YAYA — ORC Rating | RegattaPages

GPH

688.8

OSN

668.6

LOA

10.485 m

Displacement

5256 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6647

Medium

0.8996

High

1.0366

Triple Offshore

Low

0.8516

Medium

1.1088

High

1.2371

Boat Specifications

Dimensions

Length overall: 10.485 m
Beam: 3.02 m
Draft: 1.87 m
Displacement: 5256 kg
Crew weight: 460 kg
Wetted surface: 23.95 m²

Sails

Mainsail: 27.64 m²
Genoa: 35.31 m²
Spinnaker: 72.54 m²
Asymmetric spinnaker: 0 m²

Design

Type: IMPALA 35
Builder: C. NAUTICO 71
Designer: SPARKMAN & STEPHEN
Year built: 1971

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.

6,42.3,4.204799,52,4.7,60,4.94,75,5.13,90,5.08,110,5.04,120,4.91,135,4.5,147.6,3.967653,150,3.86
8,41,4.915798,52,5.56,60,5.85,75,6.07,90,6.03,110,6.14,120,5.99,135,5.5,150,4.85,151.6,4.774634
10,41.6,5.589744,52,6.22,60,6.43,75,6.59,90,6.64,110,6.75,120,6.67,135,6.36,150,5.7,152,5.606222
12,41.1,5.945087,52,6.52,60,6.7,75,6.85,90,6.89,110,7.1,120,7.05,135,6.82,150,6.43,157.5,6.115516
14,40.4,6.053537,52,6.64,60,6.83,75,7.04,90,7.12,110,7.39,120,7.38,135,7.15,150,6.83,180,6.26
16,40.1,6.105202,52,6.7,60,6.9,75,7.17,90,7.33,110,7.59,120,7.7,135,7.49,150,7.14,180,6.71
20,40.3,6.123238,52,6.72,60,6.94,75,7.29,90,7.65,110,7.85,120,8.14,135,8.16,150,7.78,180,7.32

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.7	4.94	5.13	5.08	5.04	4.91	4.5	3.86
8	5.56	5.85	6.07	6.03	6.14	5.99	5.5	4.85
10	6.22	6.43	6.59	6.64	6.75	6.67	6.36	5.7
12	6.52	6.7	6.85	6.89	7.1	7.05	6.82	6.43
14	6.64	6.83	7.04	7.12	7.39	7.38	7.15	6.83
16	6.7	6.9	7.17	7.33	7.59	7.7	7.49	7.14
20	6.72	6.94	7.29	7.65	7.85	8.14	8.16	7.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.11	147.6°	3.35
8	41°	3.71	151.6°	4.2
10	41.6°	4.18	152°	4.95
12	41.1°	4.48	157.5°	5.65
14	40.4°	4.61	180°	6.26
16	40.1°	4.67	180°	6.71
20	40.3°	4.67	180°	7.32

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