AMATEUR II — ORC Rating

GPH

658.9

OSN

637.9

LOA

10.117 m

Displacement

3092 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.607

Medium

0.8435

High

0.9754

Triple Offshore

Low

0.7884

Medium

1.0317

High

1.1616

Boat Specifications

Dimensions

Length overall: 10.117 m
Beam: 2.85 m
Draft: 1.79 m
Displacement: 3092 kg
Crew weight: 658 kg
Wetted surface: 20.66 m²

Sails

Mainsail: 31.63 m²
Genoa: 21.48 m²
Spinnaker: 58.93 m²
Asymmetric spinnaker: 0 m²

Design

Type: TAR10/LS 10
Builder: TARTAN
Designer: S&S
Year built: 1978
Stability index: 125.5

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.

6,43,4.389121,52,4.92,60,5.21,75,5.42,90,5.44,110,5.42,120,5.23,135,4.68,145.1,4.096802,150,3.88
8,41.4,5.212561,52,5.88,60,6.16,75,6.35,90,6.46,110,6.49,120,6.33,135,5.77,150,4.95,150.2,4.943732
10,40.5,5.89159,52,6.47,60,6.64,75,6.77,90,6.94,110,7,120,6.9,135,6.58,150,5.91,151.1,5.848324
12,38.2,6.146157,52,6.75,60,6.9,75,7.05,90,7.21,110,7.43,120,7.33,135,7.01,150,6.62,159.2,6.289943
14,37.5,6.226734,52,6.85,60,7.04,75,7.29,90,7.38,110,7.87,120,7.8,135,7.43,150,7.03,174.8,6.496738
16,37.2,6.264674,52,6.9,60,7.1,75,7.47,90,7.69,110,8.21,120,8.31,135,7.91,150,7.42,179,6.89105
20,37.2,6.352555,52,6.97,60,7.16,75,7.6,90,8.13,110,8.67,120,9.22,135,9.08,150,8.35,177.2,7.659144

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.21	5.42	5.44	5.42	5.23	4.68	3.88
8	5.88	6.16	6.35	6.46	6.49	6.33	5.77	4.95
10	6.47	6.64	6.77	6.94	7	6.9	6.58	5.91
12	6.75	6.9	7.05	7.21	7.43	7.33	7.01	6.62
14	6.85	7.04	7.29	7.38	7.87	7.8	7.43	7.03
16	6.9	7.1	7.47	7.69	8.21	8.31	7.91	7.42
20	6.97	7.16	7.6	8.13	8.67	9.22	9.08	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.21	145.1°	3.36
8	41.4°	3.91	150.2°	4.29
10	40.5°	4.48	151.1°	5.12
12	38.2°	4.83	159.2°	5.88
14	37.5°	4.94	174.8°	6.47
16	37.2°	4.99	179°	6.89
20	37.2°	5.06	177.2°	7.65

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