KAIJA: ORC Rating

GPH

778.4

OSN

753.7

LOA

7.11 m

Displacement

1300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5321

Medium

0.7196

High

0.8165

Triple Offshore

Low

0.68

Medium

0.8678

High

0.9612

Boat Specifications

Dimensions

Length overall: 7.11 m
Beam: 2.49 m
Draft: 1.47 m
Displacement: 1300 kg
Crew weight: 290 kg
Wetted surface: 10.91 m²

Sails

Mainsail: 15.01 m²
Genoa: 11.17 m²
Spinnaker: 26.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: OPTY 71 A
Builder: Teliga
Year built: 1978

Performance data

Polar CSV

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

6,42.2,3.901164,52,4.34,60,4.53,75,4.64,90,4.61,110,4.59,120,4.41,135,3.88,147.9,3.399747,150,3.33
8,40.6,4.557001,52,5.06,60,5.21,75,5.31,90,5.4,110,5.38,120,5.25,135,4.8,150,4.25,152.8,4.148788
10,38.7,4.933175,52,5.43,60,5.55,75,5.65,90,5.79,110,5.8,120,5.71,135,5.47,150,5.02,156.6,4.772517
12,37.3,5.11645,52,5.62,60,5.74,75,5.87,90,6.04,110,6.11,120,6.02,135,5.82,150,5.55,170,5.097442
14,37,5.208884,52,5.73,60,5.87,75,6.04,90,6.21,110,6.39,120,6.32,135,6.11,150,5.86,178.6,5.491639
16,37,5.25897,52,5.78,60,5.94,75,6.17,90,6.33,110,6.65,120,6.63,135,6.4,150,6.14,179.2,5.810566
20,37.9,5.297281,52,5.83,60,6.01,75,6.33,90,6.6,110,7.21,120,7.33,135,7.11,150,6.71,179.2,6.330617
24,40,5.313008,52,5.81,60,6.03,75,6.41,90,6.84,110,7.57,120,8.19,135,8.19,150,7.5,178.8,6.911516

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.34	4.53	4.64	4.61	4.59	4.41	3.88	3.33
8	5.06	5.21	5.31	5.4	5.38	5.25	4.8	4.25
10	5.43	5.55	5.65	5.79	5.8	5.71	5.47	5.02
12	5.62	5.74	5.87	6.04	6.11	6.02	5.82	5.55
14	5.73	5.87	6.04	6.21	6.39	6.32	6.11	5.86
16	5.78	5.94	6.17	6.33	6.65	6.63	6.4	6.14
20	5.83	6.01	6.33	6.6	7.21	7.33	7.11	6.71
24	5.81	6.03	6.41	6.84	7.57	8.19	8.19	7.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	2.89	147.9°	2.88
8	40.6°	3.46	152.8°	3.69
10	38.7°	3.85	156.6°	4.38
12	37.3°	4.07	170°	5.02
14	37°	4.16	178.6°	5.49
16	37°	4.2	179.2°	5.81
20	37.9°	4.18	179.2°	6.33
24	40°	4.07	178.8°	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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.34	5.06	5.43	5.62	5.73	5.78	5.83	5.81
60°	4.53	5.21	5.55	5.74	5.87	5.94	6.01	6.03
75°	4.64	5.31	5.65	5.87	6.04	6.17	6.33	6.41
90°	4.61	5.40	5.79	6.04	6.21	6.33	6.60	6.84
110°	4.59	5.38	5.80	6.11	6.39	6.65	7.21	7.57
120°	4.41	5.25	5.71	6.02	6.32	6.63	7.33	8.19
135°	3.88	4.80	5.47	5.82	6.11	6.40	7.11	8.19
150°	3.33	4.25	5.02	5.55	5.86	6.14	6.71	7.50