ALLEGRO: ORC Rating

GPH

560.3

OSN

547.6

LOA

12.8 m

Displacement

6147 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7375

Medium

0.9684

High

1.0955

Triple Offshore

Low

0.956

Medium

1.2001

High

1.3255

Boat Specifications

Dimensions

Length overall: 12.8 m
Beam: 3.12 m
Draft: 2.46 m
Displacement: 6147 kg
Crew weight: 777 kg
Wetted surface: 32.11 m²

Sails

Mainsail: 61.94 m²
Genoa: 41.48 m²
Spinnaker: 120.66 m²
Asymmetric spinnaker: 92.32 m²

Design

Type: SOTO ACEBAL 42
Builder: AST. MILENIUM
Designer: J. SOTO
Year built: 2006
Stability index: 123.2

Performance data

Polar CSV

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

6,43,5.565023,52,6.18,60,6.49,75,6.69,90,6.76,110,6.49,120,6.12,135,5.44,140.6,5.098782,150,4.55
8,40.5,6.457077,52,7.22,60,7.5,75,7.65,90,7.8,110,7.63,120,7.39,135,6.78,146,6.006965,150,5.75
10,39,6.729753,52,7.57,60,7.83,75,8.1,90,8.21,110,8.28,120,8.16,135,7.72,149.6,6.875253,150,6.85
12,39,6.935634,52,7.73,60,7.98,75,8.3,90,8.5,110,8.77,120,8.71,135,8.32,150,7.72,155.2,7.446759
14,38.8,7.018778,52,7.82,60,8.08,75,8.43,90,8.75,110,9.15,120,9.21,135,8.9,150,8.29,162.8,7.756901
16,39,7.102913,52,7.88,60,8.14,75,8.53,90,8.91,110,9.42,120,9.65,135,9.51,150,8.81,173.6,8.030044
20,39.4,7.117589,52,7.9,60,8.19,75,8.64,90,9.11,110,9.9,120,10.5,135,10.98,150,10.04,175.4,9.019051

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.18	6.49	6.69	6.76	6.49	6.12	5.44	4.55
8	7.22	7.5	7.65	7.8	7.63	7.39	6.78	5.75
10	7.57	7.83	8.1	8.21	8.28	8.16	7.72	6.85
12	7.73	7.98	8.3	8.5	8.77	8.71	8.32	7.72
14	7.82	8.08	8.43	8.75	9.15	9.21	8.9	8.29
16	7.88	8.14	8.53	8.91	9.42	9.65	9.51	8.81
20	7.9	8.19	8.64	9.11	9.9	10.5	10.98	10.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.07	140.6°	3.94
8	40.5°	4.91	146°	4.98
10	39°	5.23	149.6°	5.93
12	39°	5.39	155.2°	6.76
14	38.8°	5.47	162.8°	7.41
16	39°	5.52	173.6°	7.98
20	39.4°	5.5	175.4°	8.99

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°	6.18	7.22	7.57	7.73	7.82	7.88	7.90
60°	6.49	7.50	7.83	7.98	8.08	8.14	8.19
75°	6.69	7.65	8.10	8.30	8.43	8.53	8.64
90°	6.76	7.80	8.21	8.50	8.75	8.91	9.11
110°	6.49	7.63	8.28	8.77	9.15	9.42	9.90
120°	6.12	7.39	8.16	8.71	9.21	9.65	10.50
135°	5.44	6.78	7.72	8.32	8.90	9.51	10.98
150°	4.55	5.75	6.85	7.72	8.29	8.81	10.04