YELLOW — ORC Rating | RegattaPages

GPH

705.7

OSN

687

LOA

9.16 m

Displacement

3573 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5875

Medium

0.7857

High

0.8916

Triple Offshore

Low

0.7512

Medium

0.9559

High

1.0555

Boat Specifications

Dimensions

Length overall: 9.16 m
Beam: 3.01 m
Draft: 1.69 m
Displacement: 3573 kg
Crew weight: 440 kg
Wetted surface: 17.91 m²

Sails

Mainsail: 18.94 m²
Genoa: 28.85 m²
Spinnaker: 68.76 m²
Asymmetric spinnaker: 0 m²

Design

Type: Ziggurat 910
Builder: C.P.R.
Designer: A.Vallicelli & C.
Year built: 1977

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.

6,41.6,4.132131,52,4.66,60,4.9,75,5.08,90,5,110,5.06,120,4.93,135,4.52,148,3.962039,150,3.88
8,41.2,4.851047,52,5.47,60,5.73,75,5.9,90,5.89,110,6.04,120,5.95,135,5.51,150,4.82,152,4.722817
10,40.9,5.437562,52,5.98,60,6.14,75,6.27,90,6.34,110,6.48,120,6.44,135,6.22,150,5.67,151.5,5.609813
12,39.8,5.688004,52,6.21,60,6.35,75,6.49,90,6.53,110,6.78,120,6.77,135,6.58,150,6.26,162,5.867159
14,39,5.764683,52,6.32,60,6.48,75,6.67,90,6.72,110,7.06,120,7.1,135,6.9,150,6.58,180,6.13
16,38.8,5.812626,52,6.37,60,6.55,75,6.81,90,6.92,110,7.24,120,7.4,135,7.24,150,6.88,180,6.48
20,39.8,5.844197,52,6.39,60,6.58,75,6.95,90,7.24,110,7.48,120,7.78,135,7.89,150,7.52,180,7.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.66	4.9	5.08	5	5.06	4.93	4.52	3.88
8	5.47	5.73	5.9	5.89	6.04	5.95	5.51	4.82
10	5.98	6.14	6.27	6.34	6.48	6.44	6.22	5.67
12	6.21	6.35	6.49	6.53	6.78	6.77	6.58	6.26
14	6.32	6.48	6.67	6.72	7.06	7.1	6.9	6.58
16	6.37	6.55	6.81	6.92	7.24	7.4	7.24	6.88
20	6.39	6.58	6.95	7.24	7.48	7.78	7.89	7.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.09	148°	3.36
8	41.2°	3.65	152°	4.17
10	40.9°	4.11	151.5°	4.93
12	39.8°	4.37	162°	5.58
14	39°	4.48	180°	6.13
16	38.8°	4.53	180°	6.48
20	39.8°	4.49	180°	7.06

Loading polar chart…