BACK BAY: ORC Rating

GPH

692.2

OSN

676

LOA

10.33 m

Displacement

5984 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5888

Medium

0.7836

High

0.905

Triple Offshore

Low

0.7608

Medium

0.9759

High

1.088

Boat Specifications

Dimensions

Length overall: 10.33 m
Beam: 3.24 m
Draft: 1.88 m
Displacement: 5984 kg
Crew weight: 537 kg
Wetted surface: 25.3 m²

Sails

Mainsail: 25.7 m²
Genoa: 44.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: Victoire 1044
Builder: Victoria
Designer: D Koopmans
Year built: 1988
Stability index: 126.4

Performance data

Polar CSV

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

6,42.6,4.333667,52,4.81,60,5.06,75,5.26,90,5.38,110,5.17,120,4.9,135,4.36,146.6,3.904903,150,3.76
8,41.2,5.010533,52,5.65,60,5.93,75,6.14,90,6.33,110,6.17,120,5.88,135,5.33,147.3,4.824656,150,4.69
10,41.8,5.687641,52,6.26,60,6.44,75,6.62,90,6.78,110,6.69,120,6.53,135,6.19,146,5.705411,150,5.46
12,41.1,6.011439,52,6.54,60,6.7,75,6.86,90,7.05,110,7,120,6.9,135,6.69,146.9,6.290894,150,6.09
14,40,6.096252,52,6.67,60,6.84,75,7.01,90,7.28,110,7.27,120,7.2,135,7.01,150,6.49,169.4,5.870172
16,39.6,6.164722,52,6.73,60,6.91,75,7.15,90,7.46,110,7.55,120,7.52,135,7.3,150,6.77,171.8,6.354972
20,39.7,6.212637,52,6.78,60,6.97,75,7.31,90,7.66,110,8.03,120,8.1,135,7.89,150,7.22,174.5,6.921867

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.81	5.06	5.26	5.38	5.17	4.9	4.36	3.76
8	5.65	5.93	6.14	6.33	6.17	5.88	5.33	4.69
10	6.26	6.44	6.62	6.78	6.69	6.53	6.19	5.46
12	6.54	6.7	6.86	7.05	7	6.9	6.69	6.09
14	6.67	6.84	7.01	7.28	7.27	7.2	7.01	6.49
16	6.73	6.91	7.15	7.46	7.55	7.52	7.3	6.77
20	6.78	6.97	7.31	7.66	8.03	8.1	7.89	7.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.19	146.6°	3.26
8	41.2°	3.77	147.3°	4.06
10	41.8°	4.24	146°	4.73
12	41.1°	4.53	146.9°	5.27
14	40°	4.67	169.4°	5.77
16	39.6°	4.75	171.8°	6.29
20	39.7°	4.78	174.5°	6.89

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°	4.81	5.65	6.26	6.54	6.67	6.73	6.78
60°	5.06	5.93	6.44	6.70	6.84	6.91	6.97
75°	5.26	6.14	6.62	6.86	7.01	7.15	7.31
90°	5.38	6.33	6.78	7.05	7.28	7.46	7.66
110°	5.17	6.17	6.69	7.00	7.27	7.55	8.03
120°	4.90	5.88	6.53	6.90	7.20	7.52	8.10
135°	4.36	5.33	6.19	6.69	7.01	7.30	7.89
150°	3.76	4.69	5.46	6.09	6.49	6.77	7.22