MEFISTOFELE: ORC Rating

GPH

620.4

OSN

603.5

LOA

12.495 m

Displacement

9175 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6646

Medium

0.8881

High

1.0218

Triple Offshore

Low

0.8523

Medium

1.0887

High

1.2086

Boat Specifications

Dimensions

Length overall: 12.495 m
Beam: 3.74 m
Draft: 2.22 m
Displacement: 9175 kg
Crew weight: 830 kg
Wetted surface: 33.03 m²

Sails

Mainsail: 49.25 m²
Genoa: 45.43 m²
Spinnaker: 128.52 m²
Asymmetric spinnaker: 121.78 m²

Design

Type: proto IOR 79
Builder: Pezzini
Designer: Lombardi
Year built: 1979
Stability index: 139.3

Performance data

Polar CSV

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

6,42.4,4.726081,52,5.28,60,5.55,75,5.77,90,5.7,110,5.76,120,5.61,135,5.12,145.1,4.608902,150,4.37
8,40.6,5.492108,52,6.21,60,6.51,75,6.73,90,6.79,110,6.92,120,6.8,135,6.26,148.7,5.500558,150,5.43
10,41.2,6.180101,52,6.85,60,7.05,75,7.2,90,7.31,110,7.45,120,7.4,135,7.12,150,6.4,150.5,6.376703
12,40.6,6.506238,52,7.12,60,7.3,75,7.46,90,7.52,110,7.78,120,7.76,135,7.55,150,7.14,157.7,6.809267
14,39.9,6.621781,52,7.25,60,7.44,75,7.64,90,7.75,110,8.06,120,8.11,135,7.89,150,7.54,170,7.006444
16,39.4,6.677593,52,7.32,60,7.53,75,7.79,90,7.95,110,8.25,120,8.45,135,8.26,150,7.87,178.1,7.364049
20,38.4,6.813889,52,7.41,60,7.58,75,7.97,90,8.31,110,8.56,120,8.9,135,9,150,8.59,179,8.001219

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.55	5.77	5.7	5.76	5.61	5.12	4.37
8	6.21	6.51	6.73	6.79	6.92	6.8	6.26	5.43
10	6.85	7.05	7.2	7.31	7.45	7.4	7.12	6.4
12	7.12	7.3	7.46	7.52	7.78	7.76	7.55	7.14
14	7.25	7.44	7.64	7.75	8.06	8.11	7.89	7.54
16	7.32	7.53	7.79	7.95	8.25	8.45	8.26	7.87
20	7.41	7.58	7.97	8.31	8.56	8.9	9	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.49	145.1°	3.78
8	40.6°	4.17	148.7°	4.7
10	41.2°	4.65	150.5°	5.55
12	40.6°	4.94	157.7°	6.3
14	39.9°	5.08	170°	6.9
16	39.4°	5.16	178.1°	7.36
20	38.4°	5.34	179°	8

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°	5.28	6.21	6.85	7.12	7.25	7.32	7.41
60°	5.55	6.51	7.05	7.30	7.44	7.53	7.58
75°	5.77	6.73	7.20	7.46	7.64	7.79	7.97
90°	5.70	6.79	7.31	7.52	7.75	7.95	8.31
110°	5.76	6.92	7.45	7.78	8.06	8.25	8.56
120°	5.61	6.80	7.40	7.76	8.11	8.45	8.90
135°	5.12	6.26	7.12	7.55	7.89	8.26	9.00
150°	4.37	5.43	6.40	7.14	7.54	7.87	8.59