Zeta — ORC Rating | RegattaPages

GPH

580.7

OSN

565.9

LOA

10.465 m

Displacement

3305 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7242

Medium

0.9475

High

1.0678

Triple Offshore

Low

0.9261

Medium

1.1534

High

1.2871

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: 30.75 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.

6,41.4,5.225893,52,5.91,60,6.21,75,6.44,90,6.36,110,6.19,120,6.01,135,5.42,143,4.958457,150,4.57
8,39.9,6.165556,52,6.85,60,7.03,75,7.14,90,7.12,110,7.19,120,7.1,135,6.66,146.5,5.936064,150,5.72
10,37.5,6.504038,52,7.2,60,7.37,75,7.55,90,7.54,110,7.74,120,7.68,135,7.34,150,6.71,152,6.602883
12,36.6,6.626662,52,7.32,60,7.53,75,7.88,90,7.98,110,8.16,120,8.31,135,7.91,150,7.33,159.5,6.939461
14,36,6.674767,52,7.39,60,7.63,75,8.06,90,8.39,110,8.5,120,8.86,135,8.56,150,7.85,180,7.09
16,36,6.699488,52,7.43,60,7.68,75,8.18,90,8.69,110,8.85,120,9.26,135,9.31,150,8.43,180,7.57
20,36.2,6.790916,52,7.53,60,7.83,75,8.28,90,8.95,110,9.59,120,10.14,135,11.26,150,9.92,180,8.64

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.91	6.21	6.44	6.36	6.19	6.01	5.42	4.57
8	6.85	7.03	7.14	7.12	7.19	7.1	6.66	5.72
10	7.2	7.37	7.55	7.54	7.74	7.68	7.34	6.71
12	7.32	7.53	7.88	7.98	8.16	8.31	7.91	7.33
14	7.39	7.63	8.06	8.39	8.5	8.86	8.56	7.85
16	7.43	7.68	8.18	8.69	8.85	9.26	9.31	8.43
20	7.53	7.83	8.28	8.95	9.59	10.14	11.26	9.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.4°	3.92	143°	3.96
8	39.9°	4.73	146.5°	4.95
10	37.5°	5.16	152°	5.83
12	36.6°	5.32	159.5°	6.5
14	36°	5.4	180°	7.09
16	36°	5.42	180°	7.57
20	36.2°	5.48	180°	8.64

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