Matilda 4: ORC Rating

GPH

590

OSN

573.2

LOA

11 m

Displacement

5323 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.703

Medium

0.9319

High

1.041

Triple Offshore

Low

0.9011

Medium

1.1433

High

1.2622

Boat Specifications

Dimensions

Length overall: 11 m
Beam: 3.6 m
Draft: 2.05 m
Displacement: 5323 kg
Crew weight: 665 kg
Wetted surface: 27.4 m²

Sails

Mainsail: 41.33 m²
Genoa: 34.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 125.37 m²

Design

Type: J-112E
Builder: J-BOATS
Designer: JOHNSTONE
Year built: 2015
Stability index: 121.8

Performance data

Polar CSV

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

6,43,5.018092,52,5.61,60,5.91,75,6.1,90,6.02,110,6.14,120,6,135,5.4,143.9,4.901051,150,4.57
8,40.8,5.904926,52,6.6,60,6.84,75,6.99,90,7.07,110,7.23,120,7.15,135,6.68,147.3,5.941695,150,5.77
10,39.3,6.474205,52,7.16,60,7.34,75,7.47,90,7.52,110,7.8,120,7.76,135,7.47,149.3,6.815124,150,6.76
12,38.1,6.671453,52,7.4,60,7.59,75,7.78,90,7.81,110,8.2,120,8.26,135,7.99,150,7.42,150.5,7.387784
14,37.8,6.783479,52,7.51,60,7.72,75,8.01,90,8.12,110,8.49,120,8.71,135,8.52,150,7.81,150.2,7.801647
16,37.6,6.840933,52,7.58,60,7.8,75,8.14,90,8.39,110,8.74,120,9.13,135,9.07,150,8.17,173.9,7.27117
20,38.1,6.925604,52,7.64,60,7.88,75,8.31,90,8.75,110,9.21,120,9.82,135,10.58,150,8.95,175.7,8.032611

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.91	6.1	6.02	6.14	6	5.4	4.57
8	6.6	6.84	6.99	7.07	7.23	7.15	6.68	5.77
10	7.16	7.34	7.47	7.52	7.8	7.76	7.47	6.76
12	7.4	7.59	7.78	7.81	8.2	8.26	7.99	7.42
14	7.51	7.72	8.01	8.12	8.49	8.71	8.52	7.81
16	7.58	7.8	8.14	8.39	8.74	9.13	9.07	8.17
20	7.64	7.88	8.31	8.75	9.21	9.82	10.58	8.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.67	143.9°	3.96
8	40.8°	4.47	147.3°	5
10	39.3°	5.01	149.3°	5.86
12	38.1°	5.25	150.5°	6.43
14	37.8°	5.36	150.2°	6.77
16	37.6°	5.42	173.9°	7.23
20	38.1°	5.45	175.7°	8.01

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°	5.61	6.60	7.16	7.40	7.51	7.58	7.64
60°	5.91	6.84	7.34	7.59	7.72	7.80	7.88
75°	6.10	6.99	7.47	7.78	8.01	8.14	8.31
90°	6.02	7.07	7.52	7.81	8.12	8.39	8.75
110°	6.14	7.23	7.80	8.20	8.49	8.74	9.21
120°	6.00	7.15	7.76	8.26	8.71	9.13	9.82
135°	5.40	6.68	7.47	7.99	8.52	9.07	10.58
150°	4.57	5.77	6.76	7.42	7.81	8.17	8.95