RADICAL CONCEPT — ORC Rating

GPH

603.8

OSN

586.5

LOA

10.94 m

Displacement

4553 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6579

Medium

0.9101

High

1.054

Triple Offshore

Low

0.8574

Medium

1.1254

High

1.2805

Boat Specifications

Dimensions

Length overall: 10.94 m
Beam: 3.76 m
Draft: 1.84 m
Displacement: 4553 kg
Crew weight: 620 kg
Wetted surface: 27.64 m²

Sails

Mainsail: 43.24 m²
Genoa: 27.82 m²
Spinnaker: 101.06 m²
Asymmetric spinnaker: 0 m²

Design

Type: YOUNG 11 Mod
Builder: LAND Roger
Designer: YOUG Jim
Year built: 1982

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.

6,43.5,4.687235,52,5.27,60,5.63,75,5.92,90,5.84,110,5.94,120,5.78,135,5.22,139,4.982049,150,4.35
8,42,5.611288,52,6.33,60,6.68,75,6.95,90,7.01,110,7.15,120,7.04,135,6.49,148,5.530347,150,5.42
10,41.2,6.352878,52,7.05,60,7.27,75,7.44,90,7.53,110,7.74,120,7.67,135,7.35,147,6.736853,150,6.52
12,39.8,6.664206,52,7.35,60,7.55,75,7.76,90,7.81,110,8.24,120,8.23,135,7.86,150,7.35,156,7.060404
14,39,6.755488,52,7.47,60,7.71,75,8.06,90,8.19,110,8.63,120,8.86,135,8.45,150,7.82,172,7.119284
16,39,6.832693,52,7.54,60,7.8,75,8.3,90,8.59,110,8.96,120,9.42,135,9.14,150,8.34,180,7.57
20,38.6,6.935199,52,7.63,60,7.88,75,8.52,90,9.24,110,9.64,120,10.22,135,10.86,150,9.67,180,8.54

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.27	5.63	5.92	5.84	5.94	5.78	5.22	4.35
8	6.33	6.68	6.95	7.01	7.15	7.04	6.49	5.42
10	7.05	7.27	7.44	7.53	7.74	7.67	7.35	6.52
12	7.35	7.55	7.76	7.81	8.24	8.23	7.86	7.35
14	7.47	7.71	8.06	8.19	8.63	8.86	8.45	7.82
16	7.54	7.8	8.3	8.59	8.96	9.42	9.14	8.34
20	7.63	7.88	8.52	9.24	9.64	10.22	10.86	9.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.4	139°	3.76
8	42°	4.17	148°	4.69
10	41.2°	4.78	147°	5.65
12	39.8°	5.12	156°	6.45
14	39°	5.25	172°	7.05
16	39°	5.31	180°	7.57
20	38.6°	5.42	180°	8.54

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