LET IT BE — ORC Rating

GPH

701.2

OSN

681.1

LOA

9.24 m

Displacement

3000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5956

Medium

0.7923

High

0.8855

Triple Offshore

Low

0.7607

Medium

0.9614

High

1.0521

Boat Specifications

Dimensions

Length overall: 9.24 m
Beam: 3.13 m
Draft: 1.65 m
Displacement: 3000 kg
Crew weight: 360 kg
Wetted surface: 17.7 m²

Sails

Mainsail: 18.67 m²
Genoa: 30.59 m²
Spinnaker: 60.38 m²
Asymmetric spinnaker: 53.22 m²

Design

Type: Rush 31
Builder: Jeanneau
Designer: Holland
Year built: 1980
Stability index: 115.9

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.

6,43.2,4.376046,52,4.85,60,5.09,75,5.24,90,5.13,110,5.04,120,4.89,135,4.45,146.6,3.92886,150,3.79
8,41.2,5.090277,52,5.64,60,5.83,75,5.96,90,5.92,110,5.99,120,5.89,135,5.47,150,4.82,150.5,4.802634
10,39.6,5.489847,52,6.05,60,6.2,75,6.32,90,6.36,110,6.48,120,6.42,135,6.17,150,5.67,154.1,5.491587
12,38.8,5.645818,52,6.24,60,6.39,75,6.55,90,6.62,110,6.81,120,6.78,135,6.57,150,6.24,162.2,5.850045
14,38.4,5.691001,52,6.32,60,6.49,75,6.7,90,6.79,110,7.08,120,7.1,135,6.91,150,6.6,175.4,6.10968
16,39,5.764683,52,6.36,60,6.54,75,6.8,90,6.96,110,7.33,120,7.41,135,7.24,150,6.91,179,6.470986
20,40.2,5.799978,52,6.36,60,6.57,75,6.9,90,7.2,110,7.71,120,8.05,135,8,150,7.57,179,7.061075

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.09	5.24	5.13	5.04	4.89	4.45	3.79
8	5.64	5.83	5.96	5.92	5.99	5.89	5.47	4.82
10	6.05	6.2	6.32	6.36	6.48	6.42	6.17	5.67
12	6.24	6.39	6.55	6.62	6.81	6.78	6.57	6.24
14	6.32	6.49	6.7	6.79	7.08	7.1	6.91	6.6
16	6.36	6.54	6.8	6.96	7.33	7.41	7.24	6.91
20	6.36	6.57	6.9	7.2	7.71	8.05	8	7.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.19	146.6°	3.28
8	41.2°	3.83	150.5°	4.18
10	39.6°	4.23	154.1°	4.94
12	38.8°	4.4	162.2°	5.57
14	38.4°	4.46	175.4°	6.09
16	39°	4.48	179°	6.47
20	40.2°	4.43	179°	7.06

Loading polar chart…