TERRY II — ORC Rating

GPH

757.2

OSN

733.7

LOA

9.387 m

Displacement

5445 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.597

Medium

0.8136

High

0.9458

Triple Offshore

Low

0.7668

Medium

1.0118

High

1.1363

Boat Specifications

Dimensions

Length overall: 9.387 m
Beam: 3.02 m
Draft: 1.79 m
Displacement: 5445 kg
Crew weight: 468 kg
Wetted surface: 21.4 m²

Sails

Mainsail: 18.14 m²
Genoa: 32.22 m²
Spinnaker: 67.62 m²
Asymmetric spinnaker: 0 m²

Design

Type: CONTEST 31 HT
Builder: CONYPLEX
Designer: ZAAL DICK
Year built: 1974

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.

6,43.5,3.749788,52,4.17,60,4.4,75,4.59,90,4.56,110,4.68,120,4.54,135,4.1,148.5,3.624038,150,3.56
8,41.8,4.373045,52,4.89,60,5.15,75,5.38,90,5.47,110,5.67,120,5.56,135,5.08,150,4.48,152.7,4.366334
10,41.7,4.875186,52,5.51,60,5.79,75,6.01,90,6.16,110,6.31,120,6.25,135,5.98,150,5.33,150.6,5.302946
12,42.3,5.3405,52,5.93,60,6.15,75,6.33,90,6.46,110,6.63,120,6.6,135,6.42,150,6.06,157.5,5.758327
14,42.7,5.606094,52,6.13,60,6.33,75,6.51,90,6.57,110,6.87,120,6.87,135,6.71,150,6.44,180,5.9
16,42.4,5.674006,52,6.21,60,6.42,75,6.64,90,6.74,110,7.07,120,7.14,135,6.97,150,6.69,180,6.32
20,43.1,5.724755,52,6.24,60,6.47,75,6.78,90,7.01,110,7.29,120,7.55,135,7.53,150,7.2,180,6.83

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.17	4.4	4.59	4.56	4.68	4.54	4.1	3.56
8	4.89	5.15	5.38	5.47	5.67	5.56	5.08	4.48
10	5.51	5.79	6.01	6.16	6.31	6.25	5.98	5.33
12	5.93	6.15	6.33	6.46	6.63	6.6	6.42	6.06
14	6.13	6.33	6.51	6.57	6.87	6.87	6.71	6.44
16	6.21	6.42	6.64	6.74	7.07	7.14	6.97	6.69
20	6.24	6.47	6.78	7.01	7.29	7.55	7.53	7.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.72	148.5°	3.09
8	41.8°	3.26	152.7°	3.88
10	41.7°	3.64	150.6°	4.62
12	42.3°	3.95	157.5°	5.32
14	42.7°	4.12	180°	5.9
16	42.4°	4.19	180°	6.32
20	43.1°	4.18	180°	6.83

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