GUMMO — ORC Rating | RegattaPages

GPH

642.2

OSN

621.1

LOA

10 m

Displacement

3869 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6153

Medium

0.8555

High

1.0087

Triple Offshore

Low

0.7995

Medium

1.06

High

1.2218

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.7 m
Draft: 1.98 m
Displacement: 3869 kg
Crew weight: 560 kg
Wetted surface: 24.37 m²

Sails

Mainsail: 31.99 m²
Genoa: 20.61 m²
Spinnaker: 79.48 m²
Asymmetric spinnaker: 0 m²

Design

Type: BONGO 9.60
Builder: 3C COMPOSITE
Designer: ROLAND Pierre
Year built: 2002

Velocity Prediction

Polar CSV

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

6,44.2,4.365956,52,4.84,60,5.14,75,5.36,90,5.5,110,5.58,120,5.43,135,4.91,144.5,4.372844,150,4.11
8,42.8,5.219905,52,5.81,60,6.13,75,6.38,90,6.61,110,6.75,120,6.62,135,6.07,149,5.261517,150,5.2
10,41.2,5.794675,52,6.51,60,6.77,75,6.96,90,7.22,110,7.35,120,7.27,135,6.94,150,6.177648
12,40.3,6.293693,52,6.93,60,7.12,75,7.28,90,7.56,110,7.83,120,7.76,135,7.43,150,6.95,156,6.677281
14,39,6.523871,52,7.16,60,7.35,75,7.56,90,7.76,110,8.35,120,8.32,135,7.91,150,7.4,173,6.760391
16,38.6,6.602514,52,7.3,60,7.53,75,7.86,90,8.01,110,8.77,120,8.92,135,8.48,150,7.84,180,7.21
20,39,6.639679,52,7.36,60,7.67,75,8.31,90,8.72,110,9.37,120,10,135,9.87,150,8.91,180,8.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.84	5.14	5.36	5.5	5.58	5.43	4.91	4.11
8	5.81	6.13	6.38	6.61	6.75	6.62	6.07	5.2
10	6.51	6.77	6.96	7.22	7.35	7.27	6.94	6.18
12	6.93	7.12	7.28	7.56	7.83	7.76	7.43	6.95
14	7.16	7.35	7.56	7.76	8.35	8.32	7.91	7.4
16	7.3	7.53	7.86	8.01	8.77	8.92	8.48	7.84
20	7.36	7.67	8.31	8.72	9.37	10	9.87	8.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.13	144.5°	3.56
8	42.8°	3.83	149°	4.51
10	41.2°	4.36	150°	5.35
12	40.3°	4.8	156°	6.1
14	39°	5.07	173°	6.71
16	38.6°	5.16	180°	7.21
20	39°	5.16	180°	8.05

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