SANDRA — ORC Rating | RegattaPages

GPH

657.9

OSN

640.9

LOA

11.93 m

Displacement

8720 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.632

Medium

0.8292

High

0.9368

Triple Offshore

Low

0.8076

Medium

1.0248

High

1.1289

Boat Specifications

Dimensions

Length overall: 11.93 m
Beam: 3.68 m
Draft: 2.04 m
Displacement: 8720 kg
Crew weight: 560 kg
Wetted surface: 29.34 m²

Sails

Mainsail: 32.98 m²
Genoa: 53.31 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 111.5 m²

Design

Type: Sangermani 40
Builder: Sangermani
Designer: Sparkman&Stephens
Year built: 1972
Stability index: 125

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.

6,43,4.621567,52,5.12,60,5.36,75,5.52,90,5.42,110,5.39,120,5.24,135,4.75,145.7,4.260994,150,4.07
8,40.8,5.323681,52,5.95,60,6.18,75,6.33,90,6.28,110,6.42,120,6.3,135,5.83,147.8,5.211576,150,5.09
10,39.9,5.826646,52,6.48,60,6.67,75,6.81,90,6.84,110,7.02,120,6.96,135,6.65,147.1,6.121818,150,5.94
12,39.6,6.112809,52,6.76,60,6.94,75,7.09,90,7.13,110,7.37,120,7.35,135,7.14,147.9,6.681447,150,6.54
14,39.4,6.250537,52,6.9,60,7.09,75,7.28,90,7.35,110,7.62,120,7.66,135,7.49,149.6,6.944817,150,6.92
16,39.3,6.332057,52,6.97,60,7.16,75,7.41,90,7.53,110,7.82,120,7.93,135,7.8,150,7.21,173,6.518589
20,39,6.382327,52,7.04,60,7.24,75,7.54,90,7.78,110,8.07,120,8.36,135,8.35,150,7.68,176.6,7.19266

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.36	5.52	5.42	5.39	5.24	4.75	4.07
8	5.95	6.18	6.33	6.28	6.42	6.3	5.83	5.09
10	6.48	6.67	6.81	6.84	7.02	6.96	6.65	5.94
12	6.76	6.94	7.09	7.13	7.37	7.35	7.14	6.54
14	6.9	7.09	7.28	7.35	7.62	7.66	7.49	6.92
16	6.97	7.16	7.41	7.53	7.82	7.93	7.8	7.21
20	7.04	7.24	7.54	7.78	8.07	8.36	8.35	7.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	145.7°	3.52
8	40.8°	4.03	147.8°	4.41
10	39.9°	4.47	147.1°	5.14
12	39.6°	4.71	147.9°	5.66
14	39.4°	4.83	149.6°	5.99
16	39.3°	4.9	173°	6.47
20	39°	4.96	176.6°	7.18

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