Vittoria: ORC Rating

GPH

640.3

OSN

621.7

LOA

12.824 m

Displacement

9005 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6395

Medium

0.8597

High

0.9866

Triple Offshore

Low

0.8199

Medium

1.0583

High

1.1731

Boat Specifications

Dimensions

Length overall: 12.824 m
Beam: 3.78 m
Draft: 2.12 m
Displacement: 9005 kg
Crew weight: 560 kg
Wetted surface: 32.15 m²

Sails

Mainsail: 40.33 m²
Genoa: 42.88 m²
Spinnaker: 132.79 m²
Asymmetric spinnaker: 0 m²

Design

Type: 42 FT Sloop
Builder: Quilkey Brothers
Designer: Sparkman & Stephen
Year built: 1970
Stability index: 125.5

Performance data

Polar CSV

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

6,43,4.484834,52,4.99,60,5.26,75,5.47,90,5.44,110,5.6,120,5.49,135,5.04,146,4.499193,150,4.3
8,40.8,5.191579,52,5.87,60,6.17,75,6.41,90,6.54,110,6.77,120,6.66,135,6.16,150,5.36,151.1,5.311466
10,41.2,5.874418,52,6.58,60,6.83,75,7.01,90,7.08,110,7.35,120,7.31,135,7.02,150,6.33,150.2,6.326594
12,41.7,6.32167,52,6.93,60,7.13,75,7.31,90,7.35,110,7.66,120,7.68,135,7.47,150,7.08,157.4,6.759024
14,41.2,6.432621,52,7.06,60,7.28,75,7.49,90,7.59,110,7.83,120,8.01,135,7.83,150,7.48,168.5,6.959718
16,41.1,6.502439,52,7.13,60,7.35,75,7.63,90,7.79,110,7.99,120,8.24,135,8.2,150,7.82,177.2,7.298714
20,40.2,6.59862,52,7.21,60,7.39,75,7.76,90,8.1,110,8.17,120,8.57,135,8.9,150,8.53,178.4,7.943097

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.26	5.47	5.44	5.6	5.49	5.04	4.3
8	5.87	6.17	6.41	6.54	6.77	6.66	6.16	5.36
10	6.58	6.83	7.01	7.08	7.35	7.31	7.02	6.33
12	6.93	7.13	7.31	7.35	7.66	7.68	7.47	7.08
14	7.06	7.28	7.49	7.59	7.83	8.01	7.83	7.48
16	7.13	7.35	7.63	7.79	7.99	8.24	8.2	7.82
20	7.21	7.39	7.76	8.1	8.17	8.57	8.9	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.28	146°	3.73
8	40.8°	3.93	151.1°	4.65
10	41.2°	4.42	150.2°	5.49
12	41.7°	4.72	157.4°	6.24
14	41.2°	4.84	168.5°	6.82
16	41.1°	4.9	177.2°	7.29
20	40.2°	5.04	178.4°	7.94

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°	4.99	5.87	6.58	6.93	7.06	7.13	7.21
60°	5.26	6.17	6.83	7.13	7.28	7.35	7.39
75°	5.47	6.41	7.01	7.31	7.49	7.63	7.76
90°	5.44	6.54	7.08	7.35	7.59	7.79	8.10
110°	5.60	6.77	7.35	7.66	7.83	7.99	8.17
120°	5.49	6.66	7.31	7.68	8.01	8.24	8.57
135°	5.04	6.16	7.02	7.47	7.83	8.20	8.90
150°	4.30	5.36	6.33	7.08	7.48	7.82	8.53