length overall: 7.785 m
Beam: 2.5 m
Draft: 1.83 m
Displacement: 1480 kg
Crew weight: 280 kg
Wetted surface: 13.68 m²

Sails

Mainsail: 21.46 m²
Genoa: 18.14 m²
Spinnaker: 42.43 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST CLASS 8
Builder: BENETEAU
Designer: FINOT/FAROUX
Year built: 1984

Performance data

Polar CSV

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

6,40.9,4.630527,52,5.17,60,5.36,75,5.47,90,5.35,110,5.24,120,5.06,135,4.53,144.9,3.960155,150,3.74
8,38.5,5.302781,52,5.88,60,6.01,75,6.09,90,6.06,110,6.1,120,5.98,135,5.5,150,4.77,150.3,4.754605
10,36.5,5.585572,52,6.21,60,6.34,75,6.46,90,6.48,110,6.61,120,6.51,135,6.19,150,5.63,153.4,5.468855
12,36.3,5.720112,52,6.34,60,6.52,75,6.74,90,6.78,110,7.06,120,6.99,135,6.65,150,6.24,162.8,5.830761
14,36.2,5.78715,52,6.42,60,6.61,75,6.92,90,7.1,110,7.45,120,7.46,135,7.13,150,6.67,176.8,6.129557
16,36.3,5.831784,52,6.47,60,6.68,75,7.04,90,7.34,110,7.74,120,7.98,135,7.64,150,7.11,178.1,6.533592
20,36.8,5.869634,52,6.53,60,6.77,75,7.21,90,7.67,110,8.23,120,8.94,135,9.24,150,8.19,177.5,7.357002
24,38.1,5.909001,52,6.55,60,6.81,75,7.3,90,7.91,110,8.73,120,9.96,135,12.44,142.9,11.910972,150,10.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.17	5.36	5.47	5.35	5.24	5.06	4.53	3.74
8	5.88	6.01	6.09	6.06	6.1	5.98	5.5	4.77
10	6.21	6.34	6.46	6.48	6.61	6.51	6.19	5.63
12	6.34	6.52	6.74	6.78	7.06	6.99	6.65	6.24
14	6.42	6.61	6.92	7.1	7.45	7.46	7.13	6.67
16	6.47	6.68	7.04	7.34	7.74	7.98	7.64	7.11
20	6.53	6.77	7.21	7.67	8.23	8.94	9.24	8.19
24	6.55	6.81	7.3	7.91	8.73	9.96	12.44	10.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.9°	3.5	144.9°	3.24
8	38.5°	4.15	150.3°	4.13
10	36.5°	4.49	153.4°	4.89
12	36.3°	4.61	162.8°	5.57
14	36.2°	4.67	176.8°	6.12
16	36.3°	4.7	178.1°	6.53
20	36.8°	4.7	177.5°	7.35
24	38.1°	4.65	142.9°	9.5

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.17	5.88	6.21	6.34	6.42	6.47	6.53	6.55
60°	5.36	6.01	6.34	6.52	6.61	6.68	6.77	6.81
75°	5.47	6.09	6.46	6.74	6.92	7.04	7.21	7.30
90°	5.35	6.06	6.48	6.78	7.10	7.34	7.67	7.91
110°	5.24	6.10	6.61	7.06	7.45	7.74	8.23	8.73
120°	5.06	5.98	6.51	6.99	7.46	7.98	8.94	9.96
135°	4.53	5.50	6.19	6.65	7.13	7.64	9.24	12.44
150°	3.74	4.77	5.63	6.24	6.67	7.11	8.19	10.97