Mathilda: ORC Rating

GPH

682.1

OSN

663.8

LOA

9.95 m

Displacement

3184 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6043

Medium

0.8121

High

0.9244

Triple Offshore

Low

0.7782

Medium

0.9899

High

1.0925

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 2.44 m
Draft: 1.75 m
Displacement: 3184 kg
Crew weight: 518 kg
Wetted surface: 17.53 m²

Sails

Mainsail: 26.54 m²
Genoa: 22.42 m²
Spinnaker: 57.84 m²
Asymmetric spinnaker: 0 m²

Design

Type: APHRODITE 101
Builder: Aphrodite 101
Designer: Elvström/Kjärulff
Year built: 1976

Performance data

Polar CSV

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

6,42,4.35985,52,4.9,60,5.15,75,5.32,90,5.25,110,5.27,120,5.09,135,4.58,146,4.004644,150,3.84
8,40.5,5.14199,52,5.8,60,6.02,75,6.17,90,6.22,110,6.3,120,6.17,135,5.63,150,4.85,150.5,4.825613
10,40.1,5.673786,52,6.25,60,6.4,75,6.53,90,6.59,110,6.73,120,6.67,135,6.39,150,5.77,151,5.728204
12,39,5.816153,52,6.41,60,6.57,75,6.73,90,6.8,110,7.04,120,7.01,135,6.77,150,6.43,161,6.039014
14,38.6,5.898758,52,6.48,60,6.64,75,6.88,90,7.01,110,7.28,120,7.37,135,7.12,150,6.78,180,6.31
16,37.9,5.905581,52,6.51,60,6.69,75,6.97,90,7.2,110,7.47,120,7.72,135,7.53,150,7.1,180,6.69
20,37.9,6.006964,52,6.6,60,6.76,75,7.04,90,7.47,110,7.74,120,8.13,135,8.41,150,7.89,180,7.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.15	5.32	5.25	5.27	5.09	4.58	3.84
8	5.8	6.02	6.17	6.22	6.3	6.17	5.63	4.85
10	6.25	6.4	6.53	6.59	6.73	6.67	6.39	5.77
12	6.41	6.57	6.73	6.8	7.04	7.01	6.77	6.43
14	6.48	6.64	6.88	7.01	7.28	7.37	7.12	6.78
16	6.51	6.69	6.97	7.2	7.47	7.72	7.53	7.1
20	6.6	6.76	7.04	7.47	7.74	8.13	8.41	7.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.24	146°	3.32
8	40.5°	3.91	150.5°	4.2
10	40.1°	4.34	151°	5.01
12	39°	4.52	161°	5.71
14	38.6°	4.61	180°	6.31
16	37.9°	4.66	180°	6.69
20	37.9°	4.74	180°	7.33

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°	4.90	5.80	6.25	6.41	6.48	6.51	6.60
60°	5.15	6.02	6.40	6.57	6.64	6.69	6.76
75°	5.32	6.17	6.53	6.73	6.88	6.97	7.04
90°	5.25	6.22	6.59	6.80	7.01	7.20	7.47
110°	5.27	6.30	6.73	7.04	7.28	7.47	7.74
120°	5.09	6.17	6.67	7.01	7.37	7.72	8.13
135°	4.58	5.63	6.39	6.77	7.12	7.53	8.41
150°	3.84	4.85	5.77	6.43	6.78	7.10	7.89