JOLT 4 — ORC Rating | RegattaPages

GPH

538.4

OSN

527

LOA

9.573 m

Displacement

1800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7621

Medium

0.99

High

1.1678

Triple Offshore

Low

0.9861

Medium

1.2427

High

1.4428

Boat Specifications

Dimensions

Length overall: 9.573 m
Beam: 3.05 m
Draft: 2.44 m
Displacement: 1800 kg
Crew weight: 600 kg
Wetted surface: 20.31 m²

Sails

Mainsail: 37.91 m²
Genoa: 24.21 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 115.57 m²

Design

Type: Cape 31
Builder: Cape Performance S
Designer: Mark Mills
Year built: 2017
Stability index: 111.2

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.

6,43.8,5.735977,52,6.37,60,6.76,75,7.08,90,7.1,110,6.72,120,6.42,135,5.72,142.6,5.23656,150,4.8
8,39.4,6.354066,52,7.11,60,7.36,75,7.8,90,8,110,7.65,120,7.59,135,7.12,146,6.368831,150,6.1
10,38.1,6.684161,52,7.48,60,7.81,75,8.22,90,8.68,110,8.52,120,8.61,135,8.1,149.2,7.171464,150,7.11
12,37.2,6.804515,52,7.7,60,8.07,75,8.64,90,9.13,110,9.59,120,9.38,135,9.25,149.6,8.081031,150,8.05
14,37,6.911789,52,7.85,60,8.25,75,8.93,90,9.56,110,10.43,120,10.04,135,10.55,146,9.456749,150,9.06
16,36.9,6.965246,52,7.95,60,8.39,75,9.14,90,9.94,110,11.02,120,11.21,135,11.75,144.7,10.880518,150,10.25
20,37,7.024481,52,8.06,60,8.54,75,9.45,90,10.5,110,12.11,120,12.95,135,13.61,145.6,14.288943,150,13.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.37	6.76	7.08	7.1	6.72	6.42	5.72	4.8
8	7.11	7.36	7.8	8	7.65	7.59	7.12	6.1
10	7.48	7.81	8.22	8.68	8.52	8.61	8.1	7.11
12	7.7	8.07	8.64	9.13	9.59	9.38	9.25	8.05
14	7.85	8.25	8.93	9.56	10.43	10.04	10.55	9.06
16	7.95	8.39	9.14	9.94	11.02	11.21	11.75	10.25
20	8.06	8.54	9.45	10.5	12.11	12.95	13.61	13.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	4.14	142.6°	4.16
8	39.4°	4.91	146°	5.28
10	38.1°	5.26	149.2°	6.16
12	37.2°	5.42	149.6°	6.97
14	37°	5.52	146°	7.84
16	36.9°	5.57	144.7°	8.88
20	37°	5.61	145.6°	11.79

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