Pri: ORC Rating

GPH

724.6

OSN

704.6

LOA

8.06 m

Displacement

1800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5656

Medium

0.767

High

0.8695

Triple Offshore

Low

0.7287

Medium

0.932

High

1.0363

Boat Specifications

Dimensions

Length overall: 8.06 m
Beam: 2.34 m
Draft: 1.43 m
Displacement: 1800 kg
Crew weight: 372 kg
Wetted surface: 13.6 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

Performance data

Polar CSV

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

6,42,4.050355,52,4.59,60,4.85,75,5.05,90,4.99,110,4.95,120,4.79,135,4.3,148,3.726204,150,3.64
8,42,4.844278,52,5.41,60,5.62,75,5.78,90,5.78,110,5.85,120,5.75,135,5.26,150,4.58,152,4.496303
10,40.1,5.320808,52,5.83,60,5.97,75,6.09,90,6.19,110,6.27,120,6.2,135,5.97,150,5.43,152,5.345731
12,38.6,5.514891,52,6.04,60,6.18,75,6.32,90,6.44,110,6.63,120,6.57,135,6.33,150,6.02,166,5.57562
14,38.1,5.591313,52,6.13,60,6.31,75,6.54,90,6.63,110,7,120,6.97,135,6.69,150,6.34,180,5.93
16,37.9,5.626777,52,6.18,60,6.37,75,6.7,90,6.89,110,7.28,120,7.36,135,7.09,150,6.68,180,6.26
20,39,5.636007,52,6.18,60,6.4,75,6.83,90,7.25,110,7.62,120,8.01,135,7.95,150,7.42,180,6.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.59	4.85	5.05	4.99	4.95	4.79	4.3	3.64
8	5.41	5.62	5.78	5.78	5.85	5.75	5.26	4.58
10	5.83	5.97	6.09	6.19	6.27	6.2	5.97	5.43
12	6.04	6.18	6.32	6.44	6.63	6.57	6.33	6.02
14	6.13	6.31	6.54	6.63	7	6.97	6.69	6.34
16	6.18	6.37	6.7	6.89	7.28	7.36	7.09	6.68
20	6.18	6.4	6.83	7.25	7.62	8.01	7.95	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.01	148°	3.16
8	42°	3.6	152°	3.97
10	40.1°	4.07	152°	4.72
12	38.6°	4.31	166°	5.41
14	38.1°	4.4	180°	5.93
16	37.9°	4.44	180°	6.26
20	39°	4.38	180°	6.91

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°	4.59	5.41	5.83	6.04	6.13	6.18	6.18
60°	4.85	5.62	5.97	6.18	6.31	6.37	6.40
75°	5.05	5.78	6.09	6.32	6.54	6.70	6.83
90°	4.99	5.78	6.19	6.44	6.63	6.89	7.25
110°	4.95	5.85	6.27	6.63	7.00	7.28	7.62
120°	4.79	5.75	6.20	6.57	6.97	7.36	8.01
135°	4.30	5.26	5.97	6.33	6.69	7.09	7.95
150°	3.64	4.58	5.43	6.02	6.34	6.68	7.42