Effie Marconi: ORC Rating

GPH

666.2

OSN

647.2

LOA

11.1 m

Displacement

5809 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6023

Medium

0.8218

High

0.9498

Triple Offshore

Low

0.7799

Medium

1.0197

High

1.1424

Boat Specifications

Dimensions

Length overall: 11.1 m
Beam: 3.64 m
Draft: 1.79 m
Displacement: 5809 kg
Crew weight: 609 kg
Wetted surface: 25.67 m²

Sails

Mainsail: 33.19 m²
Genoa: 32.39 m²
Spinnaker: 69.13 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.

6,43.5,4.383943,52,4.9,60,5.2,75,5.43,90,5.37,110,5.28,120,5.1,135,4.61,146.5,4.065305,150,3.91
8,42.4,5.145877,52,5.77,60,6.1,75,6.36,90,6.34,110,6.4,120,6.2,135,5.64,150,4.94,151,4.893555
10,42,5.786221,52,6.44,60,6.69,75,6.88,90,6.97,110,7.04,120,6.94,135,6.54,150,5.81,153,5.667748
12,41.2,6.180101,52,6.8,60,6.99,75,7.16,90,7.3,110,7.4,120,7.33,135,7.07,150,6.59,157,6.268299
14,40.5,6.299267,52,6.95,60,7.16,75,7.36,90,7.48,110,7.73,120,7.66,135,7.41,150,7.07,174,6.465418
16,40.5,6.35187,52,7.01,60,7.23,75,7.52,90,7.66,110,8.06,120,8.01,135,7.74,150,7.39,180,6.95
20,41.2,6.326297,52,7.01,60,7.26,75,7.67,90,8.04,110,8.46,120,8.68,135,8.47,150,8.04,180,7.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.2	5.43	5.37	5.28	5.1	4.61	3.91
8	5.77	6.1	6.36	6.34	6.4	6.2	5.64	4.94
10	6.44	6.69	6.88	6.97	7.04	6.94	6.54	5.81
12	6.8	6.99	7.16	7.3	7.4	7.33	7.07	6.59
14	6.95	7.16	7.36	7.48	7.73	7.66	7.41	7.07
16	7.01	7.23	7.52	7.66	8.06	8.01	7.74	7.39
20	7.01	7.26	7.67	8.04	8.46	8.68	8.47	8.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.18	146.5°	3.39
8	42.4°	3.8	151°	4.28
10	42°	4.3	153°	5.05
12	41.2°	4.65	157°	5.77
14	40.5°	4.79	174°	6.43
16	40.5°	4.83	180°	6.95
20	41.2°	4.76	180°	7.58

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°	4.90	5.77	6.44	6.80	6.95	7.01	7.01
60°	5.20	6.10	6.69	6.99	7.16	7.23	7.26
75°	5.43	6.36	6.88	7.16	7.36	7.52	7.67
90°	5.37	6.34	6.97	7.30	7.48	7.66	8.04
110°	5.28	6.40	7.04	7.40	7.73	8.06	8.46
120°	5.10	6.20	6.94	7.33	7.66	8.01	8.68
135°	4.61	5.64	6.54	7.07	7.41	7.74	8.47
150°	3.91	4.94	5.81	6.59	7.07	7.39	8.04