BO DEREK — ORC Rating

GPH

643

OSN

623.2

LOA

10 m

Displacement

2946 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6227

Medium

0.857

High

0.9881

Triple Offshore

Low

0.8084

Medium

1.0573

High

1.1897

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 2.74 m
Draft: 1.79 m
Displacement: 2946 kg
Crew weight: 450 kg
Wetted surface: 20.09 m²

Sails

Mainsail: 26.84 m²
Genoa: 27.25 m²
Spinnaker: 56.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: Adams 10
Designer: Joe Adams
Year built: 1971
Stability index: -1

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.

4,43.4,3.427039,52,3.9,60,4.16,75,4.34,90,4.15,110,3.88,120,3.7,135,3.25,145.6,2.702658,150,2.58
6,43.4,4.748308,52,5.26,60,5.54,75,5.72,90,5.58,110,5.38,120,5.18,135,4.58,145.6,3.950972,150,3.77
8,40.8,5.561463,52,6.21,60,6.44,75,6.6,90,6.55,110,6.53,120,6.35,135,5.72,149.4,4.914364,150,4.88
10,39.2,6.052046,52,6.74,60,6.93,75,7.08,90,7.08,110,7.18,120,7.08,135,6.65,150,5.89,150.3,5.871304
12,38.2,6.222507,52,6.94,60,7.15,75,7.38,90,7.44,110,7.64,120,7.59,135,7.23,150,6.73,157.2,6.41093
14,37.9,6.311114,52,7.03,60,7.25,75,7.57,90,7.76,110,8.02,120,8.08,135,7.75,150,7.26,164.6,6.773189
16,37.8,6.378495,52,7.09,60,7.32,75,7.69,90,8.01,110,8.3,120,8.54,135,8.28,150,7.74,170,7.128295
20,37.8,6.441774,52,7.17,60,7.41,75,7.88,90,8.34,110,8.76,120,9.3,135,9.51,150,8.78,169.1,8.045145
24,38.9,6.450426,52,7.16,60,7.43,75,7.96,90,8.57,110,9.06,120,9.93,135,11.55,150,10.14,162.9,9.31164

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.9	4.16	4.34	4.15	3.88	3.7	3.25	2.58
6	5.26	5.54	5.72	5.58	5.38	5.18	4.58	3.77
8	6.21	6.44	6.6	6.55	6.53	6.35	5.72	4.88
10	6.74	6.93	7.08	7.08	7.18	7.08	6.65	5.89
12	6.94	7.15	7.38	7.44	7.64	7.59	7.23	6.73
14	7.03	7.25	7.57	7.76	8.02	8.08	7.75	7.26
16	7.09	7.32	7.69	8.01	8.3	8.54	8.28	7.74
20	7.17	7.41	7.88	8.34	8.76	9.3	9.51	8.78
24	7.16	7.43	7.96	8.57	9.06	9.93	11.55	10.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	43.4°	2.49	145.6°	2.23
6	43.4°	3.45	145.6°	3.26
8	40.8°	4.21	149.4°	4.23
10	39.2°	4.69	150.3°	5.1
12	38.2°	4.89	157.2°	5.91
14	37.9°	4.98	164.6°	6.53
16	37.8°	5.04	170°	7.02
20	37.8°	5.09	169.1°	7.9
24	38.9°	5.02	162.9°	8.9

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