SWAHILI — ORC Rating | RegattaPages

GPH

640.4

OSN

622

LOA

9.55 m

Displacement

3284 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6356

Medium

0.8607

High

0.9798

Triple Offshore

Low

0.8209

Medium

1.0571

High

1.1824

Boat Specifications

Dimensions

Length overall: 9.55 m
Beam: 3.27 m
Draft: 2.08 m
Displacement: 3284 kg
Crew weight: 390 kg
Wetted surface: 20.12 m²

Sails

Mainsail: 29.42 m²
Genoa: 23.07 m²
Spinnaker: 62.91 m²
Asymmetric spinnaker: 58.96 m²

Design

Type: A-31
Builder: ARCHAMBAULT
Designer: JOUBERT/NIVELT/MER
Year built: 2009
Stability index: 124.7

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.

6,42.4,4.56358,52,5.12,60,5.41,75,5.64,90,5.59,110,5.59,120,5.41,135,4.86,144.2,4.352309,150,4.07
8,41.2,5.42254,52,6.08,60,6.34,75,6.54,90,6.63,110,6.69,120,6.56,135,6.02,147.5,5.311887,150,5.17
10,40,5.991819,52,6.64,60,6.82,75,6.97,90,7.11,110,7.21,120,7.14,135,6.81,150,6.15,151.4,6.070733
12,38.8,6.171905,52,6.86,60,7.05,75,7.25,90,7.34,110,7.66,120,7.6,135,7.28,150,6.85,158.6,6.497999
14,38.7,6.265773,52,6.95,60,7.16,75,7.47,90,7.61,110,8.13,120,8.13,135,7.76,150,7.27,171.8,6.708587
16,38.7,6.304214,52,6.98,60,7.21,75,7.63,90,7.93,110,8.43,120,8.74,135,8.31,150,7.72,178.4,7.092765
20,39.1,6.442914,52,7.08,60,7.29,75,7.75,90,8.4,110,8.94,120,9.63,135,9.74,150,8.8,177.2,7.939479

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.41	5.64	5.59	5.59	5.41	4.86	4.07
8	6.08	6.34	6.54	6.63	6.69	6.56	6.02	5.17
10	6.64	6.82	6.97	7.11	7.21	7.14	6.81	6.15
12	6.86	7.05	7.25	7.34	7.66	7.6	7.28	6.85
14	6.95	7.16	7.47	7.61	8.13	8.13	7.76	7.27
16	6.98	7.21	7.63	7.93	8.43	8.74	8.31	7.72
20	7.08	7.29	7.75	8.4	8.94	9.63	9.74	8.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.37	144.2°	3.53
8	41.2°	4.08	147.5°	4.48
10	40°	4.59	151.4°	5.33
12	38.8°	4.81	158.6°	6.05
14	38.7°	4.89	171.8°	6.64
16	38.7°	4.92	178.4°	7.09
20	39.1°	5	177.2°	7.93

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