Blondy: ORC Rating

GPH

664.3

OSN

645

LOA

9.45 m

Displacement

3775 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6095

Medium

0.8339

High

0.9513

Triple Offshore

Low

0.7887

Medium

1.0202

High

1.1354

Boat Specifications

Dimensions

Length overall: 9.45 m
Beam: 3.19 m
Draft: 1.71 m
Displacement: 3775 kg
Crew weight: 450 kg
Wetted surface: 20.25 m²

Sails

Mainsail: 27.1 m²
Genoa: 29.87 m²
Spinnaker: 78.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: Hanse 315
Builder: Hanse
Designer: judel-vrolijk
Year built: 2007
Stability index: 123.8

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.2,4.376046,52,4.89,60,5.19,75,5.42,90,5.36,110,5.42,120,5.27,135,4.77,146,4.173514,150,3.99
8,42.3,5.178257,52,5.8,60,6.09,75,6.28,90,6.33,110,6.46,120,6.36,135,5.85,150,5.03,150.5,5.009446
10,41.7,5.826115,52,6.38,60,6.56,75,6.69,90,6.82,110,6.95,120,6.89,135,6.64,149.6,6.02889,150,6
12,39.6,6.073874,52,6.66,60,6.81,75,6.95,90,7.05,110,7.33,120,7.29,135,7.05,150,6.68,159.5,6.3416
14,39.4,6.211714,52,6.78,60,6.96,75,7.17,90,7.26,110,7.69,120,7.71,135,7.45,150,7.05,173.6,6.520637
16,39,6.227916,52,6.83,60,7.03,75,7.35,90,7.52,110,7.91,120,8.12,135,7.88,150,7.43,178.1,6.883785
20,40,6.239847,52,6.83,60,7.06,75,7.5,90,7.93,110,8.27,120,8.69,135,8.83,150,8.24,177.2,7.599072

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.19	5.42	5.36	5.42	5.27	4.77	3.99
8	5.8	6.09	6.28	6.33	6.46	6.36	5.85	5.03
10	6.38	6.56	6.69	6.82	6.95	6.89	6.64	6
12	6.66	6.81	6.95	7.05	7.33	7.29	7.05	6.68
14	6.78	6.96	7.17	7.26	7.69	7.71	7.45	7.05
16	6.83	7.03	7.35	7.52	7.91	8.12	7.88	7.43
20	6.83	7.06	7.5	7.93	8.27	8.69	8.83	8.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.19	146°	3.46
8	42.3°	3.83	150.5°	4.36
10	41.7°	4.35	149.6°	5.2
12	39.6°	4.68	159.5°	5.94
14	39.4°	4.8	173.6°	6.48
16	39°	4.84	178.1°	6.88
20	40°	4.78	177.2°	7.59

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.89	5.80	6.38	6.66	6.78	6.83	6.83
60°	5.19	6.09	6.56	6.81	6.96	7.03	7.06
75°	5.42	6.28	6.69	6.95	7.17	7.35	7.50
90°	5.36	6.33	6.82	7.05	7.26	7.52	7.93
110°	5.42	6.46	6.95	7.33	7.69	7.91	8.27
120°	5.27	6.36	6.89	7.29	7.71	8.12	8.69
135°	4.77	5.85	6.64	7.05	7.45	7.88	8.83
150°	3.99	5.03	6.00	6.68	7.05	7.43	8.24