Kestrel: ORC Rating

GPH

598

OSN

582.1

LOA

10.6 m

Displacement

3250 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6878

Medium

0.9142

High

1.0419

Triple Offshore

Low

0.8871

Medium

1.1268

High

1.2605

Boat Specifications

Dimensions

Length overall: 10.6 m
Beam: 2.78 m
Draft: 1.82 m
Displacement: 3250 kg
Crew weight: 540 kg
Wetted surface: 21.72 m²

Sails

Mainsail: 34.11 m²
Genoa: 31.86 m²
Spinnaker: 82.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: Adams 10.6
Builder: Adams Factory
Designer: JoeAdams
Year built: 1974
Stability index: 128.1

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.9,5.132805,52,5.71,60,6.01,75,6.22,90,6.1,110,5.88,120,5.72,135,5.14,139.7,4.8645,150,4.29
8,40.6,5.979417,52,6.69,60,6.91,75,7.06,90,7.02,110,7.03,120,6.93,135,6.41,146.9,5.586601,150,5.4
10,39.3,6.370824,52,7.09,60,7.31,75,7.5,90,7.52,110,7.64,120,7.61,135,7.26,149.2,6.519513,150,6.46
12,38.2,6.502456,52,7.26,60,7.48,75,7.78,90,7.92,110,8.07,120,8.19,135,7.87,150,7.27,155.6,7.005726
14,38.1,6.620623,52,7.36,60,7.59,75,7.97,90,8.26,110,8.38,120,8.7,135,8.51,150,7.83,165.8,7.189678
16,37.8,6.656922,52,7.42,60,7.67,75,8.11,90,8.52,110,8.67,120,9.1,135,9.19,150,8.43,173.6,7.557096
20,38.2,6.706056,52,7.47,60,7.75,75,8.28,90,8.86,110,9.27,120,9.83,135,10.81,150,9.82,169.4,8.73913

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.71	6.01	6.22	6.1	5.88	5.72	5.14	4.29
8	6.69	6.91	7.06	7.02	7.03	6.93	6.41	5.4
10	7.09	7.31	7.5	7.52	7.64	7.61	7.26	6.46
12	7.26	7.48	7.78	7.92	8.07	8.19	7.87	7.27
14	7.36	7.59	7.97	8.26	8.38	8.7	8.51	7.83
16	7.42	7.67	8.11	8.52	8.67	9.1	9.19	8.43
20	7.47	7.75	8.28	8.86	9.27	9.83	10.81	9.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.76	139.7°	3.71
8	40.6°	4.54	146.9°	4.68
10	39.3°	4.93	149.2°	5.6
12	38.2°	5.11	155.6°	6.38
14	38.1°	5.21	165.8°	6.97
16	37.8°	5.26	173.6°	7.51
20	38.2°	5.27	169.4°	8.59

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.71	6.69	7.09	7.26	7.36	7.42	7.47
60°	6.01	6.91	7.31	7.48	7.59	7.67	7.75
75°	6.22	7.06	7.50	7.78	7.97	8.11	8.28
90°	6.10	7.02	7.52	7.92	8.26	8.52	8.86
110°	5.88	7.03	7.64	8.07	8.38	8.67	9.27
120°	5.72	6.93	7.61	8.19	8.70	9.10	9.83
135°	5.14	6.41	7.26	7.87	8.51	9.19	10.81
150°	4.29	5.40	6.46	7.27	7.83	8.43	9.82