Muskrat — ORC Rating | RegattaPages

GPH

589.2

OSN

573.8

LOA

10.57 m

Displacement

3630 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7179

Medium

0.9293

High

1.0398

Triple Offshore

Low

0.9156

Medium

1.1365

High

1.2573

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.34 m
Draft: 2.16 m
Displacement: 3630 kg
Crew weight: 630 kg
Wetted surface: 23.61 m²

Sails

Mainsail: 36.07 m²
Genoa: 41.76 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 88.45 m²

Design

Type: J 105 Mod
Builder: TPI
Designer: Johnstone
Year built: 1995

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.

6,41.8,5.379113,52,6,60,6.25,75,6.39,90,6.24,110,5.98,120,5.8,135,5.21,143,4.758116,150,4.39
8,39.1,6.172311,52,6.85,60,7.02,75,7.11,90,7.05,110,7.07,120,6.93,135,6.42,146.9,5.741784,150,5.55
10,36.9,6.465048,52,7.18,60,7.34,75,7.49,90,7.49,110,7.64,120,7.56,135,7.21,149.4,6.552486,150,6.52
12,36,6.600603,52,7.32,60,7.5,75,7.75,90,7.84,110,8.1,120,8.1,135,7.75,150,7.15,150.2,7.144788
14,35.6,6.690438,52,7.41,60,7.6,75,7.9,90,8.13,110,8.46,120,8.61,135,8.31,149.6,7.594083,150,7.56
16,35.4,6.759676,52,7.48,60,7.68,75,8.02,90,8.34,110,8.74,120,9.13,135,8.91,150,7.95,174.8,7.059052
20,35.1,6.820268,52,7.57,60,7.8,75,8.22,90,8.66,110,9.31,120,10.04,135,10.62,150,8.81,175.5,7.864243
24,36.1,6.844145,52,7.59,60,7.85,75,8.33,90,8.89,110,9.64,120,11.05,135,13.58,141.5,13.352787,150,12.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6	6.25	6.39	6.24	5.98	5.8	5.21	4.39
8	6.85	7.02	7.11	7.05	7.07	6.93	6.42	5.55
10	7.18	7.34	7.49	7.49	7.64	7.56	7.21	6.52
12	7.32	7.5	7.75	7.84	8.1	8.1	7.75	7.15
14	7.41	7.6	7.9	8.13	8.46	8.61	8.31	7.56
16	7.48	7.68	8.02	8.34	8.74	9.13	8.91	7.95
20	7.57	7.8	8.22	8.66	9.31	10.04	10.62	8.81
24	7.59	7.85	8.33	8.89	9.64	11.05	13.58	12.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.01	143°	3.8
8	39.1°	4.79	146.9°	4.81
10	36.9°	5.17	149.4°	5.64
12	36°	5.34	150.2°	6.2
14	35.6°	5.44	149.6°	6.55
16	35.4°	5.51	174.8°	7.03
20	35.1°	5.58	175.5°	7.84
24	36.1°	5.53	141.5°	10.45

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