Skipjack — ORC Rating

GPH

714.4

OSN

689.8

LOA

8.03 m

Displacement

1735 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5611

Medium

0.7756

High

0.8981

Triple Offshore

Low

0.7241

Medium

0.9516

High

1.0821

Boat Specifications

Dimensions

Length overall: 8.03 m
Beam: 2.77 m
Draft: 1.43 m
Displacement: 1735 kg
Crew weight: 421 kg
Wetted surface: 15.59 m²

Sails

Mainsail: 19.83 m²
Genoa: 17.92 m²
Spinnaker: 44.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: S80
Builder: SWARBRICK
Designer: SWARBRICK
Year built: 1980
Stability index: 92.1

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.

6,43.2,4.060531,52,4.53,60,4.78,75,4.93,90,4.92,110,4.96,120,4.81,135,4.29,146.9,3.712463,150,3.59
8,41.5,4.806693,52,5.37,60,5.6,75,5.73,90,5.86,110,5.92,120,5.78,135,5.26,150,4.6,151.4,4.544507
10,40.3,5.323415,52,5.89,60,6.07,75,6.2,90,6.4,110,6.49,120,6.38,135,6.05,150,5.47,153.2,5.321617
12,38.8,5.632986,52,6.22,60,6.37,75,6.52,90,6.76,110,6.96,120,6.85,135,6.53,150,6.13,161.9,5.754771
14,38.2,5.764408,52,6.4,60,6.59,75,6.82,90,6.94,110,7.4,120,7.32,135,6.98,150,6.56,175.4,6.059518
16,38.8,5.863951,52,6.47,60,6.7,75,7.05,90,7.17,110,7.77,120,7.81,135,7.44,150,6.98,177.2,6.467722
20,40,5.926549,52,6.51,60,6.78,75,7.26,90,7.68,110,8.28,120,8.9,135,8.68,150,7.89,177.5,7.236888

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.53	4.78	4.93	4.92	4.96	4.81	4.29	3.59
8	5.37	5.6	5.73	5.86	5.92	5.78	5.26	4.6
10	5.89	6.07	6.2	6.4	6.49	6.38	6.05	5.47
12	6.22	6.37	6.52	6.76	6.96	6.85	6.53	6.13
14	6.4	6.59	6.82	6.94	7.4	7.32	6.98	6.56
16	6.47	6.7	7.05	7.17	7.77	7.81	7.44	6.98
20	6.51	6.78	7.26	7.68	8.28	8.9	8.68	7.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.96	146.9°	3.11
8	41.5°	3.6	151.4°	3.99
10	40.3°	4.06	153.2°	4.75
12	38.8°	4.39	161.9°	5.47
14	38.2°	4.53	175.4°	6.04
16	38.8°	4.57	177.2°	6.46
20	40°	4.54	177.5°	7.23

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