FLUTTERBY — ORC Rating

GPH

721

OSN

696.9

LOA

10.74 m

Displacement

6941 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5561

Medium

0.7597

High

0.8745

Triple Offshore

Low

0.7149

Medium

0.9464

High

1.0599

Boat Specifications

Dimensions

Length overall: 10.74 m
Beam: 3.36 m
Draft: 1.83 m
Displacement: 6941 kg
Crew weight: 180 kg
Wetted surface: 27.43 m²

Sails

Mainsail: 21.76 m²
Genoa: 41.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 79.96 m²

Design

Type: MAXI 108
Builder: PETTERSSON
Designer: PELLE PETTERSSON
Year built: 1979
Stability index: 130.2

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.

6,44.2,4.031186,52,4.44,60,4.68,75,4.83,90,4.73,110,4.84,120,4.7,135,4.25,144.8,3.818172,150,3.61
8,42.3,4.77265,52,5.28,60,5.52,75,5.7,90,5.69,110,5.89,120,5.77,135,5.32,148.4,4.719823,150,4.64
10,41.4,5.252555,52,5.86,60,6.11,75,6.31,90,6.39,110,6.61,120,6.55,135,6.19,150,5.51,152,5.413685
12,41.8,5.607156,52,6.23,60,6.47,75,6.68,90,6.8,110,7.03,120,7.01,135,6.77,150,6.25,155.9,5.981371
14,42,5.786221,52,6.41,60,6.67,75,6.91,90,6.98,110,7.32,120,7.33,135,7.15,150,6.77,165.8,6.250997
16,42,5.853502,52,6.48,60,6.75,75,7.06,90,7.17,110,7.55,120,7.61,135,7.46,150,7.12,174.8,6.597151
20,42.6,5.868791,52,6.49,60,6.8,75,7.18,90,7.45,110,7.84,120,8.11,135,8.05,150,7.71,178.4,7.252828

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.44	4.68	4.83	4.73	4.84	4.7	4.25	3.61
8	5.28	5.52	5.7	5.69	5.89	5.77	5.32	4.64
10	5.86	6.11	6.31	6.39	6.61	6.55	6.19	5.51
12	6.23	6.47	6.68	6.8	7.03	7.01	6.77	6.25
14	6.41	6.67	6.91	6.98	7.32	7.33	7.15	6.77
16	6.48	6.75	7.06	7.17	7.55	7.61	7.46	7.12
20	6.49	6.8	7.18	7.45	7.84	8.11	8.05	7.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.89	144.8°	3.12
8	42.3°	3.53	148.4°	4.02
10	41.4°	3.94	152°	4.78
12	41.8°	4.18	155.9°	5.46
14	42°	4.3	165.8°	6.06
16	42°	4.35	174.8°	6.57
20	42.6°	4.32	178.4°	7.25

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