Speculator: ORC Rating

GPH

592.6

OSN

577

LOA

12.495 m

Displacement

7901 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7665

Medium

1.0381

High

1.1921

Triple Offshore

Low

0.9938

Medium

1.287

High

1.4368

Boat Specifications

Dimensions

Length overall: 12.495 m
Beam: 3.84 m
Draft: 2 m
Displacement: 7901 kg
Crew weight: 850 kg
Wetted surface: 34.08 m²

Sails

Mainsail: 50.81 m²
Genoa: 52.12 m²
Spinnaker: 109.38 m²
Asymmetric spinnaker: 0 m²

Design

Type: Finngulf 41
Builder: Finngulf Yachts
Designer: K-J Stråhlmann
Year built: 2001

Performance data

Polar CSV

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

6,44.1,5.082671,52,5.61,60,5.94,75,6.21,90,6.16,110,5.85,120,5.69,135,5.15,144.3,4.617752,150,4.33
8,42.4,5.971925,52,6.68,60,7.01,75,7.24,90,7.22,110,7.13,120,6.96,135,6.35,148.6,5.553272,150,5.47
10,41.8,6.653467,52,7.34,60,7.57,75,7.75,90,7.76,110,7.82,120,7.72,135,7.31,150,6.48,150.9,6.420438
12,40.8,6.895686,52,7.6,60,7.82,75,8.03,90,8.08,110,8.24,120,8.17,135,7.86,150,7.3,154.9,7.056339
14,40.2,6.991395,52,7.7,60,7.93,75,8.23,90,8.37,110,8.63,120,8.61,135,8.26,150,7.84,168,7.207501
16,40,7.049199,52,7.75,60,7.98,75,8.35,90,8.64,110,8.92,120,9.07,135,8.71,150,8.22,180,7.63
20,39.9,7.091042,52,7.8,60,8.02,75,8.46,90,9.02,110,9.37,120,9.79,135,9.74,150,9.07,180,8.39

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.94	6.21	6.16	5.85	5.69	5.15	4.33
8	6.68	7.01	7.24	7.22	7.13	6.96	6.35	5.47
10	7.34	7.57	7.75	7.76	7.82	7.72	7.31	6.48
12	7.6	7.82	8.03	8.08	8.24	8.17	7.86	7.3
14	7.7	7.93	8.23	8.37	8.63	8.61	8.26	7.84
16	7.75	7.98	8.35	8.64	8.92	9.07	8.71	8.22
20	7.8	8.02	8.46	9.02	9.37	9.79	9.74	9.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.65	144.3°	3.75
8	42.4°	4.41	148.6°	4.74
10	41.8°	4.96	150.9°	5.61
12	40.8°	5.22	154.9°	6.39
14	40.2°	5.34	168°	7.05
16	40°	5.4	180°	7.63
20	39.9°	5.44	180°	8.39

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°	5.61	6.68	7.34	7.60	7.70	7.75	7.80
60°	5.94	7.01	7.57	7.82	7.93	7.98	8.02
75°	6.21	7.24	7.75	8.03	8.23	8.35	8.46
90°	6.16	7.22	7.76	8.08	8.37	8.64	9.02
110°	5.85	7.13	7.82	8.24	8.63	8.92	9.37
120°	5.69	6.96	7.72	8.17	8.61	9.07	9.79
135°	5.15	6.35	7.31	7.86	8.26	8.71	9.74
150°	4.33	5.47	6.48	7.30	7.84	8.22	9.07