Zamboni: ORC Rating

GPH

567.4

OSN

552.2

LOA

10.91 m

Displacement

3697 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7359

Medium

0.967

High

1.0968

Triple Offshore

Low

0.9442

Medium

1.1817

High

1.328

Boat Specifications

Dimensions

Length overall: 10.91 m
Beam: 3.59 m
Draft: 2.24 m
Displacement: 3697 kg
Crew weight: 680 kg
Wetted surface: 23.46 m²

Sails

Mainsail: 42.02 m²
Genoa: 42.78 m²
Spinnaker: 93.72 m²
Asymmetric spinnaker: 103.88 m²

Design

Type: Mumm 36
Builder: Cookson
Designer: Farr
Year built: 1993
Stability index: 120.4

Performance data

Polar CSV

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

6,42.4,5.376087,52,6.03,60,6.37,75,6.63,90,6.56,110,6.31,120,6.12,135,5.5,143.3,5.013871,150,4.65
8,40.8,6.367281,52,7.03,60,7.21,75,7.33,90,7.33,110,7.36,120,7.26,135,6.8,145.6,6.12037,150,5.83
10,38.2,6.680606,52,7.37,60,7.56,75,7.74,90,7.76,110,7.95,120,7.86,135,7.51,150,6.85,150.5,6.813306
12,36.9,6.815186,52,7.52,60,7.74,75,8.1,90,8.23,110,8.5,120,8.53,135,8.11,150,7.48,158.3,7.114162
14,36.1,6.893651,52,7.62,60,7.88,75,8.33,90,8.66,110,8.88,120,9.21,135,8.8,150,8.01,170.9,7.271521
16,36,6.921981,52,7.68,60,7.97,75,8.49,90,9,110,9.24,120,9.75,135,9.62,150,8.61,175.4,7.694786
20,35.4,7.017305,52,7.83,60,8.12,75,8.67,90,9.4,110,9.94,120,10.7,135,11.81,150,10.13,152.3,9.916493

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.03	6.37	6.63	6.56	6.31	6.12	5.5	4.65
8	7.03	7.21	7.33	7.33	7.36	7.26	6.8	5.83
10	7.37	7.56	7.74	7.76	7.95	7.86	7.51	6.85
12	7.52	7.74	8.1	8.23	8.5	8.53	8.11	7.48
14	7.62	7.88	8.33	8.66	8.88	9.21	8.8	8.01
16	7.68	7.97	8.49	9	9.24	9.75	9.62	8.61
20	7.83	8.12	8.67	9.4	9.94	10.7	11.81	10.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.97	143.3°	4.02
8	40.8°	4.82	145.6°	5.05
10	38.2°	5.25	150.5°	5.93
12	36.9°	5.45	158.3°	6.61
14	36.1°	5.57	170.9°	7.18
16	36°	5.6	175.4°	7.67
20	35.4°	5.72	152.3°	8.78

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°	6.03	7.03	7.37	7.52	7.62	7.68	7.83
60°	6.37	7.21	7.56	7.74	7.88	7.97	8.12
75°	6.63	7.33	7.74	8.10	8.33	8.49	8.67
90°	6.56	7.33	7.76	8.23	8.66	9.00	9.40
110°	6.31	7.36	7.95	8.50	8.88	9.24	9.94
120°	6.12	7.26	7.86	8.53	9.21	9.75	10.70
135°	5.50	6.80	7.51	8.11	8.80	9.62	11.81
150°	4.65	5.83	6.85	7.48	8.01	8.61	10.13