Barmaley: ORC Rating

GPH

550.5

OSN

529.7

LOA

17.15 m

Displacement

17625 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6866

Medium

0.9916

High

1.1819

Triple Offshore

Low

0.8993

Medium

1.2547

High

1.4635

Boat Specifications

Dimensions

Length overall: 17.15 m
Beam: 5.05 m
Draft: 2.49 m
Displacement: 17625 kg
Crew weight: 1296 kg
Wetted surface: 61.8 m²

Sails

Mainsail: 70.8 m²
Genoa: 56.33 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 196.06 m²

Design

Type: Dufour 560 GL
Builder: Dufour
Designer: Umberto Felci
Year built: 2019
Stability index: 117.4

Performance data

Polar CSV

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

6,46.2,4.926726,52,5.38,60,5.8,75,6.09,90,6.17,110,6.29,120,6.12,135,5.45,142.4,4.998172,150,4.58
8,44.4,6.060414,52,6.7,60,7.11,75,7.4,90,7.64,110,7.83,120,7.64,135,6.94,145.1,6.254939,150,5.92
10,43,6.93235,52,7.67,60,8.06,75,8.35,90,8.68,110,8.92,120,8.77,135,8.16,147.8,7.267844,150,7.11
12,41.7,7.55386,52,8.38,60,8.72,75,8.98,90,9.3,110,9.58,120,9.49,135,9.05,148.7,8.215726,150,8.11
14,40.8,7.952496,52,8.84,60,9.14,75,9.4,90,9.6,110,10.11,120,10.06,135,9.65,149.2,8.941046,150,8.86
16,40.6,8.152554,52,9.08,60,9.4,75,9.72,90,9.8,110,10.58,120,10.63,135,10.21,149.6,9.40275,150,9.37
20,40.6,8.284259,52,9.24,60,9.61,75,10.18,90,10.47,110,11.24,120,11.8,135,11.43,150,10.15,173,9.087739

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.8	6.09	6.17	6.29	6.12	5.45	4.58
8	6.7	7.11	7.4	7.64	7.83	7.64	6.94	5.92
10	7.67	8.06	8.35	8.68	8.92	8.77	8.16	7.11
12	8.38	8.72	8.98	9.3	9.58	9.49	9.05	8.11
14	8.84	9.14	9.4	9.6	10.11	10.06	9.65	8.86
16	9.08	9.4	9.72	9.8	10.58	10.63	10.21	9.37
20	9.24	9.61	10.18	10.47	11.24	11.8	11.43	10.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.2°	3.41	142.4°	3.96
8	44.4°	4.33	145.1°	5.13
10	43°	5.07	147.8°	6.15
12	41.7°	5.64	148.7°	7.02
14	40.8°	6.02	149.2°	7.68
16	40.6°	6.19	149.6°	8.11
20	40.6°	6.29	173°	9.02

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°	5.38	6.70	7.67	8.38	8.84	9.08	9.24
60°	5.80	7.11	8.06	8.72	9.14	9.40	9.61
75°	6.09	7.40	8.35	8.98	9.40	9.72	10.18
90°	6.17	7.64	8.68	9.30	9.60	9.80	10.47
110°	6.29	7.83	8.92	9.58	10.11	10.58	11.24
120°	6.12	7.64	8.77	9.49	10.06	10.63	11.80
135°	5.45	6.94	8.16	9.05	9.65	10.21	11.43
150°	4.58	5.92	7.11	8.11	8.86	9.37	10.15