RAFFALE-O — ORC Rating

GPH

504.1

OSN

496.5

LOA

11.275 m

Displacement

3575 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8358

Medium

1.0577

High

1.2439

Triple Offshore

Low

1.0739

Medium

1.3157

High

1.5133

Boat Specifications

Dimensions

Length overall: 11.275 m
Beam: 3.5 m
Draft: 2.81 m
Displacement: 3575 kg
Crew weight: 550 kg
Wetted surface: 28.85 m²

Sails

Mainsail: 59.75 m²
Genoa: 40.64 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 185.02 m²

Design

Type: MC 38 OD
Builder: McConaghy
Designer: DUNNING Harry
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.

6,41.5,6.31546,52,7.11,60,7.49,75,7.76,90,7.64,110,7.05,120,6.9,135,6.22,142.1,5.72816,150,5.22
8,39.3,6.810191,52,7.68,60,7.99,75,8.39,90,8.5,110,8.11,120,8.14,135,7.71,145.6,6.92026,150,6.59
10,38,7.081122,52,7.97,60,8.27,75,8.75,90,9.12,110,8.71,120,8.99,135,8.7,148.8,7.762775,150,7.67
12,37.8,7.302365,52,8.18,60,8.54,75,9.09,90,9.51,110,9.59,120,9.62,135,9.83,150,8.63,150.1,8.628479
14,37.3,7.429537,52,8.35,60,8.75,75,9.38,90,9.91,110,10.37,120,10.23,135,10.94,147.6,9.842148,150,9.6
16,37,7.512814,52,8.49,60,8.92,75,9.61,90,10.29,110,10.95,120,10.82,135,11.79,145.1,11.363749,150,10.76
20,37.3,7.618104,52,8.66,60,9.12,75,9.94,90,10.86,110,12.05,120,12.28,135,13.45,146.7,14.512914,150,14
24,38.1,7.61181,52,8.64,60,9.15,75,10.11,90,11.3,110,13.02,120,13.61,135,15.38,150,17.63,151.4,17.597152

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.11	7.49	7.76	7.64	7.05	6.9	6.22	5.22
8	7.68	7.99	8.39	8.5	8.11	8.14	7.71	6.59
10	7.97	8.27	8.75	9.12	8.71	8.99	8.7	7.67
12	8.18	8.54	9.09	9.51	9.59	9.62	9.83	8.63
14	8.35	8.75	9.38	9.91	10.37	10.23	10.94	9.6
16	8.49	8.92	9.61	10.29	10.95	10.82	11.79	10.76
20	8.66	9.12	9.94	10.86	12.05	12.28	13.45	14
24	8.64	9.15	10.11	11.3	13.02	13.61	15.38	17.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	4.73	142.1°	4.52
8	39.3°	5.27	145.6°	5.71
10	38°	5.58	148.8°	6.64
12	37.8°	5.77	150.1°	7.48
14	37.3°	5.91	147.6°	8.31
16	37°	6	145.1°	9.32
20	37.3°	6.06	146.7°	12.13
24	38.1°	5.99	151.4°	15.45

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