PROVIDENCE: ORC Rating

GPH

690.1

OSN

673.3

LOA

10.628 m

Displacement

5292 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5947

Medium

0.7946

High

0.9076

Triple Offshore

Low

0.7654

Medium

0.9783

High

1.0859

Boat Specifications

Dimensions

Length overall: 10.628 m
Beam: 3.06 m
Draft: 1.54 m
Displacement: 5292 kg
Crew weight: 681 kg
Wetted surface: 22.49 m²

Sails

Mainsail: 26.4 m²
Genoa: 43.91 m²
Spinnaker: 82.99 m²
Asymmetric spinnaker: 0 m²

Design

Type: ERC352
Builder: ERICSON
Designer: KING, BRUCE
Year built: 1969

Performance data

Polar CSV

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

6,43.5,4.301227,52,4.76,60,5.05,75,5.3,90,5.27,110,5.11,120,4.99,135,4.59,148,4.03279,150,3.95
8,42.8,5.001841,52,5.6,60,5.92,75,6.14,90,6.15,110,6.16,120,6.05,135,5.59,150,4.91,152,4.813423
10,43.5,5.693612,52,6.19,60,6.39,75,6.53,90,6.57,110,6.68,120,6.62,135,6.37,150,5.78,151,5.728204
12,42.2,5.91249,52,6.45,60,6.63,75,6.78,90,6.84,110,7.02,120,6.97,135,6.77,150,6.44,160,6.065813
14,41.6,6.03104,52,6.56,60,6.75,75,6.96,90,7.05,110,7.33,120,7.32,135,7.09,150,6.79,180,6.29
16,41.2,6.073777,52,6.62,60,6.81,75,7.09,90,7.26,110,7.57,120,7.65,135,7.43,150,7.08,180,6.68
20,41.8,6.116897,52,6.65,60,6.86,75,7.22,90,7.58,110,7.84,120,8.13,135,8.07,150,7.7,180,7.26

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.76	5.05	5.3	5.27	5.11	4.99	4.59	3.95
8	5.6	5.92	6.14	6.15	6.16	6.05	5.59	4.91
10	6.19	6.39	6.53	6.57	6.68	6.62	6.37	5.78
12	6.45	6.63	6.78	6.84	7.02	6.97	6.77	6.44
14	6.56	6.75	6.96	7.05	7.33	7.32	7.09	6.79
16	6.62	6.81	7.09	7.26	7.57	7.65	7.43	7.08
20	6.65	6.86	7.22	7.58	7.84	8.13	8.07	7.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.12	148°	3.42
8	42.8°	3.67	152°	4.25
10	43.5°	4.13	151°	5.01
12	42.2°	4.38	160°	5.7
14	41.6°	4.51	180°	6.29
16	41.2°	4.57	180°	6.68
20	41.8°	4.56	180°	7.26

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°	4.76	5.60	6.19	6.45	6.56	6.62	6.65
60°	5.05	5.92	6.39	6.63	6.75	6.81	6.86
75°	5.30	6.14	6.53	6.78	6.96	7.09	7.22
90°	5.27	6.15	6.57	6.84	7.05	7.26	7.58
110°	5.11	6.16	6.68	7.02	7.33	7.57	7.84
120°	4.99	6.05	6.62	6.97	7.32	7.65	8.13
135°	4.59	5.59	6.37	6.77	7.09	7.43	8.07
150°	3.95	4.91	5.78	6.44	6.79	7.08	7.70