MAVERTA: ORC Rating

GPH

579.6

OSN

563.6

LOA

12.195 m

Displacement

7256 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7021

Medium

0.9481

High

1.0871

Triple Offshore

Low

0.9066

Medium

1.1681

High

1.305

Boat Specifications

Dimensions

Length overall: 12.195 m
Beam: 3.52 m
Draft: 2.43 m
Displacement: 7256 kg
Crew weight: 839 kg
Wetted surface: 32.35 m²

Sails

Mainsail: 55.03 m²
Genoa: 38.04 m²
Spinnaker: 108.1 m²
Asymmetric spinnaker: 127.34 m²

Design

Type: RODMAN 42 MOD.
Builder: RODMAN
Designer: VROLIJK
Year built: 2002
Stability index: 120.9

Performance data

Polar CSV

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

6,42.9,5.023597,52,5.61,60,5.93,75,6.19,90,6.17,110,6.2,120,6.02,135,5.4,143.3,4.926565,150,4.56
8,41.2,5.954162,52,6.69,60,6.98,75,7.2,90,7.36,110,7.42,120,7.28,135,6.68,146.9,5.920842,150,5.73
10,40.2,6.65099,52,7.37,60,7.56,75,7.7,90,7.87,110,8.01,120,7.91,135,7.57,148.7,6.858142,150,6.77
12,38.8,6.903295,52,7.64,60,7.83,75,8.01,90,8.17,110,8.44,120,8.39,135,8.07,150,7.51,150.5,7.479701
14,38.1,6.989141,52,7.74,60,7.95,75,8.24,90,8.37,110,8.8,120,8.92,135,8.54,150,7.92,165.8,7.365036
16,37.8,7.036594,52,7.79,60,8.01,75,8.38,90,8.68,110,9.22,120,9.42,135,9.08,150,8.32,177.2,7.699192
20,37.8,7.213774,52,7.92,60,8.12,75,8.51,90,9.09,110,9.8,120,10.36,135,10.39,150,9.27,178.4,8.493311

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.93	6.19	6.17	6.2	6.02	5.4	4.56
8	6.69	6.98	7.2	7.36	7.42	7.28	6.68	5.73
10	7.37	7.56	7.7	7.87	8.01	7.91	7.57	6.77
12	7.64	7.83	8.01	8.17	8.44	8.39	8.07	7.51
14	7.74	7.95	8.24	8.37	8.8	8.92	8.54	7.92
16	7.79	8.01	8.38	8.68	9.22	9.42	9.08	8.32
20	7.92	8.12	8.51	9.09	9.8	10.36	10.39	9.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.68	143.3°	3.95
8	41.2°	4.48	146.9°	4.96
10	40.2°	5.08	148.7°	5.86
12	38.8°	5.38	150.5°	6.51
14	38.1°	5.5	165.8°	7.14
16	37.8°	5.56	177.2°	7.69
20	37.8°	5.7	178.4°	8.49

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°	5.61	6.69	7.37	7.64	7.74	7.79	7.92
60°	5.93	6.98	7.56	7.83	7.95	8.01	8.12
75°	6.19	7.20	7.70	8.01	8.24	8.38	8.51
90°	6.17	7.36	7.87	8.17	8.37	8.68	9.09
110°	6.20	7.42	8.01	8.44	8.80	9.22	9.80
120°	6.02	7.28	7.91	8.39	8.92	9.42	10.36
135°	5.40	6.68	7.57	8.07	8.54	9.08	10.39
150°	4.56	5.73	6.77	7.51	7.92	8.32	9.27