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GPH

758.7

OSN

736.4

LOA

9.088 m

Displacement

5500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5237

Medium

0.7148

High

0.8636

Triple Offshore

Low

0.6791

Medium

0.8951

High

1.0304

Boat Specifications

Dimensions

Length overall: 9.088 m
Beam: 2.77 m
Draft: 1.26 m
Displacement: 5500 kg
Crew weight: 503 kg
Wetted surface: 23.19 m²

Sails

Mainsail: 26.75 m²
Genoa: 25.18 m²
Spinnaker: 58.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: ONE OFF/SPISSGATTE
Builder: Kais Båtbyggeri
Year built: 1991
Stability index: 142.7

Performance data

Polar CSV

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

6,45.3,3.781661,52,4.13,60,4.45,75,4.64,90,4.69,110,4.74,120,4.6,135,4.15,147.8,3.628013,150,3.55
8,43.6,4.405032,52,4.91,60,5.2,75,5.42,90,5.62,110,5.71,120,5.54,135,5.04,150,4.48,152.3,4.393526
10,43.6,4.91596,52,5.5,60,5.81,75,6.04,90,6.28,110,6.34,120,6.25,135,5.87,150,5.26,155.6,5.029189
12,44.4,5.416582,52,5.94,60,6.18,75,6.36,90,6.58,110,6.66,120,6.6,135,6.38,150,5.97,157.7,5.674389
14,43.6,5.758302,52,6.2,60,6.39,75,6.55,90,6.78,110,6.91,120,6.86,135,6.68,150,6.41,171.8,5.910427
16,42.3,5.894831,52,6.36,60,6.52,75,6.7,90,6.92,110,7.17,120,7.13,135,6.94,150,6.68,179,6.30096
20,41.1,6.011439,52,6.49,60,6.68,75,6.95,90,7.12,110,7.62,120,7.66,135,7.51,150,7.19,179,6.83104

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.13	4.45	4.64	4.69	4.74	4.6	4.15	3.55
8	4.91	5.2	5.42	5.62	5.71	5.54	5.04	4.48
10	5.5	5.81	6.04	6.28	6.34	6.25	5.87	5.26
12	5.94	6.18	6.36	6.58	6.66	6.6	6.38	5.97
14	6.2	6.39	6.55	6.78	6.91	6.86	6.68	6.41
16	6.36	6.52	6.7	6.92	7.17	7.13	6.94	6.68
20	6.49	6.68	6.95	7.12	7.62	7.66	7.51	7.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.3°	2.66	147.8°	3.07
8	43.6°	3.19	152.3°	3.89
10	43.6°	3.56	155.6°	4.58
12	44.4°	3.87	157.7°	5.25
14	43.6°	4.17	171.8°	5.85
16	42.3°	4.36	179°	6.3
20	41.1°	4.53	179°	6.83

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°	4.13	4.91	5.50	5.94	6.20	6.36	6.49
60°	4.45	5.20	5.81	6.18	6.39	6.52	6.68
75°	4.64	5.42	6.04	6.36	6.55	6.70	6.95
90°	4.69	5.62	6.28	6.58	6.78	6.92	7.12
110°	4.74	5.71	6.34	6.66	6.91	7.17	7.62
120°	4.60	5.54	6.25	6.60	6.86	7.13	7.66
135°	4.15	5.04	5.87	6.38	6.68	6.94	7.51
150°	3.55	4.48	5.26	5.97	6.41	6.68	7.19