Cassiopeia: ORC Rating

GPH

655.6

OSN

637.3

LOA

10.69 m

Displacement

5056 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6209

Medium

0.8426

High

0.9643

Triple Offshore

Low

0.8021

Medium

1.0329

High

1.1459

Boat Specifications

Dimensions

Length overall: 10.69 m
Beam: 3.2 m
Draft: 1.8 m
Displacement: 5056 kg
Crew weight: 589 kg
Wetted surface: 24.65 m²

Sails

Mainsail: 35.69 m²
Genoa: 34.78 m²
Spinnaker: 66.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: BIANCA 107
Builder: Bianca Yacht
Designer: Kjærulf
Year built: 1985
Stability index: 132.1

Performance data

Polar CSV

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

6,43,4.59422,52,5.12,60,5.4,75,5.63,90,5.54,110,5.34,120,5.16,135,4.63,145.7,4.091523,150,3.9
8,41.8,5.419356,52,6.07,60,6.33,75,6.51,90,6.48,110,6.46,120,6.29,135,5.68,150,4.96,151.1,4.911678
10,41.2,6.033905,52,6.6,60,6.77,75,6.9,90,6.94,110,7,120,6.91,135,6.55,150,5.87,152.9,5.728967
12,39.9,6.230731,52,6.82,60,6.98,75,7.14,90,7.22,110,7.35,120,7.27,135,7.01,150,6.61,158.3,6.285432
14,39,6.279387,52,6.9,60,7.09,75,7.32,90,7.42,110,7.7,120,7.63,135,7.35,150,7.03,173.6,6.500512
16,38.8,6.325882,52,6.95,60,7.14,75,7.45,90,7.65,110,8.01,120,8,135,7.73,150,7.36,179,6.911053
20,38.8,6.351545,52,6.97,60,7.17,75,7.56,90,7.99,110,8.35,120,8.67,135,8.53,150,8.09,179,7.561152

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.4	5.63	5.54	5.34	5.16	4.63	3.9
8	6.07	6.33	6.51	6.48	6.46	6.29	5.68	4.96
10	6.6	6.77	6.9	6.94	7	6.91	6.55	5.87
12	6.82	6.98	7.14	7.22	7.35	7.27	7.01	6.61
14	6.9	7.09	7.32	7.42	7.7	7.63	7.35	7.03
16	6.95	7.14	7.45	7.65	8.01	8	7.73	7.36
20	6.97	7.17	7.56	7.99	8.35	8.67	8.53	8.09

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.36	145.7°	3.38
8	41.8°	4.04	151.1°	4.3
10	41.2°	4.54	152.9°	5.1
12	39.9°	4.78	158.3°	5.84
14	39°	4.88	173.6°	6.46
16	38.8°	4.93	179°	6.91
20	38.8°	4.95	179°	7.56

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°	5.12	6.07	6.60	6.82	6.90	6.95	6.97
60°	5.40	6.33	6.77	6.98	7.09	7.14	7.17
75°	5.63	6.51	6.90	7.14	7.32	7.45	7.56
90°	5.54	6.48	6.94	7.22	7.42	7.65	7.99
110°	5.34	6.46	7.00	7.35	7.70	8.01	8.35
120°	5.16	6.29	6.91	7.27	7.63	8.00	8.67
135°	4.63	5.68	6.55	7.01	7.35	7.73	8.53
150°	3.90	4.96	5.87	6.61	7.03	7.36	8.09