AKELA — ORC Rating | RegattaPages

GPH

671.5

OSN

648.5

LOA

9.61 m

Displacement

3724 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5892

Medium

0.8242

High

0.9691

Triple Offshore

Low

0.7637

Medium

1.0161

High

1.1581

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3724 kg
Crew weight: 560 kg
Wetted surface: 21.78 m²

Sails

Mainsail: 26.25 m²
Genoa: 27.63 m²
Spinnaker: 61.36 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot/Conq
Year built: 1998
Stability index: 118.3

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.

6,43.6,4.253134,52,4.76,60,5.06,75,5.28,90,5.2,110,5.18,120,5.01,135,4.51,146,3.968457,150,3.8
8,42.4,5.105251,52,5.7,60,6.01,75,6.24,90,6.22,110,6.32,120,6.14,135,5.59,150,4.85,150.2,4.851541
10,41.4,5.732484,52,6.37,60,6.59,75,6.76,90,6.86,110,6.94,120,6.85,135,6.48,150,5.78,152,5.674176
12,39.4,6.108185,52,6.74,60,6.9,75,7.05,90,7.2,110,7.34,120,7.26,135,6.99,150,6.55,157,6.246572
14,38.2,6.286132,52,6.92,60,7.1,75,7.29,90,7.41,110,7.75,120,7.67,135,7.36,150,7,169.4,6.460242
16,37.8,6.340528,52,7,60,7.21,75,7.51,90,7.65,110,8.16,120,8.13,135,7.8,150,7.36,177.2,6.848176
20,38.7,6.432348,52,7.05,60,7.28,75,7.76,90,8.18,110,8.66,120,9.09,135,8.78,150,8.18,178.1,7.544148

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.76	5.06	5.28	5.2	5.18	5.01	4.51	3.8
8	5.7	6.01	6.24	6.22	6.32	6.14	5.59	4.85
10	6.37	6.59	6.76	6.86	6.94	6.85	6.48	5.78
12	6.74	6.9	7.05	7.2	7.34	7.26	6.99	6.55
14	6.92	7.1	7.29	7.41	7.75	7.67	7.36	7
16	7	7.21	7.51	7.65	8.16	8.13	7.8	7.36
20	7.05	7.28	7.76	8.18	8.66	9.09	8.78	8.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.08	146°	3.29
8	42.4°	3.77	150.2°	4.21
10	41.4°	4.3	152°	5.01
12	39.4°	4.72	157°	5.75
14	38.2°	4.94	169.4°	6.35
16	37.8°	5.01	177.2°	6.84
20	38.7°	5.02	178.1°	7.54

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