Rotary Scout — ORC Rating

GPH

715.6

OSN

690.6

LOA

11.61 m

Displacement

6500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5978

Medium

0.8543

High

1.0294

Triple Offshore

Low

0.784

Medium

1.0819

High

1.2578

Boat Specifications

Dimensions

Length overall: 11.61 m
Beam: 3.92 m
Draft: 1.65 m
Displacement: 6500 kg
Crew weight: 560 kg
Wetted surface: 32.04 m²

Sails

Mainsail: 35.22 m²
Genoa: 32.61 m²
Spinnaker: 92.09 m²
Asymmetric spinnaker: 0 m²

Design

Type: Tosca 36 mod.
Builder: Tosca Marine
Designer: Lavranos
Year built: 1984

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.

6,46,3.714056,52,4.1,60,4.47,75,4.75,90,4.83,110,4.97,120,4.82,135,4.35,146.6,3.821055,150,3.69
8,44.8,4.537955,52,5.04,60,5.42,75,5.72,90,5.94,110,6.12,120,5.97,135,5.45,149.7,4.760275,150,4.75
10,44.2,5.174983,52,5.75,60,6.14,75,6.47,90,6.79,110,6.94,120,6.84,135,6.42,150,5.68,151.3,5.609099
12,44.2,5.76083,52,6.36,60,6.69,75,6.94,90,7.21,110,7.38,120,7.32,135,7.05,150,6.48,154.3,6.281372
14,43.5,6.148549,52,6.74,60,7.01,75,7.22,90,7.38,110,7.74,120,7.7,135,7.44,150,7.06,168.6,6.426793
16,43.1,6.258883,52,6.88,60,7.16,75,7.43,90,7.54,110,8.06,120,8.1,135,7.81,150,7.42,180,6.88
20,43.7,6.279677,52,6.91,60,7.21,75,7.64,90,8,110,8.44,120,8.79,135,8.61,150,8.12,180,7.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.1	4.47	4.75	4.83	4.97	4.82	4.35	3.69
8	5.04	5.42	5.72	5.94	6.12	5.97	5.45	4.75
10	5.75	6.14	6.47	6.79	6.94	6.84	6.42	5.68
12	6.36	6.69	6.94	7.21	7.38	7.32	7.05	6.48
14	6.74	7.01	7.22	7.38	7.74	7.7	7.44	7.06
16	6.88	7.16	7.43	7.54	8.06	8.1	7.81	7.42
20	6.91	7.21	7.64	8	8.44	8.79	8.61	8.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	2.58	146.6°	3.19
8	44.8°	3.22	149.7°	4.11
10	44.2°	3.71	151.3°	4.92
12	44.2°	4.13	154.3°	5.66
14	43.5°	4.46	168.6°	6.3
16	43.1°	4.57	180°	6.88
20	43.7°	4.54	180°	7.59

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