Accelerando — ORC Rating

GPH

666.9

OSN

650.3

LOA

9.01 m

Displacement

2490 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6234

Medium

0.8293

High

0.9359

Triple Offshore

Low

0.8008

Medium

1.0079

High

1.1173

Boat Specifications

Dimensions

Length overall: 9.01 m
Beam: 3.13 m
Draft: 1.76 m
Displacement: 2490 kg
Crew weight: 450 kg
Wetted surface: 16.19 m²

Sails

Mainsail: 30.04 m²
Genoa: 23.2 m²
Spinnaker: 47.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: Still 900
Builder: Finn Yacht
Designer: Eivind Still
Year built: 1985

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.

6,41.6,4.560054,52,5.16,60,5.45,75,5.66,90,5.58,110,5.34,120,5.14,135,4.61,147,4.042112,150,3.91
8,41.2,5.40925,52,5.99,60,6.17,75,6.3,90,6.29,110,6.26,120,6.12,135,5.64,150,4.9,151,4.847821
10,39,5.829021,52,6.37,60,6.51,75,6.64,90,6.68,110,6.73,120,6.62,135,6.31,150,5.76,154,5.585262
12,37.9,5.9436,52,6.54,60,6.72,75,6.92,90,7.02,110,7.16,120,7.05,135,6.73,150,6.36,170,5.798086
14,37.5,5.987244,52,6.62,60,6.83,75,7.15,90,7.27,110,7.54,120,7.45,135,7.15,150,6.75,180,6.28
16,37.5,6.025058,52,6.66,60,6.9,75,7.28,90,7.51,110,7.88,120,7.85,135,7.53,150,7.14,180,6.67
20,38.1,6.074199,52,6.71,60,6.94,75,7.38,90,7.82,110,8.28,120,8.69,135,8.4,150,7.88,180,7.4

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.45	5.66	5.58	5.34	5.14	4.61	3.91
8	5.99	6.17	6.3	6.29	6.26	6.12	5.64	4.9
10	6.37	6.51	6.64	6.68	6.73	6.62	6.31	5.76
12	6.54	6.72	6.92	7.02	7.16	7.05	6.73	6.36
14	6.62	6.83	7.15	7.27	7.54	7.45	7.15	6.75
16	6.66	6.9	7.28	7.51	7.88	7.85	7.53	7.14
20	6.71	6.94	7.38	7.82	8.28	8.69	8.4	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.41	147°	3.39
8	41.2°	4.07	151°	4.24
10	39°	4.53	154°	5.02
12	37.9°	4.69	170°	5.71
14	37.5°	4.75	180°	6.28
16	37.5°	4.78	180°	6.67
20	38.1°	4.78	180°	7.4

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