UMMAGUMMA — ORC Rating

GPH

568.2

OSN

556.2

LOA

9.5 m

Displacement

3300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7414

Medium

0.9463

High

1.0822

Triple Offshore

Low

0.9512

Medium

1.1724

High

1.3286

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.7 m
Draft: 2.37 m
Displacement: 3300 kg
Crew weight: 450 kg
Wetted surface: 24.25 m²

Sails

Mainsail: 47.87 m²
Genoa: 30.78 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 103.76 m²

Design

Type: Esyd950/Class 9.50
Builder: Bert Mauri
Designer: Siviero
Year built: 2014
Stability index: 125.2

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.

6,43.2,5.500923,52,6.13,60,6.48,75,6.77,90,6.78,110,6.3,120,6.13,135,5.56,144.2,5.04276,150,4.72
8,40.9,6.284287,52,6.96,60,7.19,75,7.4,90,7.4,110,7.32,120,7.21,135,6.82,146,6.187898,150,5.93
10,38.1,6.48084,52,7.19,60,7.43,75,7.84,90,7.98,110,8.02,120,7.93,135,7.49,150,6.91,151.1,6.842082
12,37,6.573712,52,7.32,60,7.59,75,8.12,90,8.52,110,8.55,120,8.79,135,8.23,150,7.47,151.1,7.401785
14,37,6.711447,52,7.42,60,7.74,75,8.31,90,8.82,110,8.99,120,9.47,135,9.14,147.9,8.239664,150,8.05
16,36.7,6.78494,52,7.52,60,7.83,75,8.47,90,9.07,110,9.52,120,10.01,135,10.23,145.2,9.316212,150,8.84
20,37.6,6.866176,52,7.61,60,7.99,75,8.73,90,9.47,110,10.65,120,11.07,135,12.66,139.5,12.743193,150,11.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.13	6.48	6.77	6.78	6.3	6.13	5.56	4.72
8	6.96	7.19	7.4	7.4	7.32	7.21	6.82	5.93
10	7.19	7.43	7.84	7.98	8.02	7.93	7.49	6.91
12	7.32	7.59	8.12	8.52	8.55	8.79	8.23	7.47
14	7.42	7.74	8.31	8.82	8.99	9.47	9.14	8.05
16	7.52	7.83	8.47	9.07	9.52	10.01	10.23	8.84
20	7.61	7.99	8.73	9.47	10.65	11.07	12.66	11.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	4.01	144.2°	4.09
8	40.9°	4.75	146°	5.13
10	38.1°	5.1	151.1°	5.99
12	37°	5.25	151.1°	6.48
14	37°	5.36	147.9°	6.98
16	36.7°	5.44	145.2°	7.65
20	37.6°	5.44	139.5°	9.69

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