NOI3: ORC Rating

GPH

668.1

OSN

649.3

LOA

9.35 m

Displacement

3103 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6305

Medium

0.8348

High

0.9356

Triple Offshore

Low

0.8035

Medium

1.0057

High

1.1027

Boat Specifications

Dimensions

Length overall: 9.35 m
Beam: 3.17 m
Draft: 1.75 m
Displacement: 3103 kg
Crew weight: 400 kg
Wetted surface: 17.52 m²

Sails

Mainsail: 21.54 m²
Genoa: 29.41 m²
Spinnaker: 80.24 m²
Asymmetric spinnaker: 0 m²

Design

Type: Mescal 959
Builder: Mescal
Designer: Alberigi
Year built: 1985
Stability index: 115.4

Performance data

Polar CSV

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

6,42.1,4.582359,52,5.12,60,5.35,75,5.49,90,5.36,110,5.4,120,5.24,135,4.7,146,4.173514,150,4
8,40.5,5.339253,52,5.91,60,6.07,75,6.18,90,6.13,110,6.3,120,6.24,135,5.83,150,5.06,150.2,5.047447
10,38.4,5.703761,52,6.29,60,6.42,75,6.52,90,6.52,110,6.74,120,6.72,135,6.51,150,5.97,152.3,5.850505
12,37.8,5.872265,52,6.47,60,6.61,75,6.74,90,6.78,110,7.04,120,7.07,135,6.9,150,6.55,161,6.197657
14,37.6,5.957417,52,6.56,60,6.72,75,6.91,90,6.99,110,7.3,120,7.4,135,7.27,150,6.91,175.4,6.380553
16,37.6,6.007904,52,6.61,60,6.78,75,7.04,90,7.18,110,7.48,120,7.7,135,7.66,150,7.26,178.1,6.743708
20,38.2,6.044357,52,6.64,60,6.84,75,7.18,90,7.48,110,7.8,120,8.22,135,8.58,150,8.06,178.4,7.392882

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.35	5.49	5.36	5.4	5.24	4.7	4
8	5.91	6.07	6.18	6.13	6.3	6.24	5.83	5.06
10	6.29	6.42	6.52	6.52	6.74	6.72	6.51	5.97
12	6.47	6.61	6.74	6.78	7.04	7.07	6.9	6.55
14	6.56	6.72	6.91	6.99	7.3	7.4	7.27	6.91
16	6.61	6.78	7.04	7.18	7.48	7.7	7.66	7.26
20	6.64	6.84	7.18	7.48	7.8	8.22	8.58	8.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.4	146°	3.46
8	40.5°	4.06	150.2°	4.38
10	38.4°	4.47	152.3°	5.18
12	37.8°	4.64	161°	5.86
14	37.6°	4.72	175.4°	6.36
16	37.6°	4.76	178.1°	6.74
20	38.2°	4.75	178.4°	7.39

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°	5.12	5.91	6.29	6.47	6.56	6.61	6.64
60°	5.35	6.07	6.42	6.61	6.72	6.78	6.84
75°	5.49	6.18	6.52	6.74	6.91	7.04	7.18
90°	5.36	6.13	6.52	6.78	6.99	7.18	7.48
110°	5.40	6.30	6.74	7.04	7.30	7.48	7.80
120°	5.24	6.24	6.72	7.07	7.40	7.70	8.22
135°	4.70	5.83	6.51	6.90	7.27	7.66	8.58
150°	4.00	5.06	5.97	6.55	6.91	7.26	8.06