Follow Me — ORC Rating

GPH

783.4

OSN

753.6

LOA

8.6 m

Displacement

3274 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5

Medium

0.7063

High

0.8492

Triple Offshore

Low

0.6455

Medium

0.8749

High

1.0089

Boat Specifications

Dimensions

Length overall: 8.6 m
Beam: 2.94 m
Draft: 1.58 m
Displacement: 3274 kg
Crew weight: 407 kg
Wetted surface: 18.23 m²

Sails

Mainsail: 17.09 m²
Genoa: 23.73 m²
Spinnaker: 41.84 m²
Asymmetric spinnaker: 0 m²

Design

Type: Gib Sea 28
Builder: Gibert Marine
Designer: Joubert
Year built: 1978
Stability index: 131.7

Velocity Prediction

Polar CSV

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

6,45.4,3.645929,52,3.98,60,4.23,75,4.39,90,4.3,110,4.38,120,4.24,135,3.79,147.8,3.34439,150,3.27
8,43.9,4.385532,52,4.84,60,5.1,75,5.26,90,5.29,110,5.38,120,5.24,135,4.78,150,4.23,151.4,4.180035
10,42.7,4.912135,52,5.43,60,5.66,75,5.83,90,5.95,110,6.04,120,5.95,135,5.58,150,5.04,155,4.843829
12,41.4,5.265887,52,5.81,60,5.99,75,6.15,90,6.31,110,6.41,120,6.34,135,6.1,150,5.71,159.5,5.370075
14,40.2,5.511943,52,6.05,60,6.21,75,6.37,90,6.56,110,6.71,120,6.63,135,6.44,150,6.15,173,5.642055
16,39.4,5.668189,52,6.2,60,6.36,75,6.55,90,6.75,110,6.97,120,6.92,135,6.73,150,6.46,178.1,6.043323
20,39.4,5.758777,52,6.33,60,6.53,75,6.82,90,6.96,110,7.42,120,7.45,135,7.29,150,6.99,179,6.621008

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.98	4.23	4.39	4.3	4.38	4.24	3.79	3.27
8	4.84	5.1	5.26	5.29	5.38	5.24	4.78	4.23
10	5.43	5.66	5.83	5.95	6.04	5.95	5.58	5.04
12	5.81	5.99	6.15	6.31	6.41	6.34	6.1	5.71
14	6.05	6.21	6.37	6.56	6.71	6.63	6.44	6.15
16	6.2	6.36	6.55	6.75	6.97	6.92	6.73	6.46
20	6.33	6.53	6.82	6.96	7.42	7.45	7.29	6.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.56	147.8°	2.83
8	43.9°	3.16	151.4°	3.67
10	42.7°	3.61	155°	4.39
12	41.4°	3.95	159.5°	5.03
14	40.2°	4.21	173°	5.6
16	39.4°	4.38	178.1°	6.04
20	39.4°	4.45	179°	6.62

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