TREBOLISIMO — ORC Rating

GPH

710.5

OSN

691

LOA

9.046 m

Displacement

3217 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6601

Medium

0.8789

High

0.9893

Triple Offshore

Low

0.8408

Medium

1.0681

High

1.1754

Boat Specifications

Dimensions

Length overall: 9.046 m
Beam: 3.1 m
Draft: 1.64 m
Displacement: 3217 kg
Crew weight: 300 kg
Wetted surface: 17.94 m²

Sails

Mainsail: 17.65 m²
Genoa: 32.91 m²
Spinnaker: 65.9 m²
Asymmetric spinnaker: 0 m²

Design

Type: SHAMROCK
Builder: SOUTH COAST B.Y.
Designer: R.HOLLAND
Year built: 1975

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.

6,41.5,4.192504,52,4.69,60,4.9,75,5.06,90,4.99,110,4.94,120,4.81,135,4.41,147.8,3.876184,150,3.79
8,40.9,4.921589,52,5.52,60,5.73,75,5.86,90,5.83,110,5.93,120,5.82,135,5.39,150,4.73,151.3,4.674249
10,40.5,5.457611,52,5.98,60,6.12,75,6.23,90,6.28,110,6.39,120,6.34,135,6.11,150,5.58,151.8,5.491865
12,39.5,5.650416,52,6.18,60,6.32,75,6.45,90,6.51,110,6.72,120,6.68,135,6.48,150,6.16,163.2,5.734763
14,39.2,5.729443,52,6.27,60,6.44,75,6.63,90,6.71,110,7.02,120,7.02,135,6.81,150,6.49,180,6.04
16,39.1,5.759965,52,6.31,60,6.5,75,6.78,90,6.91,110,7.22,120,7.34,135,7.15,150,6.79,180,6.39
20,40.3,5.769218,52,6.31,60,6.52,75,6.91,90,7.22,110,7.48,120,7.75,135,7.8,150,7.42,180,6.98

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.9	5.06	4.99	4.94	4.81	4.41	3.79
8	5.52	5.73	5.86	5.83	5.93	5.82	5.39	4.73
10	5.98	6.12	6.23	6.28	6.39	6.34	6.11	5.58
12	6.18	6.32	6.45	6.51	6.72	6.68	6.48	6.16
14	6.27	6.44	6.63	6.71	7.02	7.02	6.81	6.49
16	6.31	6.5	6.78	6.91	7.22	7.34	7.15	6.79
20	6.31	6.52	6.91	7.22	7.48	7.75	7.8	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	3.14	147.8°	3.28
8	40.9°	3.72	151.3°	4.1
10	40.5°	4.15	151.8°	4.84
12	39.5°	4.36	163.2°	5.49
14	39.2°	4.44	180°	6.04
16	39.1°	4.47	180°	6.39
20	40.3°	4.4	180°	6.98

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