MorraDi: ORC Rating

GPH

569.7

OSN

554.4

LOA

10.91 m

Displacement

3681 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7358

Medium

0.9622

High

1.0946

Triple Offshore

Low

0.9419

Medium

1.1756

High

1.3211

Boat Specifications

Dimensions

Length overall: 10.91 m
Beam: 3.59 m
Draft: 2.24 m
Displacement: 3681 kg
Crew weight: 630 kg
Wetted surface: 23.46 m²

Sails

Mainsail: 43.51 m²
Genoa: 38.91 m²
Spinnaker: 84.64 m²
Asymmetric spinnaker: 91.45 m²

Design

Type: MUMM 36
Builder: Carroll Marine
Designer: Bruce Farr
Year built: 1993
Stability index: 120.6

Performance data

Polar CSV

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

6,42,5.544007,52,6.19,60,6.47,75,6.64,90,6.5,110,6.19,120,5.99,135,5.36,141.1,4.998438,150,4.49
8,39.4,6.367007,52,7.06,60,7.23,75,7.34,90,7.3,110,7.28,120,7.14,135,6.61,146.6,5.893289,150,5.69
10,37,6.636319,52,7.39,60,7.57,75,7.76,90,7.77,110,7.88,120,7.79,135,7.4,149.6,6.712937,150,6.68
12,36.3,6.812021,52,7.55,60,7.76,75,8.06,90,8.18,110,8.41,120,8.39,135,7.98,150,7.37,156.8,7.050104
14,35.7,6.883528,52,7.66,60,7.9,75,8.26,90,8.54,110,8.88,120,9.03,135,8.61,150,7.9,170.9,7.190501
16,35.4,6.943696,52,7.74,60,8,75,8.42,90,8.83,110,9.25,120,9.71,135,9.35,150,8.46,176.6,7.623419
20,35.4,7.005037,52,7.84,60,8.13,75,8.64,90,9.26,110,9.99,120,10.82,135,11.36,150,9.88,173,8.704885

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.19	6.47	6.64	6.5	6.19	5.99	5.36	4.49
8	7.06	7.23	7.34	7.3	7.28	7.14	6.61	5.69
10	7.39	7.57	7.76	7.77	7.88	7.79	7.4	6.68
12	7.55	7.76	8.06	8.18	8.41	8.39	7.98	7.37
14	7.66	7.9	8.26	8.54	8.88	9.03	8.61	7.9
16	7.74	8	8.42	8.83	9.25	9.71	9.35	8.46
20	7.84	8.13	8.64	9.26	9.99	10.82	11.36	9.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.12	141.1°	3.89
8	39.4°	4.92	146.6°	4.92
10	37°	5.3	149.6°	5.79
12	36.3°	5.49	156.8°	6.48
14	35.7°	5.59	170.9°	7.1
16	35.4°	5.66	176.6°	7.61
20	35.4°	5.71	173°	8.64

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°	6.19	7.06	7.39	7.55	7.66	7.74	7.84
60°	6.47	7.23	7.57	7.76	7.90	8.00	8.13
75°	6.64	7.34	7.76	8.06	8.26	8.42	8.64
90°	6.50	7.30	7.77	8.18	8.54	8.83	9.26
110°	6.19	7.28	7.88	8.41	8.88	9.25	9.99
120°	5.99	7.14	7.79	8.39	9.03	9.71	10.82
135°	5.36	6.61	7.40	7.98	8.61	9.35	11.36
150°	4.49	5.69	6.68	7.37	7.90	8.46	9.88