Zeta — ORC Rating | RegattaPages

GPH

578.1

OSN

563.8

LOA

10.465 m

Displacement

3305 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8217

Medium

1.0698

High

1.2065

Triple Offshore

Low

1.0502

Medium

1.3013

High

1.4511

Boat Specifications

Dimensions

Length overall: 10.465 m
Beam: 3.13 m
Draft: 2.48 m
Displacement: 3305 kg
Crew weight: 700 kg
Wetted surface: 21.65 m²

Sails

Mainsail: 39.84 m²
Genoa: 34.8 m²
Spinnaker: 93.64 m²
Asymmetric spinnaker: 0 m²

Design

Type: N/M 34(MOD)
Builder: FRANKLIN
Designer: NELSON MAREK
Year built: 1997

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.

6,41.5,5.34077,52,6.02,60,6.32,75,6.54,90,6.47,110,6.18,120,6.01,135,5.41,142.8,4.95901,150,4.57
8,39.5,6.233601,52,6.92,60,7.08,75,7.2,90,7.18,110,7.18,120,7.09,135,6.65,146.5,5.924072,150,5.71
10,37.2,6.515763,52,7.21,60,7.4,75,7.59,90,7.59,110,7.74,120,7.67,135,7.33,150,6.71,151.6,6.616279
12,36.3,6.638308,52,7.34,60,7.54,75,7.89,90,8.03,110,8.16,120,8.3,135,7.9,150,7.33,159.4,6.944003
14,35.7,6.698818,52,7.41,60,7.64,75,8.06,90,8.42,110,8.51,120,8.85,135,8.54,150,7.84,180,7.08
16,35.4,6.710604,52,7.44,60,7.7,75,8.17,90,8.68,110,8.83,120,9.26,135,9.29,150,8.42,180,7.56
20,35.8,6.805876,52,7.56,60,7.85,75,8.28,90,8.92,110,9.62,120,10.1,135,11.24,150,9.91,180,8.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.02	6.32	6.54	6.47	6.18	6.01	5.41	4.57
8	6.92	7.08	7.2	7.18	7.18	7.09	6.65	5.71
10	7.21	7.4	7.59	7.59	7.74	7.67	7.33	6.71
12	7.34	7.54	7.89	8.03	8.16	8.3	7.9	7.33
14	7.41	7.64	8.06	8.42	8.51	8.85	8.54	7.84
16	7.44	7.7	8.17	8.68	8.83	9.26	9.29	8.42
20	7.56	7.85	8.28	8.92	9.62	10.1	11.24	9.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	4	142.8°	3.95
8	39.5°	4.81	146.5°	4.94
10	37.2°	5.19	151.6°	5.82
12	36.3°	5.35	159.4°	6.5
14	35.7°	5.44	180°	7.08
16	35.4°	5.47	180°	7.56
20	35.8°	5.52	180°	8.62

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