TOMBOY-1 — ORC Rating

GPH

677.6

OSN

656.9

LOA

8.3 m

Displacement

2838 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6055

Medium

0.8086

High

0.9167

Triple Offshore

Low

0.7757

Medium

0.9985

High

1.1166

Boat Specifications

Dimensions

Length overall: 8.3 m
Beam: 3.02 m
Draft: 1.84 m
Displacement: 2838 kg
Crew weight: 550 kg
Wetted surface: 20.13 m²

Sails

Mainsail: 28.39 m²
Genoa: 21.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 74.52 m²

Design

Type: FIRST 27.7
Builder: BENETEAU
Designer: GROUP FINOT
Year built: 2002

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.

6,43,4.279735,52,4.74,60,4.98,75,5.12,90,5.26,110,5.33,120,5.17,135,4.69,145.2,4.213607,150,4
8,41,5.035049,52,5.61,60,5.84,75,5.99,90,6.2,110,6.34,120,6.22,135,5.76,147.7,5.158165,150,5.04
10,39.2,5.53588,52,6.17,60,6.35,75,6.49,90,6.7,110,6.9,120,6.83,135,6.53,147.8,6.015175,150,5.87
12,38.2,5.828033,52,6.48,60,6.65,75,6.81,90,6.92,110,7.34,120,7.34,135,7.03,148.8,6.523537,150,6.44
14,37.8,5.935544,52,6.61,60,6.8,75,7.06,90,7.16,110,7.7,120,7.82,135,7.54,150,6.81,171.4,5.997433
16,37.6,5.995282,52,6.67,60,6.88,75,7.23,90,7.45,110,7.94,120,8.26,135,8.06,150,7.16,174.8,6.466614
20,37.9,6.044983,52,6.74,60,6.98,75,7.43,90,7.86,110,8.37,120,8.91,135,9.28,150,7.92,175.7,7.180211
24,39.2,6.039142,52,6.72,60,6.97,75,7.51,90,8.09,110,8.74,120,9.5,135,11.27,139.1,10.994194,150,9.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	4.98	5.12	5.26	5.33	5.17	4.69	4
8	5.61	5.84	5.99	6.2	6.34	6.22	5.76	5.04
10	6.17	6.35	6.49	6.7	6.9	6.83	6.53	5.87
12	6.48	6.65	6.81	6.92	7.34	7.34	7.03	6.44
14	6.61	6.8	7.06	7.16	7.7	7.82	7.54	6.81
16	6.67	6.88	7.23	7.45	7.94	8.26	8.06	7.16
20	6.74	6.98	7.43	7.86	8.37	8.91	9.28	7.92
24	6.72	6.97	7.51	8.09	8.74	9.5	11.27	9.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.13	145.2°	3.46
8	41°	3.8	147.7°	4.36
10	39.2°	4.29	147.8°	5.09
12	38.2°	4.58	148.8°	5.58
14	37.8°	4.69	171.4°	5.93
16	37.6°	4.75	174.8°	6.44
20	37.9°	4.77	175.7°	7.16
24	39.2°	4.68	139.1°	8.31

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