Effie Marconi: ORC Rating

GPH

667.6

OSN

647.5

LOA

11.1 m

Displacement

5835 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6767

Medium

0.9242

High

1.0687

Triple Offshore

Low

0.8727

Medium

1.1464

High

1.2857

Boat Specifications

Dimensions

Length overall: 11.1 m
Beam: 3.64 m
Draft: 1.79 m
Displacement: 5835 kg
Crew weight: 609 kg
Wetted surface: 25.74 m²

Sails

Mainsail: 33.19 m²
Genoa: 32.39 m²
Spinnaker: 68.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: BAVARIA 37 AC 99-0
Builder: Bavaria Yachtbau
Designer: Jakopin & Jakopin
Year built: 1999

Performance data

Polar CSV

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

6,43.1,4.355196,52,4.85,60,5.12,75,5.34,90,5.28,110,5.23,120,5.06,135,4.57,146.7,4.03203,150,3.89
8,41.7,5.102873,52,5.74,60,6.04,75,6.3,90,6.28,110,6.34,120,6.15,135,5.6,150,4.92,151.3,4.856659
10,41.9,5.777151,52,6.45,60,6.7,75,6.87,90,6.97,110,7.02,120,6.91,135,6.51,150,5.8,153.5,5.620524
12,41.2,6.180101,52,6.81,60,7.01,75,7.18,90,7.3,110,7.39,120,7.31,135,7.05,150,6.58,156.9,6.262085
14,40.6,6.30868,52,6.97,60,7.17,75,7.38,90,7.49,110,7.72,120,7.64,135,7.39,150,7.06,174.5,6.449693
16,40.5,6.365021,52,7.03,60,7.25,75,7.54,90,7.66,110,8.04,120,8,135,7.72,150,7.38,180,6.94
20,42.6,6.480123,52,7.03,60,7.28,75,7.7,90,8.04,110,8.45,120,8.67,135,8.44,150,8.02,180,7.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.12	5.34	5.28	5.23	5.06	4.57	3.89
8	5.74	6.04	6.3	6.28	6.34	6.15	5.6	4.92
10	6.45	6.7	6.87	6.97	7.02	6.91	6.51	5.8
12	6.81	7.01	7.18	7.3	7.39	7.31	7.05	6.58
14	6.97	7.17	7.38	7.49	7.72	7.64	7.39	7.06
16	7.03	7.25	7.54	7.66	8.04	8	7.72	7.38
20	7.03	7.28	7.7	8.04	8.45	8.67	8.44	8.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.18	146.7°	3.37
8	41.7°	3.81	151.3°	4.26
10	41.9°	4.3	153.5°	5.03
12	41.2°	4.65	156.9°	5.76
14	40.6°	4.79	174.5°	6.42
16	40.5°	4.84	180°	6.94
20	42.6°	4.77	180°	7.57

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°	4.85	5.74	6.45	6.81	6.97	7.03	7.03
60°	5.12	6.04	6.70	7.01	7.17	7.25	7.28
75°	5.34	6.30	6.87	7.18	7.38	7.54	7.70
90°	5.28	6.28	6.97	7.30	7.49	7.66	8.04
110°	5.23	6.34	7.02	7.39	7.72	8.04	8.45
120°	5.06	6.15	6.91	7.31	7.64	8.00	8.67
135°	4.57	5.60	6.51	7.05	7.39	7.72	8.44
150°	3.89	4.92	5.80	6.58	7.06	7.38	8.02