Firefly — ORC Rating | RegattaPages

GPH

604.9

OSN

587.1

LOA

10.6 m

Displacement

4651 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.684

Medium

0.9162

High

1.0443

Triple Offshore

Low

0.8758

Medium

1.1149

High

1.2434

Boat Specifications

Dimensions

Length overall: 10.6 m
Beam: 3.25 m
Draft: 2.17 m
Displacement: 4651 kg
Crew weight: 650 kg
Wetted surface: 24.29 m²

Sails

Mainsail: 41.79 m²
Genoa: 31.26 m²
Spinnaker: 91.77 m²
Asymmetric spinnaker: 75.84 m²

Design

Type: X-35
Builder: X YACHTS
Designer: N. JEPPESEN
Year built: 2005
Stability index: 134.3

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.

6,41.8,4.976686,52,5.58,60,5.85,75,6.02,90,5.89,110,5.85,120,5.68,135,5.11,141.5,4.753337,150,4.29
8,40,5.848225,52,6.52,60,6.72,75,6.84,90,6.87,110,6.92,120,6.78,135,6.28,148.7,5.500558,150,5.42
10,38.2,6.349757,52,7.03,60,7.18,75,7.28,90,7.39,110,7.49,120,7.4,135,7.05,150,6.39,152.3,6.268398
12,37.2,6.553426,52,7.27,60,7.44,75,7.6,90,7.71,110,7.93,120,7.87,135,7.54,150,7.08,159.2,6.696436
14,36.9,6.665127,52,7.38,60,7.58,75,7.84,90,7.92,110,8.34,120,8.31,135,8,150,7.54,171.8,6.93086
16,36.9,6.740157,52,7.45,60,7.66,75,8.01,90,8.2,110,8.67,120,8.76,135,8.46,150,7.96,177.2,7.358785
20,37,6.786575,52,7.51,60,7.76,75,8.19,90,8.62,110,9.18,120,9.77,135,9.63,150,8.89,177.2,8.159742

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	5.85	6.02	5.89	5.85	5.68	5.11	4.29
8	6.52	6.72	6.84	6.87	6.92	6.78	6.28	5.42
10	7.03	7.18	7.28	7.39	7.49	7.4	7.05	6.39
12	7.27	7.44	7.6	7.71	7.93	7.87	7.54	7.08
14	7.38	7.58	7.84	7.92	8.34	8.31	8	7.54
16	7.45	7.66	8.01	8.2	8.67	8.76	8.46	7.96
20	7.51	7.76	8.19	8.62	9.18	9.77	9.63	8.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.71	141.5°	3.72
8	40°	4.48	148.7°	4.7
10	38.2°	4.99	152.3°	5.55
12	37.2°	5.22	159.2°	6.26
14	36.9°	5.33	171.8°	6.86
16	36.9°	5.39	177.2°	7.35
20	37°	5.42	177.2°	8.15

Loading polar chart…