LICHTBLICK — ORC Rating

GPH

667

OSN

644.1

LOA

9.61 m

Displacement

3388 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6021

Medium

0.8313

High

0.9613

Triple Offshore

Low

0.7754

Medium

1.0209

High

1.1508

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.91 m
Displacement: 3388 kg
Crew weight: 479 kg
Wetted surface: 21.08 m²

Sails

Mainsail: 24.83 m²
Genoa: 26.5 m²
Spinnaker: 59.16 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7
Builder: BENETEAU
Designer: FINOT-LONQ
Year built: 1998

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.

6,43.6,4.460267,52,4.94,60,5.19,75,5.34,90,5.21,110,5.18,120,5,135,4.47,145.1,3.974874,150,3.76
8,41.2,5.249763,52,5.85,60,6.09,75,6.24,90,6.18,110,6.29,120,6.12,135,5.58,148.9,4.905012,150,4.85
10,39.6,5.78835,52,6.42,60,6.61,75,6.75,90,6.81,110,6.93,120,6.84,135,6.44,150,5.78,152.3,5.6585
12,38.3,6.078165,52,6.75,60,6.91,75,7.07,90,7.15,110,7.36,120,7.29,135,6.98,150,6.51,157.5,6.180459
14,37.9,6.209731,52,6.91,60,7.09,75,7.31,90,7.38,110,7.74,120,7.7,135,7.4,150,6.99,168.7,6.43474
16,37.8,6.264594,52,6.97,60,7.18,75,7.5,90,7.64,110,8.07,120,8.1,135,7.82,150,7.39,177.2,6.81814
20,38.3,6.307529,52,7.01,60,7.26,75,7.69,90,8.06,110,8.5,120,8.91,135,8.76,150,8.19,178.1,7.564159
24,39.8,6.273726,52,6.97,60,7.24,75,7.77,90,8.29,110,8.82,120,9.56,135,10.21,150,9.2,177.2,8.329945

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.19	5.34	5.21	5.18	5	4.47	3.76
8	5.85	6.09	6.24	6.18	6.29	6.12	5.58	4.85
10	6.42	6.61	6.75	6.81	6.93	6.84	6.44	5.78
12	6.75	6.91	7.07	7.15	7.36	7.29	6.98	6.51
14	6.91	7.09	7.31	7.38	7.74	7.7	7.4	6.99
16	6.97	7.18	7.5	7.64	8.07	8.1	7.82	7.39
20	7.01	7.26	7.69	8.06	8.5	8.91	8.76	8.19
24	6.97	7.24	7.77	8.29	8.82	9.56	10.21	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.23	145.1°	3.26
8	41.2°	3.95	148.9°	4.2
10	39.6°	4.46	152.3°	5.01
12	38.3°	4.77	157.5°	5.71
14	37.9°	4.9	168.7°	6.31
16	37.8°	4.95	177.2°	6.81
20	38.3°	4.95	178.1°	7.56
24	39.8°	4.82	177.2°	8.32

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