Details: ORC Rating

GPH

653.6

OSN

637.8

LOA

9.168 m

Displacement

3175 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6421

Medium

0.8445

High

0.9495

Triple Offshore

Low

0.8222

Medium

1.0269

High

1.1309

Boat Specifications

Dimensions

Length overall: 9.168 m
Beam: 3.04 m
Draft: 1.76 m
Displacement: 3175 kg
Crew weight: 443 kg
Wetted surface: 19.03 m²

Sails

Mainsail: 26.72 m²
Genoa: 36.38 m²
Spinnaker: 70.06 m²
Asymmetric spinnaker: 0 m²

Design

Type: Andrews 30 MK1
Builder: Dencho Marine
Designer: Alan Andrews
Year built: 1982

Performance data

Polar CSV

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

6,42,4.682802,52,5.26,60,5.54,75,5.77,90,5.72,110,5.39,120,5.24,135,4.77,146,4.245887,150,4.07
8,41.2,5.528864,52,6.14,60,6.32,75,6.45,90,6.45,110,6.39,120,6.28,135,5.85,150,5.092229
10,39.8,5.935309,52,6.51,60,6.65,75,6.77,90,6.8,110,6.86,120,6.8,135,6.54,150,5.98,152.5,5.862386
12,39,6.073505,52,6.64,60,6.8,75,7.01,90,7.08,110,7.25,120,7.21,135,6.94,150,6.57,162,6.151054
14,38.4,6.112084,52,6.7,60,6.88,75,7.18,90,7.36,110,7.59,120,7.64,135,7.35,150,6.94,180,6.43
16,38.6,6.154669,52,6.73,60,6.92,75,7.27,90,7.59,110,7.8,120,8.04,135,7.79,150,7.32,180,6.82
20,38.6,6.205852,52,6.77,60,6.96,75,7.35,90,7.83,110,8.16,120,8.56,135,8.75,150,8.14,180,7.55

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.26	5.54	5.77	5.72	5.39	5.24	4.77	4.07
8	6.14	6.32	6.45	6.45	6.39	6.28	5.85	5.09
10	6.51	6.65	6.77	6.8	6.86	6.8	6.54	5.98
12	6.64	6.8	7.01	7.08	7.25	7.21	6.94	6.57
14	6.7	6.88	7.18	7.36	7.59	7.64	7.35	6.94
16	6.73	6.92	7.27	7.59	7.8	8.04	7.79	7.32
20	6.77	6.96	7.35	7.83	8.16	8.56	8.75	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.48	146°	3.52
8	41.2°	4.16	150°	4.41
10	39.8°	4.56	152.5°	5.2
12	39°	4.72	162°	5.85
14	38.4°	4.79	180°	6.43
16	38.6°	4.81	180°	6.82
20	38.6°	4.85	180°	7.55

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°	5.26	6.14	6.51	6.64	6.70	6.73	6.77
60°	5.54	6.32	6.65	6.80	6.88	6.92	6.96
75°	5.77	6.45	6.77	7.01	7.18	7.27	7.35
90°	5.72	6.45	6.80	7.08	7.36	7.59	7.83
110°	5.39	6.39	6.86	7.25	7.59	7.80	8.16
120°	5.24	6.28	6.80	7.21	7.64	8.04	8.56
135°	4.77	5.85	6.54	6.94	7.35	7.79	8.75
150°	4.07	5.09	5.98	6.57	6.94	7.32	8.14