UNITY LETS — ORC Rating

GPH

721.5

OSN

700.3

LOA

7.318 m

Displacement

1271 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6384

Medium

0.8618

High

0.9733

Triple Offshore

Low

0.8216

Medium

1.052

High

1.1851

Boat Specifications

Dimensions

Length overall: 7.318 m
Beam: 2.69 m
Draft: 1.22 m
Displacement: 1271 kg
Crew weight: 400 kg
Wetted surface: 11.94 m²

Sails

Mainsail: 16.03 m²
Genoa: 18.78 m²
Spinnaker: 35.34 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-24
Builder: J BOATS
Designer: JOHNSTONE
Year built: 1977

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.

6,43.8,4.184215,52,4.61,60,4.87,75,5.08,90,5.04,110,4.93,120,4.79,135,4.32,148,3.726204,150,3.65
8,42.2,4.886579,52,5.42,60,5.62,75,5.76,90,5.77,110,5.81,120,5.71,135,5.25,150,4.6,151.7,4.531633
10,40.7,5.342061,52,5.84,60,5.98,75,6.09,90,6.21,110,6.27,120,6.18,135,5.93,150,5.42,153.4,5.289915
12,39.3,5.569625,52,6.07,60,6.23,75,6.4,90,6.6,110,6.74,120,6.63,135,6.33,150,5.99,170.4,5.476695
14,38.7,5.625101,52,6.17,60,6.4,75,6.72,90,6.84,110,7.24,120,7.11,135,6.77,150,6.36,180,5.91
16,39,5.661742,52,6.21,60,6.47,75,6.91,90,7.16,110,7.72,120,7.67,135,7.24,150,6.77,180,6.27
20,40.9,5.649243,52,6.18,60,6.49,75,7.04,90,7.63,110,8.48,120,9.25,135,8.54,150,7.69,180,7.04

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.61	4.87	5.08	5.04	4.93	4.79	4.32	3.65
8	5.42	5.62	5.76	5.77	5.81	5.71	5.25	4.6
10	5.84	5.98	6.09	6.21	6.27	6.18	5.93	5.42
12	6.07	6.23	6.4	6.6	6.74	6.63	6.33	5.99
14	6.17	6.4	6.72	6.84	7.24	7.11	6.77	6.36
16	6.21	6.47	6.91	7.16	7.72	7.67	7.24	6.77
20	6.18	6.49	7.04	7.63	8.48	9.25	8.54	7.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.02	148°	3.16
8	42.2°	3.62	151.7°	3.99
10	40.7°	4.05	153.4°	4.73
12	39.3°	4.31	170.4°	5.4
14	38.7°	4.39	180°	5.91
16	39°	4.4	180°	6.27
20	40.9°	4.27	180°	7.04

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