PISTRICE: ORC Rating

GPH

571.9

OSN

557.7

LOA

12 m

Displacement

4985 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7336

Medium

0.9541

High

1.0642

Triple Offshore

Low

0.9398

Medium

1.173

High

1.2973

Boat Specifications

Dimensions

Length overall: 12 m
Beam: 3.86 m
Draft: 2.4 m
Displacement: 4985 kg
Crew weight: 670 kg
Wetted surface: 28.53 m²

Sails

Mainsail: 46.52 m²
Genoa: 50.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 126.21 m²

Design

Type: Vismara 40 mod.
Builder: Marine Service
Designer: Vismara
Year built: 1992

Performance data

Polar CSV

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

6,42.5,5.520311,52,6.13,60,6.41,75,6.59,90,6.45,110,6.16,120,6.01,135,5.35,142.8,4.908792,150,4.51
8,39.7,6.329611,52,7.05,60,7.25,75,7.37,90,7.31,110,7.31,120,7.2,135,6.68,146.4,5.942939,150,5.72
10,37.9,6.653283,52,7.43,60,7.62,75,7.78,90,7.79,110,7.92,120,7.87,135,7.53,148.5,6.849314,150,6.75
12,37,6.786575,52,7.58,60,7.79,75,8.06,90,8.15,110,8.36,120,8.41,135,8.1,150,7.47,150.2,7.455932
14,37.2,6.917505,52,7.67,60,7.89,75,8.22,90,8.46,110,8.73,120,8.9,135,8.66,149.6,7.941903,150,7.91
16,37,6.986917,52,7.74,60,7.98,75,8.35,90,8.69,110,9.11,120,9.37,135,9.27,150,8.3,173,7.324596
20,37.1,7.058818,52,7.82,60,8.08,75,8.55,90,9.03,110,9.71,120,10.39,135,10.86,142.9,10.230898,150,9.42
24,38.6,7.050359,52,7.77,60,8.08,75,8.64,90,9.27,110,10.15,120,11.49,135,13.3,141.8,13.437561,150,12.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.13	6.41	6.59	6.45	6.16	6.01	5.35	4.51
8	7.05	7.25	7.37	7.31	7.31	7.2	6.68	5.72
10	7.43	7.62	7.78	7.79	7.92	7.87	7.53	6.75
12	7.58	7.79	8.06	8.15	8.36	8.41	8.1	7.47
14	7.67	7.89	8.22	8.46	8.73	8.9	8.66	7.91
16	7.74	7.98	8.35	8.69	9.11	9.37	9.27	8.3
20	7.82	8.08	8.55	9.03	9.71	10.39	10.86	9.42
24	7.77	8.08	8.64	9.27	10.15	11.49	13.3	12.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	4.07	142.8°	3.91
8	39.7°	4.87	146.4°	4.95
10	37.9°	5.25	148.5°	5.84
12	37°	5.42	150.2°	6.47
14	37.2°	5.51	149.6°	6.85
16	37°	5.58	173°	7.27
20	37.1°	5.63	142.9°	8.16
24	38.6°	5.51	141.8°	10.56

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°	6.13	7.05	7.43	7.58	7.67	7.74	7.82	7.77
60°	6.41	7.25	7.62	7.79	7.89	7.98	8.08	8.08
75°	6.59	7.37	7.78	8.06	8.22	8.35	8.55	8.64
90°	6.45	7.31	7.79	8.15	8.46	8.69	9.03	9.27
110°	6.16	7.31	7.92	8.36	8.73	9.11	9.71	10.15
120°	6.01	7.20	7.87	8.41	8.90	9.37	10.39	11.49
135°	5.35	6.68	7.53	8.10	8.66	9.27	10.86	13.30
150°	4.51	5.72	6.75	7.47	7.91	8.30	9.42	12.20