ROCKET POWER — ORC Rating

GPH

665.9

OSN

645.7

LOA

8.4 m

Displacement

2197 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7011

Medium

0.9415

High

1.0683

Triple Offshore

Low

0.8948

Medium

1.1399

High

1.2734

Boat Specifications

Dimensions

Length overall: 8.4 m
Beam: 2.74 m
Draft: 1.96 m
Displacement: 2197 kg
Crew weight: 400 kg
Wetted surface: 16.29 m²

Sails

Mainsail: 22.19 m²
Genoa: 19.74 m²
Spinnaker: 54.77 m²
Asymmetric spinnaker: 0 m²

Design

Type: ROCKET 28
Builder: CAMARGO ARANHA
Designer: J.MEDEIROS ARANHA
Year built: 1993

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.

6,41.2,4.385878,52,4.93,60,5.17,75,5.36,90,5.3,110,5.36,120,5.2,135,4.71,145.9,4.202592,150,4.02
8,40.1,5.216222,52,5.86,60,6.05,75,6.18,90,6.26,110,6.33,120,6.22,135,5.81,149.5,5.083393,150,5.05
10,38.2,5.726233,52,6.31,60,6.45,75,6.56,90,6.65,110,6.8,120,6.72,135,6.46,150,5.94,153,5.802427
12,36.8,5.882122,52,6.51,60,6.67,75,6.84,90,6.87,110,7.23,120,7.2,135,6.88,150,6.49,163.2,6.058583
14,36.6,5.966487,52,6.59,60,6.78,75,7.08,90,7.2,110,7.55,120,7.69,135,7.35,150,6.88,180,6.36
16,36.6,6.003855,52,6.63,60,6.84,75,7.24,90,7.51,110,7.79,120,8.15,135,7.88,150,7.32,180,6.75
20,36.6,6.103504,52,6.73,60,6.93,75,7.35,90,7.93,110,8.24,120,8.75,135,9.29,150,8.34,180,7.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.17	5.36	5.3	5.36	5.2	4.71	4.02
8	5.86	6.05	6.18	6.26	6.33	6.22	5.81	5.05
10	6.31	6.45	6.56	6.65	6.8	6.72	6.46	5.94
12	6.51	6.67	6.84	6.87	7.23	7.2	6.88	6.49
14	6.59	6.78	7.08	7.2	7.55	7.69	7.35	6.88
16	6.63	6.84	7.24	7.51	7.79	8.15	7.88	7.32
20	6.73	6.93	7.35	7.93	8.24	8.75	9.29	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.2°	3.3	145.9°	3.48
8	40.1°	3.99	149.5°	4.38
10	38.2°	4.5	153°	5.17
12	36.8°	4.71	163.2°	5.8
14	36.6°	4.79	180°	6.36
16	36.6°	4.82	180°	6.75
20	36.6°	4.9	180°	7.57

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