Sinbad — ORC Rating | RegattaPages

GPH

680.3

OSN

659.8

LOA

9.25 m

Displacement

3704 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6745

Medium

0.9179

High

1.0569

Triple Offshore

Low

0.8663

Medium

1.1204

High

1.2523

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.02 m
Draft: 1.82 m
Displacement: 3704 kg
Crew weight: 524 kg
Wetted surface: 19.62 m²

Sails

Mainsail: 28.31 m²
Genoa: 19.46 m²
Spinnaker: 62.47 m²
Asymmetric spinnaker: 51.41 m²

Design

Type: Impala 31
Builder: Tuco Yacht Værft
Designer: Jensen
Year built: 1995

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.

6,41.9,4.191793,52,4.7,60,4.93,75,5.13,90,5.25,110,5.27,120,5.12,135,4.66,146.6,4.108533,150,3.96
8,40.3,4.903835,52,5.57,60,5.83,75,6.03,90,6.25,110,6.29,120,6.16,135,5.68,150,4.96,151.3,4.902262
10,40.6,5.584302,52,6.2,60,6.37,75,6.5,90,6.72,110,6.77,120,6.69,135,6.43,150,5.83,152.2,5.731527
12,39,5.919094,52,6.5,60,6.64,75,6.77,90,6.99,110,7.11,120,7.04,135,6.81,150,6.47,161.7,6.056294
14,38.1,6.023369,52,6.64,60,6.8,75,6.97,90,7.13,110,7.46,120,7.42,135,7.14,150,6.82,180,6.34
16,37.8,6.062102,52,6.69,60,6.87,75,7.14,90,7.26,110,7.77,120,7.8,135,7.52,150,7.13,180,6.72
20,38.3,6.15462,52,6.72,60,6.91,75,7.3,90,7.67,110,8.13,120,8.42,135,8.33,150,7.85,180,7.34

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.7	4.93	5.13	5.25	5.27	5.12	4.66	3.96
8	5.57	5.83	6.03	6.25	6.29	6.16	5.68	4.96
10	6.2	6.37	6.5	6.72	6.77	6.69	6.43	5.83
12	6.5	6.64	6.77	6.99	7.11	7.04	6.81	6.47
14	6.64	6.8	6.97	7.13	7.46	7.42	7.14	6.82
16	6.69	6.87	7.14	7.26	7.77	7.8	7.52	7.13
20	6.72	6.91	7.3	7.67	8.13	8.42	8.33	7.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.9°	3.12	146.6°	3.43
8	40.3°	3.74	151.3°	4.3
10	40.6°	4.24	152.2°	5.07
12	39°	4.6	161.7°	5.75
14	38.1°	4.74	180°	6.34
16	37.8°	4.79	180°	6.72
20	38.3°	4.83	180°	7.34

Loading polar chart…