ALTER SCHWEDE — ORC Rating

GPH

683.9

OSN

666.1

LOA

9.912 m

Displacement

4345 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5935

Medium

0.8037

High

0.9137

Triple Offshore

Low

0.7694

Medium

0.99

High

1.0952

Boat Specifications

Dimensions

Length overall: 9.912 m
Beam: 3.24 m
Draft: 1.74 m
Displacement: 4345 kg
Crew weight: 450 kg
Wetted surface: 21.64 m²

Sails

Mainsail: 29.89 m²
Genoa: 29.44 m²
Spinnaker: 60.86 m²
Asymmetric spinnaker: 0 m²

Design

Type: MAXI 999
Builder: MAXI
Designer: PETTERSON
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.

6,43.5,4.342585,52,4.85,60,5.14,75,5.39,90,5.34,110,5.22,120,5.05,135,4.55,147,3.958646,150,3.83
8,42,5.059579,52,5.69,60,6,75,6.23,90,6.24,110,6.27,120,6.13,135,5.56,150,4.84,151.5,4.767772
10,42,5.67857,52,6.26,60,6.46,75,6.62,90,6.7,110,6.78,120,6.71,135,6.4,150,5.73,152,5.628873
12,40.9,5.940305,52,6.52,60,6.69,75,6.85,90,6.97,110,7.11,120,7.05,135,6.82,150,6.45,160,6.065813
14,40.5,6.036249,52,6.61,60,6.8,75,7.02,90,7.14,110,7.43,120,7.38,135,7.14,150,6.83,180,6.32
16,40.3,6.044567,52,6.65,60,6.85,75,7.15,90,7.34,110,7.73,120,7.73,135,7.48,150,7.13,180,6.74
20,41.2,6.033905,52,6.64,60,6.87,75,7.25,90,7.67,110,8.06,120,8.38,135,8.21,150,7.79,180,7.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.14	5.39	5.34	5.22	5.05	4.55	3.83
8	5.69	6	6.23	6.24	6.27	6.13	5.56	4.84
10	6.26	6.46	6.62	6.7	6.78	6.71	6.4	5.73
12	6.52	6.69	6.85	6.97	7.11	7.05	6.82	6.45
14	6.61	6.8	7.02	7.14	7.43	7.38	7.14	6.83
16	6.65	6.85	7.15	7.34	7.73	7.73	7.48	7.13
20	6.64	6.87	7.25	7.67	8.06	8.38	8.21	7.79

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.15	147°	3.32
8	42°	3.76	151.5°	4.19
10	42°	4.22	152°	4.97
12	40.9°	4.49	160°	5.7
14	40.5°	4.59	180°	6.32
16	40.3°	4.61	180°	6.74
20	41.2°	4.54	180°	7.33

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