ACTINIAS: ORC Rating

GPH

632.1

OSN

615.6

LOA

11.652 m

Displacement

6811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6508

Medium

0.8713

High

0.9936

Triple Offshore

Low

0.8355

Medium

1.0686

High

1.1837

Boat Specifications

Dimensions

Length overall: 11.652 m
Beam: 3.65 m
Draft: 1.98 m
Displacement: 6811 kg
Crew weight: 560 kg
Wetted surface: 27.54 m²

Sails

Mainsail: 36.4 m²
Genoa: 43.39 m²
Spinnaker: 118.21 m²
Asymmetric spinnaker: 96.05 m²

Design

Type: Marchi 39
Builder: Marchi
Designer: A. Vallicelli & C.
Year built: 1979

Performance data

Polar CSV

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

6,42.2,4.616602,52,5.18,60,5.45,75,5.68,90,5.63,110,5.62,120,5.5,135,5.04,146,4.475069,150,4.28
8,41.2,5.40925,52,6.1,60,6.4,75,6.61,90,6.6,110,6.76,120,6.66,135,6.17,150,5.323169
10,41.4,6.092431,52,6.72,60,6.92,75,7.07,90,7.15,110,7.3,120,7.26,135,7,150,6.304665
12,40.5,6.378172,52,7,60,7.17,75,7.33,90,7.41,110,7.64,120,7.64,135,7.43,150,7.02,157,6.713707
14,40.1,6.4974,52,7.11,60,7.3,75,7.52,90,7.61,110,7.92,120,8,135,7.79,150,7.41,176,6.786532
16,39.8,6.534046,52,7.16,60,7.36,75,7.67,90,7.83,110,8.17,120,8.33,135,8.18,150,7.75,180,7.23
20,39.8,6.573094,52,7.17,60,7.4,75,7.81,90,8.18,110,8.49,120,8.81,135,8.92,150,8.48,180,7.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.45	5.68	5.63	5.62	5.5	5.04	4.28
8	6.1	6.4	6.61	6.6	6.76	6.66	6.17	5.32
10	6.72	6.92	7.07	7.15	7.3	7.26	7	6.3
12	7	7.17	7.33	7.41	7.64	7.64	7.43	7.02
14	7.11	7.3	7.52	7.61	7.92	8	7.79	7.41
16	7.16	7.36	7.67	7.83	8.17	8.33	8.18	7.75
20	7.17	7.4	7.81	8.18	8.49	8.81	8.92	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.42	146°	3.71
8	41.2°	4.07	150°	4.61
10	41.4°	4.57	150°	5.46
12	40.5°	4.85	157°	6.18
14	40.1°	4.97	176°	6.77
16	39.8°	5.02	180°	7.23
20	39.8°	5.05	180°	7.91

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°	5.18	6.10	6.72	7.00	7.11	7.16	7.17
60°	5.45	6.40	6.92	7.17	7.30	7.36	7.40
75°	5.68	6.61	7.07	7.33	7.52	7.67	7.81
90°	5.63	6.60	7.15	7.41	7.61	7.83	8.18
110°	5.62	6.76	7.30	7.64	7.92	8.17	8.49
120°	5.50	6.66	7.26	7.64	8.00	8.33	8.81
135°	5.04	6.17	7.00	7.43	7.79	8.18	8.92
150°	4.28	5.32	6.30	7.02	7.41	7.75	8.48