VALENTINA: ORC Rating

GPH

756.7

OSN

736.6

LOA

8.3 m

Displacement

2680 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5524

Medium

0.7276

High

0.8112

Triple Offshore

Low

0.7052

Medium

0.8902

High

0.9728

Boat Specifications

Dimensions

Length overall: 8.3 m
Beam: 2.87 m
Draft: 1.4 m
Displacement: 2680 kg
Crew weight: 320 kg
Wetted surface: 15.19 m²

Sails

Mainsail: 15.05 m²
Genoa: 26.04 m²
Spinnaker: 58.32 m²
Asymmetric spinnaker: 57.65 m²

Design

Type: EM 830
Builder: Sibma Navale It.
Designer: Quaranta E.M.
Year built: 1982
Stability index: 117.6

Performance data

Polar CSV

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

6,43.6,3.921721,52,4.35,60,4.58,75,4.72,90,4.71,110,4.84,120,4.69,135,4.31,146.6,3.85699,150,3.72
8,42.1,4.555404,52,5.06,60,5.27,75,5.42,90,5.54,110,5.68,120,5.58,135,5.23,150,4.63,151.1,4.580425
10,41.4,4.99926,52,5.51,60,5.69,75,5.83,90,5.99,110,6.14,120,6.1,135,5.87,150,5.39,155.6,5.160958
12,41.1,5.241762,52,5.75,60,5.91,75,6.08,90,6.2,110,6.44,120,6.45,135,6.26,150,5.91,165.8,5.467044
14,41.2,5.316216,52,5.84,60,6.03,75,6.24,90,6.33,110,6.68,120,6.75,135,6.6,150,6.27,176.3,5.812115
16,41.4,5.359206,52,5.88,60,6.07,75,6.34,90,6.49,110,6.89,120,7.02,135,6.91,150,6.58,178.1,6.153383
20,43,5.373597,52,5.86,60,6.09,75,6.43,90,6.71,110,7.18,120,7.56,135,7.56,150,7.18,179,6.741027

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.35	4.58	4.72	4.71	4.84	4.69	4.31	3.72
8	5.06	5.27	5.42	5.54	5.68	5.58	5.23	4.63
10	5.51	5.69	5.83	5.99	6.14	6.1	5.87	5.39
12	5.75	5.91	6.08	6.2	6.44	6.45	6.26	5.91
14	5.84	6.03	6.24	6.33	6.68	6.75	6.6	6.27
16	5.88	6.07	6.34	6.49	6.89	7.02	6.91	6.58
20	5.86	6.09	6.43	6.71	7.18	7.56	7.56	7.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	2.84	146.6°	3.22
8	42.1°	3.38	151.1°	4.01
10	41.4°	3.75	155.6°	4.7
12	41.1°	3.95	165.8°	5.3
14	41.2°	4	176.3°	5.8
16	41.4°	4.02	178.1°	6.15
20	43°	3.93	179°	6.74

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°	4.35	5.06	5.51	5.75	5.84	5.88	5.86
60°	4.58	5.27	5.69	5.91	6.03	6.07	6.09
75°	4.72	5.42	5.83	6.08	6.24	6.34	6.43
90°	4.71	5.54	5.99	6.20	6.33	6.49	6.71
110°	4.84	5.68	6.14	6.44	6.68	6.89	7.18
120°	4.69	5.58	6.10	6.45	6.75	7.02	7.56
135°	4.31	5.23	5.87	6.26	6.60	6.91	7.56
150°	3.72	4.63	5.39	5.91	6.27	6.58	7.18