Sutalaus: ORC Rating

GPH

730.4

OSN

707.7

LOA

8.06 m

Displacement

1800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5653

Medium

0.7644

High

0.8694

Triple Offshore

Low

0.7242

Medium

0.9248

High

1.0256

Boat Specifications

Dimensions

Length overall: 8.06 m
Beam: 2.34 m
Draft: 1.43 m
Displacement: 1800 kg
Crew weight: 371 kg
Wetted surface: 13.65 m²

Sails

Mainsail: 16.94 m²
Genoa: 18.43 m²
Spinnaker: 41.42 m²
Asymmetric spinnaker: 0 m²

Design

Type: International 806
Builder: Monark
Designer: Pelle Petterson
Year built: 1974
Stability index: 109

Performance data

Polar CSV

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

6,42.6,4.15706,52,4.63,60,4.85,75,4.97,90,4.87,110,4.87,120,4.72,135,4.21,146.9,3.676652,150,3.55
8,40.8,4.848116,52,5.4,60,5.57,75,5.68,90,5.68,110,5.76,120,5.64,135,5.16,150,4.53,151.4,4.476169
10,38.8,5.260875,52,5.79,60,5.92,75,6.03,90,6.11,110,6.21,120,6.14,135,5.89,150,5.37,153.2,5.220787
12,37.2,5.423525,52,6,60,6.13,75,6.26,90,6.35,110,6.54,120,6.5,135,6.28,150,5.95,162.8,5.579526
14,37,5.521918,52,6.1,60,6.25,75,6.44,90,6.52,110,6.83,120,6.83,135,6.62,150,6.3,177.2,5.84698
16,37,5.584525,52,6.16,60,6.32,75,6.58,90,6.72,110,7.07,120,7.16,135,6.96,150,6.62,179,6.190943
20,37.6,5.641876,52,6.21,60,6.4,75,6.73,90,7.02,110,7.42,120,7.8,135,7.82,150,7.29,179,6.791034

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.63	4.85	4.97	4.87	4.87	4.72	4.21	3.55
8	5.4	5.57	5.68	5.68	5.76	5.64	5.16	4.53
10	5.79	5.92	6.03	6.11	6.21	6.14	5.89	5.37
12	6	6.13	6.26	6.35	6.54	6.5	6.28	5.95
14	6.1	6.25	6.44	6.52	6.83	6.83	6.62	6.3
16	6.16	6.32	6.58	6.72	7.07	7.16	6.96	6.62
20	6.21	6.4	6.73	7.02	7.42	7.8	7.82	7.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.06	146.9°	3.08
8	40.8°	3.67	151.4°	3.93
10	38.8°	4.1	153.2°	4.66
12	37.2°	4.32	162.8°	5.33
14	37°	4.41	177.2°	5.84
16	37°	4.46	179°	6.19
20	37.6°	4.47	179°	6.79

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°	4.63	5.40	5.79	6.00	6.10	6.16	6.21
60°	4.85	5.57	5.92	6.13	6.25	6.32	6.40
75°	4.97	5.68	6.03	6.26	6.44	6.58	6.73
90°	4.87	5.68	6.11	6.35	6.52	6.72	7.02
110°	4.87	5.76	6.21	6.54	6.83	7.07	7.42
120°	4.72	5.64	6.14	6.50	6.83	7.16	7.80
135°	4.21	5.16	5.89	6.28	6.62	6.96	7.82
150°	3.55	4.53	5.37	5.95	6.30	6.62	7.29