ONAWA — ORC Rating | RegattaPages

GPH

519.5

OSN

508.1

LOA

21.269 m

Displacement

28719 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7904

Medium

1.0442

High

1.2218

Triple Offshore

Low

1.0245

Medium

1.2936

High

1.4492

Boat Specifications

Dimensions

Length overall: 21.269 m
Beam: 3.85 m
Draft: 2.75 m
Displacement: 28719 kg
Crew weight: 1105 kg
Wetted surface: 66.1 m²

Sails

Mainsail: 153.23 m²
Genoa: 102.11 m²
Spinnaker: 191.06 m²
Asymmetric spinnaker: 186.55 m²

Design

Type: 12 metre
Builder: A. Rasmussen
Designer: Sterling Burges
Year built: 1928
Stability index: 186.7

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.

6,43,6.084607,52,6.77,60,7.14,75,7.41,90,7.31,110,6.75,120,6.51,135,5.8,141,5.40439,150,4.85
8,41.2,6.977533,52,7.8,60,8.1,75,8.31,90,8.26,110,8.01,120,7.81,135,7.11,145.7,6.367281,150,6.08
10,40.2,7.48891,52,8.35,60,8.61,75,8.79,90,8.8,110,8.76,120,8.63,135,8.11,149.3,7.198911,150,7.14
12,39.3,7.805229,52,8.65,60,8.9,75,9.09,90,9.15,110,9.21,120,9.12,135,8.76,150,8.03,154.7,7.720534
14,38.2,7.965827,52,8.84,60,9.07,75,9.31,90,9.4,110,9.54,120,9.49,135,9.2,150,8.66,161,8.143679
16,37.6,8.103097,52,8.98,60,9.2,75,9.47,90,9.62,110,9.83,120,9.81,135,9.55,150,9.1,174.8,8.374466
20,36.6,8.270871,52,9.16,60,9.38,75,9.69,90,9.97,110,10.23,120,10.43,135,10.22,150,9.77,179.3,9.24069

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.77	7.14	7.41	7.31	6.75	6.51	5.8	4.85
8	7.8	8.1	8.31	8.26	8.01	7.81	7.11	6.08
10	8.35	8.61	8.79	8.8	8.76	8.63	8.11	7.14
12	8.65	8.9	9.09	9.15	9.21	9.12	8.76	8.03
14	8.84	9.07	9.31	9.4	9.54	9.49	9.2	8.66
16	8.98	9.2	9.47	9.62	9.83	9.81	9.55	9.1
20	9.16	9.38	9.69	9.97	10.23	10.43	10.22	9.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.45	141°	4.2
8	41.2°	5.25	145.7°	5.26
10	40.2°	5.72	149.3°	6.19
12	39.3°	6.04	154.7°	6.98
14	38.2°	6.26	161°	7.7
16	37.6°	6.42	174.8°	8.34
20	36.6°	6.64	179.3°	9.24

Loading polar chart…