FUN-RUN: ORC Rating

GPH

761.3

OSN

738.3

LOA

7.85 m

Displacement

1494 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5911

Medium

0.8124

High

0.9434

Triple Offshore

Low

0.7664

Medium

1.0036

High

1.1389

Boat Specifications

Dimensions

Length overall: 7.85 m
Beam: 2.49 m
Draft: 1.36 m
Displacement: 1494 kg
Crew weight: 320 kg
Wetted surface: 12.38 m²

Sails

Mainsail: 15.64 m²
Genoa: 9.99 m²
Spinnaker: 30.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: Gibb Sea 80 PLUS
Builder: Gib'Sea Marine
Designer: Berret-Racoupeau
Year built: 1978

Performance data

Polar CSV

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

6,44.2,3.710365,52,4.11,60,4.37,75,4.56,90,4.75,110,4.78,120,4.62,135,4.15,148.1,3.616139,150,3.54
8,43.3,4.424458,52,4.93,60,5.21,75,5.41,90,5.68,110,5.72,120,5.58,135,5.11,150,4.49,151.6,4.422221
10,42.7,4.939349,52,5.47,60,5.7,75,5.87,90,6.13,110,6.18,120,6.09,135,5.82,150,5.29,153.9,5.133473
12,41.3,5.271115,52,5.8,60,5.97,75,6.13,90,6.44,110,6.56,120,6.46,135,6.21,150,5.89,168.9,5.370467
14,40.2,5.472665,52,5.99,60,6.16,75,6.35,90,6.67,110,6.95,120,6.85,135,6.57,150,6.23,180,5.81
16,40.2,5.55122,52,6.09,60,6.3,75,6.57,90,6.8,110,7.31,120,7.25,135,6.95,150,6.57,180,6.17
20,42.1,5.579696,52,6.08,60,6.36,75,6.85,90,7.18,110,7.79,120,8.16,135,7.8,150,7.29,180,6.82

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.11	4.37	4.56	4.75	4.78	4.62	4.15	3.54
8	4.93	5.21	5.41	5.68	5.72	5.58	5.11	4.49
10	5.47	5.7	5.87	6.13	6.18	6.09	5.82	5.29
12	5.8	5.97	6.13	6.44	6.56	6.46	6.21	5.89
14	5.99	6.16	6.35	6.67	6.95	6.85	6.57	6.23
16	6.09	6.3	6.57	6.8	7.31	7.25	6.95	6.57
20	6.08	6.36	6.85	7.18	7.79	8.16	7.8	7.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.66	148.1°	3.07
8	43.3°	3.22	151.6°	3.89
10	42.7°	3.63	153.9°	4.61
12	41.3°	3.96	168.9°	5.27
14	40.2°	4.18	180°	5.81
16	40.2°	4.24	180°	6.17
20	42.1°	4.14	180°	6.82

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°	4.11	4.93	5.47	5.80	5.99	6.09	6.08
60°	4.37	5.21	5.70	5.97	6.16	6.30	6.36
75°	4.56	5.41	5.87	6.13	6.35	6.57	6.85
90°	4.75	5.68	6.13	6.44	6.67	6.80	7.18
110°	4.78	5.72	6.18	6.56	6.95	7.31	7.79
120°	4.62	5.58	6.09	6.46	6.85	7.25	8.16
135°	4.15	5.11	5.82	6.21	6.57	6.95	7.80
150°	3.54	4.49	5.29	5.89	6.23	6.57	7.29