TOMBOY-1 — ORC Rating

GPH

675.7

OSN

655.4

LOA

8.3 m

Displacement

2838 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6089

Medium

0.8105

High

0.9152

Triple Offshore

Low

0.7796

Medium

1.0006

High

1.116

Boat Specifications

Dimensions

Length overall: 8.3 m
Beam: 3.02 m
Draft: 1.84 m
Displacement: 2838 kg
Crew weight: 549 kg
Wetted surface: 20 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
Stability index: 105.1

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.

6,43,4.307082,52,4.78,60,5.01,75,5.15,90,5.28,110,5.35,120,5.19,135,4.71,145.7,4.212574,150,4.02
8,40.8,5.046268,52,5.64,60,5.86,75,6.01,90,6.21,110,6.35,120,6.23,135,5.79,147.8,5.176123,150,5.06
10,39,5.545934,52,6.19,60,6.36,75,6.51,90,6.71,110,6.91,120,6.85,135,6.55,147.8,6.03881,150,5.9
12,38.2,5.815308,52,6.48,60,6.66,75,6.82,90,6.93,110,7.35,120,7.35,135,7.05,148.7,6.553856,150,6.47
14,37.8,5.922888,52,6.6,60,6.8,75,7.07,90,7.17,110,7.71,120,7.84,135,7.57,150,6.84,172.1,6.017106
16,37.8,5.986167,52,6.67,60,6.88,75,7.24,90,7.47,110,7.95,120,8.27,135,8.1,150,7.19,174.8,6.486697
20,38.2,6.018908,52,6.71,60,6.95,75,7.4,90,7.87,110,8.38,120,8.93,135,9.34,150,7.95,175.7,7.210296

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.01	5.15	5.28	5.35	5.19	4.71	4.02
8	5.64	5.86	6.01	6.21	6.35	6.23	5.79	5.06
10	6.19	6.36	6.51	6.71	6.91	6.85	6.55	5.9
12	6.48	6.66	6.82	6.93	7.35	7.35	7.05	6.47
14	6.6	6.8	7.07	7.17	7.71	7.84	7.57	6.84
16	6.67	6.88	7.24	7.47	7.95	8.27	8.1	7.19
20	6.71	6.95	7.4	7.87	8.38	8.93	9.34	7.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.15	145.7°	3.48
8	40.8°	3.82	147.8°	4.38
10	39°	4.31	147.8°	5.11
12	38.2°	4.57	148.7°	5.6
14	37.8°	4.68	172.1°	5.96
16	37.8°	4.73	174.8°	6.46
20	38.2°	4.73	175.7°	7.19

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