Madam Larsen: ORC Rating

GPH

705.5

OSN

682.7

LOA

8.91 m

Displacement

2716 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5731

Medium

0.7874

High

0.9079

Triple Offshore

Low

0.7392

Medium

0.9623

High

1.0779

Boat Specifications

Dimensions

Length overall: 8.91 m
Beam: 2.65 m
Draft: 1.54 m
Displacement: 2716 kg
Crew weight: 462 kg
Wetted surface: 17.36 m²

Sails

Mainsail: 22.79 m²
Genoa: 22.27 m²
Spinnaker: 48.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: LARSEN 28
Builder: Nyboat
Designer: HansÅgeLarsen
Year built: 1985

Performance data

Polar CSV

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

6,43.6,4.294561,52,4.74,60,4.99,75,5.12,90,5.01,110,4.98,120,4.81,135,4.26,146.2,3.718481,150,3.57
8,41.6,5.014723,52,5.57,60,5.78,75,5.92,90,5.91,110,5.97,120,5.81,135,5.26,150,4.59,150.5,4.561354
10,39.8,5.492764,52,6.06,60,6.21,75,6.34,90,6.43,110,6.51,120,6.42,135,6.08,150,5.47,152.5,5.355064
12,38.4,5.742041,52,6.33,60,6.47,75,6.61,90,6.74,110,6.88,120,6.8,135,6.54,150,6.15,160.6,5.778063
14,37.9,5.854889,52,6.47,60,6.63,75,6.82,90,6.93,110,7.21,120,7.16,135,6.9,150,6.57,174.5,6.047843
16,37.6,5.894309,52,6.53,60,6.71,75,6.99,90,7.11,110,7.51,120,7.5,135,7.26,150,6.9,178.6,6.441923
20,38,5.939005,52,6.59,60,6.8,75,7.16,90,7.47,110,7.92,120,8.21,135,8.03,150,7.58,179,7.09108
24,39.3,5.918535,52,6.57,60,6.8,75,7.24,90,7.66,110,8.23,120,8.89,135,9.22,150,8.42,178.6,7.732308

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	4.99	5.12	5.01	4.98	4.81	4.26	3.57
8	5.57	5.78	5.92	5.91	5.97	5.81	5.26	4.59
10	6.06	6.21	6.34	6.43	6.51	6.42	6.08	5.47
12	6.33	6.47	6.61	6.74	6.88	6.8	6.54	6.15
14	6.47	6.63	6.82	6.93	7.21	7.16	6.9	6.57
16	6.53	6.71	6.99	7.11	7.51	7.5	7.26	6.9
20	6.59	6.8	7.16	7.47	7.92	8.21	8.03	7.58
24	6.57	6.8	7.24	7.66	8.23	8.89	9.22	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.11	146.2°	3.09
8	41.6°	3.75	150.5°	3.97
10	39.8°	4.22	152.5°	4.75
12	38.4°	4.5	160.6°	5.45
14	37.9°	4.62	174.5°	6.02
16	37.6°	4.67	178.6°	6.44
20	38°	4.68	179°	7.09
24	39.3°	4.58	178.6°	7.73

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.74	5.57	6.06	6.33	6.47	6.53	6.59	6.57
60°	4.99	5.78	6.21	6.47	6.63	6.71	6.80	6.80
75°	5.12	5.92	6.34	6.61	6.82	6.99	7.16	7.24
90°	5.01	5.91	6.43	6.74	6.93	7.11	7.47	7.66
110°	4.98	5.97	6.51	6.88	7.21	7.51	7.92	8.23
120°	4.81	5.81	6.42	6.80	7.16	7.50	8.21	8.89
135°	4.26	5.26	6.08	6.54	6.90	7.26	8.03	9.22
150°	3.57	4.59	5.47	6.15	6.57	6.90	7.58	8.42