HIBISCUS: ORC Rating

GPH

723.1

OSN

696.7

LOA

9.75 m

Displacement

3900 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5379

Medium

0.7623

High

0.9027

Triple Offshore

Low

0.6991

Medium

0.9492

High

1.0843

Boat Specifications

Dimensions

Length overall: 9.75 m
Beam: 3.3 m
Draft: 1.67 m
Displacement: 3900 kg
Crew weight: 600 kg
Wetted surface: 21.43 m²

Sails

Mainsail: 24.66 m²
Genoa: 22.48 m²
Spinnaker: 71.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: GIBSEA 96
Builder: GIBERT MARINE
Designer: JOUBERT/NIVELT
Year built: 1983
Stability index: 115.9

Performance data

Polar CSV

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

6,45.6,3.801828,52,4.15,60,4.43,75,4.62,90,4.81,110,4.92,120,4.77,135,4.31,146.9,3.796024,150,3.67
8,43.6,4.556929,52,5.07,60,5.37,75,5.57,90,5.9,110,6.06,120,5.9,135,5.38,150,4.7,150.2,4.690207
10,42.9,5.173758,52,5.77,60,6.06,75,6.28,90,6.57,110,6.7,120,6.62,135,6.29,150,5.62,151.1,5.562761
12,42.4,5.687548,52,6.25,60,6.46,75,6.63,90,6.87,110,7.07,120,7.02,135,6.78,150,6.38,156.5,6.10647
14,41.2,5.927581,52,6.5,60,6.68,75,6.86,90,7.01,110,7.41,120,7.4,135,7.15,150,6.81,169.4,6.297464
16,40.6,5.992588,52,6.6,60,6.81,75,7.05,90,7.15,110,7.69,120,7.78,135,7.54,150,7.14,177.2,6.657949
20,41.2,6.020614,52,6.63,60,6.87,75,7.29,90,7.59,110,8.01,120,8.36,135,8.35,150,7.88,178.1,7.304016

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.15	4.43	4.62	4.81	4.92	4.77	4.31	3.67
8	5.07	5.37	5.57	5.9	6.06	5.9	5.38	4.7
10	5.77	6.06	6.28	6.57	6.7	6.62	6.29	5.62
12	6.25	6.46	6.63	6.87	7.07	7.02	6.78	6.38
14	6.5	6.68	6.86	7.01	7.41	7.4	7.15	6.81
16	6.6	6.81	7.05	7.15	7.69	7.78	7.54	7.14
20	6.63	6.87	7.29	7.59	8.01	8.36	8.35	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.6°	2.66	146.9°	3.18
8	43.6°	3.3	150.2°	4.07
10	42.9°	3.79	151.1°	4.87
12	42.4°	4.2	156.5°	5.6
14	41.2°	4.46	169.4°	6.19
16	40.6°	4.55	177.2°	6.65
20	41.2°	4.53	178.1°	7.3

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°	4.15	5.07	5.77	6.25	6.50	6.60	6.63
60°	4.43	5.37	6.06	6.46	6.68	6.81	6.87
75°	4.62	5.57	6.28	6.63	6.86	7.05	7.29
90°	4.81	5.90	6.57	6.87	7.01	7.15	7.59
110°	4.92	6.06	6.70	7.07	7.41	7.69	8.01
120°	4.77	5.90	6.62	7.02	7.40	7.78	8.36
135°	4.31	5.38	6.29	6.78	7.15	7.54	8.35
150°	3.67	4.70	5.62	6.38	6.81	7.14	7.88