CHALLWA — ORC Rating | RegattaPages

GPH

574.9

OSN

557.9

LOA

11.086 m

Displacement

4204 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7975

Medium

1.0764

High

1.2271

Triple Offshore

Low

1.0289

Medium

1.3241

High

1.4898

Boat Specifications

Dimensions

Length overall: 11.086 m
Beam: 3.31 m
Draft: 2.19 m
Displacement: 4204 kg
Crew weight: 600 kg
Wetted surface: 26.06 m²

Sails

Mainsail: 36.97 m²
Genoa: 33.91 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 131.22 m²

Design

Type: J111
Builder: J-BOATS
Designer: JOHNSTONE
Year built: 2011

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.

6,42.6,4.985755,52,5.58,60,5.89,75,6.14,90,6.18,110,6.3,120,6.16,135,5.5,143.5,5.00089,150,4.64
8,41.4,6.012443,52,6.76,60,7.03,75,7.21,90,7.33,110,7.49,120,7.42,135,6.91,145.8,6.129995,150,5.85
10,39.7,6.667537,52,7.35,60,7.53,75,7.69,90,7.68,110,8.05,120,8.03,135,7.69,148.8,7.026246,150,6.94
12,38,6.852698,52,7.57,60,7.78,75,8.03,90,8.07,110,8.41,120,8.65,135,8.29,150,7.65,151.4,7.551399
14,37.3,6.939263,52,7.67,60,7.9,75,8.31,90,8.49,110,8.76,120,9.13,135,9.01,148.8,8.171957,150,8.07
16,37.1,6.996129,52,7.72,60,7.97,75,8.47,90,8.87,110,9.1,120,9.56,135,9.86,146.2,9.001372,150,8.64
20,36.2,7.125505,52,7.89,60,8.15,75,8.6,90,9.33,110,9.8,120,10.42,135,11.67,142.4,11.283752,150,10.32

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	5.89	6.14	6.18	6.3	6.16	5.5	4.64
8	6.76	7.03	7.21	7.33	7.49	7.42	6.91	5.85
10	7.35	7.53	7.69	7.68	8.05	8.03	7.69	6.94
12	7.57	7.78	8.03	8.07	8.41	8.65	8.29	7.65
14	7.67	7.9	8.31	8.49	8.76	9.13	9.01	8.07
16	7.72	7.97	8.47	8.87	9.1	9.56	9.86	8.64
20	7.89	8.15	8.6	9.33	9.8	10.42	11.67	10.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.67	143.5°	4.02
8	41.4°	4.51	145.8°	5.07
10	39.7°	5.13	148.8°	6.01
12	38°	5.4	151.4°	6.63
14	37.3°	5.52	148.8°	6.99
16	37.1°	5.58	146.2°	7.48
20	36.2°	5.75	142.4°	8.94

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