SNOWBALLS CHANCE — ORC Rating

GPH

667.8

OSN

645.3

LOA

10.117 m

Displacement

3148 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6024

Medium

0.8336

High

0.9637

Triple Offshore

Low

0.7778

Medium

1.0184

High

1.1435

Boat Specifications

Dimensions

Length overall: 10.117 m
Beam: 2.85 m
Draft: 1.8 m
Displacement: 3148 kg
Crew weight: 575 kg
Wetted surface: 20.58 m²

Sails

Mainsail: 30.6 m²
Genoa: 20.73 m²
Spinnaker: 57.32 m²
Asymmetric spinnaker: 0 m²

Design

Type: TAR10/LS 10
Builder: TARTAN
Designer: S&S
Year built: 1978
Stability index: 127.3

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.

6,42.9,4.368345,52,4.88,60,5.13,75,5.29,90,5.32,110,5.3,120,5.11,135,4.56,145.1,4.023645,150,3.81
8,40.9,5.18619,52,5.81,60,6.03,75,6.17,90,6.31,110,6.35,120,6.18,135,5.64,150,4.89,150.2,4.874589
10,39.3,5.763464,52,6.38,60,6.54,75,6.67,90,6.83,110,6.92,120,6.82,135,6.44,150,5.81,153.2,5.657719
12,37.6,6.020525,52,6.67,60,6.83,75,6.97,90,7.12,110,7.32,120,7.26,135,6.94,150,6.51,160.4,6.124892
14,37,6.122943,52,6.8,60,6.98,75,7.19,90,7.27,110,7.66,120,7.65,135,7.36,150,6.96,174.5,6.409508
16,37,6.198072,52,6.87,60,7.06,75,7.35,90,7.5,110,7.96,120,8.03,135,7.78,150,7.35,178.1,6.833757
20,37.6,6.28558,52,6.93,60,7.14,75,7.52,90,7.86,110,8.38,120,8.91,135,8.78,150,8.17,179,7.571153

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.13	5.29	5.32	5.3	5.11	4.56	3.81
8	5.81	6.03	6.17	6.31	6.35	6.18	5.64	4.89
10	6.38	6.54	6.67	6.83	6.92	6.82	6.44	5.81
12	6.67	6.83	6.97	7.12	7.32	7.26	6.94	6.51
14	6.8	6.98	7.19	7.27	7.66	7.65	7.36	6.96
16	6.87	7.06	7.35	7.5	7.96	8.03	7.78	7.35
20	6.93	7.14	7.52	7.86	8.38	8.91	8.78	8.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.2	145.1°	3.3
8	40.9°	3.92	150.2°	4.23
10	39.3°	4.46	153.2°	5.05
12	37.6°	4.77	160.4°	5.77
14	37°	4.89	174.5°	6.38
16	37°	4.95	178.1°	6.83
20	37.6°	4.98	179°	7.57

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