EDMON: ORC Rating

GPH

696.3

OSN

674.4

LOA

8.99 m

Displacement

3712 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5872

Medium

0.8002

High

0.9225

Triple Offshore

Low

0.7542

Medium

0.9723

High

1.0854

Boat Specifications

Dimensions

Length overall: 8.99 m
Beam: 3.24 m
Draft: 1.74 m
Displacement: 3712 kg
Crew weight: 450 kg
Wetted surface: 19.92 m²

Sails

Mainsail: 25.68 m²
Genoa: 26.69 m²
Spinnaker: 52.07 m²
Asymmetric spinnaker: 0 m²

Design

Type: FORTUNA 9
Builder: MONOTIPO
Designer: J. VISIERS
Year built: 1989
Stability index: 119.2

Performance data

Polar CSV

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

6,43,4.334428,52,4.83,60,5.08,75,5.23,90,5.13,110,5.04,120,4.86,135,4.35,146.6,3.821055,150,3.69
8,41.2,5.076986,52,5.66,60,5.87,75,6.01,90,5.97,110,6.01,120,5.86,135,5.35,150,4.71,151.4,4.647015
10,39.6,5.554739,52,6.13,60,6.28,75,6.4,90,6.47,110,6.53,120,6.44,135,6.1,150,5.55,155,5.340349
12,38.1,5.820049,52,6.39,60,6.52,75,6.65,90,6.77,110,6.87,120,6.79,135,6.54,150,6.18,162.8,5.757484
14,37.2,5.925703,52,6.53,60,6.68,75,6.85,90,6.98,110,7.17,120,7.1,135,6.87,150,6.57,175.4,6.089615
16,37,5.985208,52,6.6,60,6.78,75,7.01,90,7.12,110,7.45,120,7.41,135,7.19,150,6.88,179,6.480987
20,37,6.022773,52,6.67,60,6.87,75,7.2,90,7.43,110,7.91,120,8.03,135,7.86,150,7.49,179,7.071077

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.08	5.23	5.13	5.04	4.86	4.35	3.69
8	5.66	5.87	6.01	5.97	6.01	5.86	5.35	4.71
10	6.13	6.28	6.4	6.47	6.53	6.44	6.1	5.55
12	6.39	6.52	6.65	6.77	6.87	6.79	6.54	6.18
14	6.53	6.68	6.85	6.98	7.17	7.1	6.87	6.57
16	6.6	6.78	7.01	7.12	7.45	7.41	7.19	6.88
20	6.67	6.87	7.2	7.43	7.91	8.03	7.86	7.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.17	146.6°	3.19
8	41.2°	3.82	151.4°	4.08
10	39.6°	4.28	155°	4.84
12	38.1°	4.58	162.8°	5.5
14	37.2°	4.72	175.4°	6.07
16	37°	4.78	179°	6.48
20	37°	4.81	179°	7.07

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°	4.83	5.66	6.13	6.39	6.53	6.60	6.67
60°	5.08	5.87	6.28	6.52	6.68	6.78	6.87
75°	5.23	6.01	6.40	6.65	6.85	7.01	7.20
90°	5.13	5.97	6.47	6.77	6.98	7.12	7.43
110°	5.04	6.01	6.53	6.87	7.17	7.45	7.91
120°	4.86	5.86	6.44	6.79	7.10	7.41	8.03
135°	4.35	5.35	6.10	6.54	6.87	7.19	7.86
150°	3.69	4.71	5.55	6.18	6.57	6.88	7.49