Polaris — ORC Rating | RegattaPages

GPH

708.1

OSN

685.2

LOA

8.98 m

Displacement

3469 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5596

Medium

0.7801

High

0.9168

Triple Offshore

Low

0.7261

Medium

0.9626

High

1.0943

Boat Specifications

Dimensions

Length overall: 8.98 m
Beam: 3.18 m
Draft: 1.85 m
Displacement: 3469 kg
Crew weight: 498 kg
Wetted surface: 19.96 m²

Sails

Mainsail: 30.65 m²
Genoa: 18.73 m²
Spinnaker: 51.61 m²
Asymmetric spinnaker: 0 m²

Design

Type: Yamaha 30R
Builder: Yamaha
Designer: Yamaha
Year built: 1984

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.

6,43.9,4.038575,52,4.47,60,4.73,75,4.93,90,5.05,110,5.02,120,4.83,135,4.32,147,3.779792,150,3.66
8,42,4.736627,52,5.33,60,5.62,75,5.85,90,6.06,110,6.07,120,5.89,135,5.32,150,4.65,152,4.564257
10,41.2,5.329506,52,5.98,60,6.2,75,6.36,90,6.59,110,6.62,120,6.52,135,6.16,150,5.51,154,5.340489
12,40.1,5.778371,52,6.35,60,6.51,75,6.65,90,6.91,110,6.98,120,6.88,135,6.62,150,6.23,162,5.793557
14,39,5.970564,52,6.55,60,6.71,75,6.88,90,7.12,110,7.36,120,7.25,135,6.96,150,6.64,180,6.15
16,39,6.04777,52,6.63,60,6.83,75,7.1,90,7.25,110,7.72,120,7.63,135,7.33,150,6.96,180,6.57
20,39.8,6.091501,52,6.66,60,6.9,75,7.33,90,7.68,110,8.14,120,8.36,135,8.09,150,7.66,180,7.22

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.47	4.73	4.93	5.05	5.02	4.83	4.32	3.66
8	5.33	5.62	5.85	6.06	6.07	5.89	5.32	4.65
10	5.98	6.2	6.36	6.59	6.62	6.52	6.16	5.51
12	6.35	6.51	6.65	6.91	6.98	6.88	6.62	6.23
14	6.55	6.71	6.88	7.12	7.36	7.25	6.96	6.64
16	6.63	6.83	7.1	7.25	7.72	7.63	7.33	6.96
20	6.66	6.9	7.33	7.68	8.14	8.36	8.09	7.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	2.91	147°	3.17
8	42°	3.52	152°	4.03
10	41.2°	4.01	154°	4.8
12	40.1°	4.42	162°	5.51
14	39°	4.64	180°	6.15
16	39°	4.7	180°	6.57
20	39.8°	4.68	180°	7.22

Loading polar chart…