ZIRALLA PRIMERO: ORC Rating

GPH

648.7

OSN

628.9

LOA

9.968 m

Displacement

3519 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6992

Medium

0.9565

High

1.0989

Triple Offshore

Low

0.9021

Medium

1.1787

High

1.3245

Boat Specifications

Dimensions

Length overall: 9.968 m
Beam: 3.23 m
Draft: 1.9 m
Displacement: 3519 kg
Crew weight: 500 kg
Wetted surface: 21.9 m²

Sails

Mainsail: 31.33 m²
Genoa: 22.07 m²
Spinnaker: 65.54 m²
Asymmetric spinnaker: 0 m²

Design

Type: ASTRAEA 330
Builder: ASTRAEA
Designer: FAUROUX JACQUES
Year built: 2000

Performance data

Polar CSV

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

6,42.8,4.415794,52,4.93,60,5.2,75,5.43,90,5.41,110,5.46,120,5.31,135,4.8,145.2,4.274497,150,4.05
8,41.3,5.244494,52,5.91,60,6.2,75,6.41,90,6.53,110,6.62,120,6.46,135,5.93,149.4,5.169958,150,5.13
10,40.6,5.900394,52,6.57,60,6.78,75,6.93,90,7.06,110,7.19,120,7.1,135,6.78,150,6.08,151.4,6.002394
12,39.7,6.19964,52,6.86,60,7.04,75,7.23,90,7.28,110,7.6,120,7.55,135,7.24,150,6.81,157.4,6.48823
14,39.2,6.284321,52,6.96,60,7.17,75,7.45,90,7.59,110,7.99,120,8.05,135,7.68,150,7.24,180,6.61
16,39.2,6.335938,52,7,60,7.23,75,7.61,90,7.9,110,8.24,120,8.55,135,8.2,150,7.64,180,7.09
20,39.2,6.426267,52,7.09,60,7.3,75,7.74,90,8.35,110,8.71,120,9.22,135,9.47,150,8.65,180,7.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.2	5.43	5.41	5.46	5.31	4.8	4.05
8	5.91	6.2	6.41	6.53	6.62	6.46	5.93	5.13
10	6.57	6.78	6.93	7.06	7.19	7.1	6.78	6.08
12	6.86	7.04	7.23	7.28	7.6	7.55	7.24	6.81
14	6.96	7.17	7.45	7.59	7.99	8.05	7.68	7.24
16	7	7.23	7.61	7.9	8.24	8.55	8.2	7.64
20	7.09	7.3	7.74	8.35	8.71	9.22	9.47	8.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.24	145.2°	3.51
8	41.3°	3.94	149.4°	4.45
10	40.6°	4.48	151.4°	5.27
12	39.7°	4.77	157.4°	5.99
14	39.2°	4.87	180°	6.61
16	39.2°	4.91	180°	7.09
20	39.2°	4.98	180°	7.88

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°	4.93	5.91	6.57	6.86	6.96	7.00	7.09
60°	5.20	6.20	6.78	7.04	7.17	7.23	7.30
75°	5.43	6.41	6.93	7.23	7.45	7.61	7.74
90°	5.41	6.53	7.06	7.28	7.59	7.90	8.35
110°	5.46	6.62	7.19	7.60	7.99	8.24	8.71
120°	5.31	6.46	7.10	7.55	8.05	8.55	9.22
135°	4.80	5.93	6.78	7.24	7.68	8.20	9.47
150°	4.05	5.13	6.08	6.81	7.24	7.64	8.65