AJOUNA — ORC Rating | RegattaPages

GPH

674.6

OSN

656.2

LOA

8.428 m

Displacement

1794 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6076

Medium

0.8163

High

0.9222

Triple Offshore

Low

0.7862

Medium

High

1.1153

Boat Specifications

Dimensions

Length overall: 8.428 m
Beam: 2.6 m
Draft: 1.52 m
Displacement: 1794 kg
Crew weight: 320 kg
Wetted surface: 15 m²

Sails

Mainsail: 23.11 m²
Genoa: 22.2 m²
Spinnaker: 45.16 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-27
Builder: DP YACHTING
Designer: R.JOHNSTONE
Year built: 1991
Stability index: 100.1

Velocity Prediction

Polar CSV

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

6,43,4.512181,52,5.02,60,5.32,75,5.55,90,5.49,110,5.28,120,5.11,135,4.58,145.1,3.987066,150,3.78
8,41.8,5.379113,52,5.94,60,6.12,75,6.25,90,6.26,110,6.26,120,6.14,135,5.63,150,4.82,150.2,4.81697
10,39.3,5.711773,52,6.3,60,6.45,75,6.61,90,6.64,110,6.77,120,6.67,135,6.36,150,5.75,151.4,5.683482
12,38.7,5.84293,52,6.41,60,6.59,75,6.88,90,7.02,110,7.27,120,7.2,135,6.82,150,6.41,160.4,6.061201
14,38.2,5.891658,52,6.47,60,6.67,75,7.04,90,7.36,110,7.66,120,7.76,135,7.35,150,6.84,176.6,6.281056
16,38.4,5.895162,52,6.5,60,6.72,75,7.14,90,7.61,110,7.93,120,8.31,135,7.94,150,7.33,178.4,6.682605
20,39,5.983432,52,6.57,60,6.83,75,7.25,90,7.82,110,8.66,120,9.07,135,9.51,150,8.49,175.7,7.601397

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.02	5.32	5.55	5.49	5.28	5.11	4.58	3.78
8	5.94	6.12	6.25	6.26	6.26	6.14	5.63	4.82
10	6.3	6.45	6.61	6.64	6.77	6.67	6.36	5.75
12	6.41	6.59	6.88	7.02	7.27	7.2	6.82	6.41
14	6.47	6.67	7.04	7.36	7.66	7.76	7.35	6.84
16	6.5	6.72	7.14	7.61	7.93	8.31	7.94	7.33
20	6.57	6.83	7.25	7.82	8.66	9.07	9.51	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.3	145.1°	3.27
8	41.8°	4.01	150.2°	4.18
10	39.3°	4.42	151.4°	4.99
12	38.7°	4.56	160.4°	5.71
14	38.2°	4.63	176.6°	6.27
16	38.4°	4.62	178.4°	6.68
20	39°	4.65	175.7°	7.58

Loading polar chart…