Sinbad — ORC Rating | RegattaPages

GPH

683.3

OSN

662.1

LOA

9.25 m

Displacement

3729 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5934

Medium

0.8121

High

0.9389

Triple Offshore

Low

0.7653

Medium

0.9923

High

1.1107

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.02 m
Draft: 1.82 m
Displacement: 3729 kg
Crew weight: 523 kg
Wetted surface: 19.57 m²

Sails

Mainsail: 28.36 m²
Genoa: 19.48 m²
Spinnaker: 62.76 m²
Asymmetric spinnaker: 51.41 m²

Design

Type: Impala 31
Builder: Tuco Yacht Værft
Designer: Jensen
Year built: 1995
Stability index: 116.7

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.

6,43.2,4.21143,52,4.7,60,4.95,75,5.14,90,5.26,110,5.27,120,5.11,135,4.63,146,4.101141,150,3.93
8,41.4,4.932603,52,5.55,60,5.84,75,6.04,90,6.24,110,6.3,120,6.16,135,5.65,150,4.94,151.1,4.888833
10,41.1,5.573519,52,6.16,60,6.35,75,6.49,90,6.71,110,6.76,120,6.69,135,6.42,150,5.83,152.3,5.714972
12,39.4,5.92701,52,6.48,60,6.62,75,6.75,90,6.98,110,7.1,120,7.04,135,6.81,150,6.47,160.4,6.114277
14,38.2,6.031633,52,6.63,60,6.79,75,6.95,90,7.14,110,7.45,120,7.4,135,7.15,150,6.82,175.4,6.340423
16,37.8,6.074757,52,6.69,60,6.87,75,7.12,90,7.26,110,7.79,120,7.79,135,7.53,150,7.14,179,6.711022
20,38.1,6.150444,52,6.72,60,6.92,75,7.3,90,7.66,110,8.16,120,8.48,135,8.34,150,7.87,179,7.331117

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.7	4.95	5.14	5.26	5.27	5.11	4.63	3.93
8	5.55	5.84	6.04	6.24	6.3	6.16	5.65	4.94
10	6.16	6.35	6.49	6.71	6.76	6.69	6.42	5.83
12	6.48	6.62	6.75	6.98	7.1	7.04	6.81	6.47
14	6.63	6.79	6.95	7.14	7.45	7.4	7.15	6.82
16	6.69	6.87	7.12	7.26	7.79	7.79	7.53	7.14
20	6.72	6.92	7.3	7.66	8.16	8.48	8.34	7.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.07	146°	3.4
8	41.4°	3.7	151.1°	4.28
10	41.1°	4.2	152.3°	5.06
12	39.4°	4.58	160.4°	5.76
14	38.2°	4.74	175.4°	6.32
16	37.8°	4.8	179°	6.71
20	38.1°	4.84	179°	7.33

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