IT WASN'T ME — ORC Rating

GPH

615.7

OSN

596.2

LOA

10.57 m

Displacement

3881 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.658

Medium

0.8935

High

1.0165

Triple Offshore

Low

0.8493

Medium

1.1016

High

1.2365

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2 m
Displacement: 3881 kg
Crew weight: 680 kg
Wetted surface: 24.66 m²

Sails

Mainsail: 34.79 m²
Genoa: 25.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 88.3 m²

Design

Type: J 105
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1991
Stability index: 104.1

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.

6,43.3,4.71301,52,5.23,60,5.51,75,5.68,90,5.95,110,5.85,120,5.6,135,5.03,143.4,4.583856,150,4.25
8,41.1,5.61333,52,6.25,60,6.49,75,6.66,90,6.96,110,6.93,120,6.77,135,6.25,147.3,5.561426,150,5.41
10,39,6.176446,52,6.85,60,7.03,75,7.16,90,7.46,110,7.52,120,7.44,135,7.09,148.7,6.460229,150,6.37
12,37.2,6.440436,52,7.16,60,7.33,75,7.5,90,7.76,110,8,120,7.98,135,7.63,149.8,7.05794,150,7.04
14,36.6,6.564381,52,7.3,60,7.51,75,7.76,90,7.96,110,8.44,120,8.49,135,8.17,150,7.45,150.2,7.432884
16,36.4,6.659264,52,7.39,60,7.61,75,7.96,90,8.15,110,8.83,120,8.99,135,8.74,150,7.82,173.9,6.969461
20,36.6,6.763679,52,7.49,60,7.74,75,8.18,90,8.6,110,9.47,120,10.14,135,10.24,150,8.62,175.7,7.741792

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.23	5.51	5.68	5.95	5.85	5.6	5.03	4.25
8	6.25	6.49	6.66	6.96	6.93	6.77	6.25	5.41
10	6.85	7.03	7.16	7.46	7.52	7.44	7.09	6.37
12	7.16	7.33	7.5	7.76	8	7.98	7.63	7.04
14	7.3	7.51	7.76	7.96	8.44	8.49	8.17	7.45
16	7.39	7.61	7.96	8.15	8.83	8.99	8.74	7.82
20	7.49	7.74	8.18	8.6	9.47	10.14	10.24	8.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	3.43	143.4°	3.68
8	41.1°	4.23	147.3°	4.68
10	39°	4.8	148.7°	5.52
12	37.2°	5.13	149.8°	6.1
14	36.6°	5.27	150.2°	6.45
16	36.4°	5.36	173.9°	6.93
20	36.6°	5.43	175.7°	7.72

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