SNATCH N' FURIOUS — ORC Rating

GPH

617.5

OSN

599.1

LOA

10 m

Displacement

3010 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6704

Medium

0.8971

High

1.0284

Triple Offshore

Low

0.8579

Medium

1.0906

High

1.2272

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.75 m
Draft: 2.43 m
Displacement: 3010 kg
Crew weight: 465 kg
Wetted surface: 21.77 m²

Sails

Mainsail: 34.75 m²
Genoa: 20.56 m²
Spinnaker: 104 m²
Asymmetric spinnaker: 75.57 m²

Design

Type: ROCKET 31 Mod
Builder: JIM DARREN
Designer: YOUNG Jim
Year built: 1985

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.

6,42.1,4.69018,52,5.22,60,5.46,75,5.68,90,5.92,110,5.92,120,5.79,135,5.24,141,4.928289,150,4.42
8,39.6,5.489847,52,6.13,60,6.33,75,6.59,90,6.8,110,6.87,120,6.81,135,6.4,148.5,5.606116,150,5.51
10,37.8,5.998823,52,6.67,60,6.82,75,7,90,7.26,110,7.37,120,7.39,135,7.11,150,6.47,151.7,6.371544
12,36.4,6.224424,52,6.93,60,7.1,75,7.28,90,7.56,110,7.81,120,7.86,135,7.66,150,7.13,158,6.805554
14,36.1,6.349089,52,7.06,60,7.25,75,7.52,90,7.76,110,8.15,120,8.32,135,8.22,150,7.64,171.3,6.929734
16,35.8,6.435992,52,7.15,60,7.36,75,7.7,90,7.92,110,8.53,120,8.8,135,8.84,150,8.17,175.2,7.355798
20,35.7,6.526422,52,7.26,60,7.49,75,7.91,90,8.32,110,9.21,120,9.82,135,10.51,148.8,9.703468,150,9.58
24,36.5,6.580774,52,7.29,60,7.55,75,8.03,90,8.58,110,9.87,120,11.38,135,13.37,147.4,13.36574,150,13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.46	5.68	5.92	5.92	5.79	5.24	4.42
8	6.13	6.33	6.59	6.8	6.87	6.81	6.4	5.51
10	6.67	6.82	7	7.26	7.37	7.39	7.11	6.47
12	6.93	7.1	7.28	7.56	7.81	7.86	7.66	7.13
14	7.06	7.25	7.52	7.76	8.15	8.32	8.22	7.64
16	7.15	7.36	7.7	7.92	8.53	8.8	8.84	8.17
20	7.26	7.49	7.91	8.32	9.21	9.82	10.51	9.58
24	7.29	7.55	8.03	8.58	9.87	11.38	13.37	13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.48	141°	3.83
8	39.6°	4.23	148.5°	4.78
10	37.8°	4.74	151.7°	5.61
12	36.4°	5.01	158°	6.31
14	36.1°	5.13	171.3°	6.85
16	35.8°	5.22	175.2°	7.33
20	35.7°	5.3	148.8°	8.3
24	36.5°	5.29	147.4°	11.26

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