IDHRA — ORC Rating | RegattaPages

GPH

665.7

OSN

647.4

LOA

9.855 m

Displacement

4115 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6989

Medium

0.937

High

1.0665

Triple Offshore

Low

0.8944

Medium

1.1406

High

1.264

Boat Specifications

Dimensions

Length overall: 9.855 m
Beam: 3.39 m
Draft: 1.98 m
Displacement: 4115 kg
Crew weight: 400 kg
Wetted surface: 20.79 m²

Sails

Mainsail: 25.86 m²
Genoa: 33.01 m²
Spinnaker: 78.27 m²
Asymmetric spinnaker: 0 m²

Design

Type: BONIN 33
Builder: SERENO BONIN & C.
Designer: COSSUTTI-BONIN
Year built: 1982

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.

6,41.7,4.433205,52,4.98,60,5.23,75,5.43,90,5.36,110,5.31,120,5.17,135,4.73,146.7,4.175603,150,4.03
8,40.7,5.183778,52,5.85,60,6.08,75,6.25,90,6.24,110,6.35,120,6.24,135,5.77,150,5.03,150.6,4.993034
10,40.3,5.795442,52,6.37,60,6.53,75,6.65,90,6.72,110,6.84,120,6.78,135,6.53,150,5.92,151.2,5.865526
12,39.1,6.043453,52,6.61,60,6.75,75,6.89,90,6.93,110,7.19,120,7.15,135,6.93,150,6.56,159.5,6.20281
14,38.5,6.133338,52,6.72,60,6.89,75,7.08,90,7.17,110,7.51,120,7.53,135,7.29,150,6.93,180,6.4
16,38.3,6.180105,52,6.77,60,6.96,75,7.24,90,7.4,110,7.7,120,7.87,135,7.67,150,7.26,180,6.8
20,38.5,6.171671,52,6.78,60,7,75,7.4,90,7.76,110,7.98,120,8.32,135,8.41,150,7.97,180,7.45

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.23	5.43	5.36	5.31	5.17	4.73	4.03
8	5.85	6.08	6.25	6.24	6.35	6.24	5.77	5.03
10	6.37	6.53	6.65	6.72	6.84	6.78	6.53	5.92
12	6.61	6.75	6.89	6.93	7.19	7.15	6.93	6.56
14	6.72	6.89	7.08	7.17	7.51	7.53	7.29	6.93
16	6.77	6.96	7.24	7.4	7.7	7.87	7.67	7.26
20	6.78	7	7.4	7.76	7.98	8.32	8.41	7.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.7°	3.31	146.7°	3.49
8	40.7°	3.93	150.6°	4.35
10	40.3°	4.42	151.2°	5.14
12	39.1°	4.69	159.5°	5.81
14	38.5°	4.8	180°	6.4
16	38.3°	4.85	180°	6.8
20	38.5°	4.83	180°	7.45

Loading polar chart…