KALI: ORC Rating

GPH

775.3

OSN

753.1

LOA

6.3 m

Displacement

1120 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.532

Medium

0.7146

High

0.8025

Triple Offshore

Low

0.6836

Medium

0.8697

High

0.9674

Boat Specifications

Dimensions

Length overall: 6.3 m
Beam: 2.73 m
Draft: 1.3 m
Displacement: 1120 kg
Crew weight: 287 kg
Wetted surface: 10.32 m²

Sails

Mainsail: 14.76 m²
Genoa: 12.88 m²
Spinnaker: 27.89 m²
Asymmetric spinnaker: 0 m²

Design

Type: Delta 21
Builder: DELTA
Designer: NESTOR VOLKER
Year built: 1991
Stability index: 101.4

Performance data

Polar CSV

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

6,43.2,3.841043,52,4.28,60,4.52,75,4.7,90,4.67,110,4.67,120,4.5,135,4.05,148.7,3.522698,150,3.47
8,42.4,4.509413,52,5.04,60,5.25,75,5.37,90,5.47,110,5.47,120,5.36,135,4.95,150,4.37,152.9,4.268642
10,41.4,4.959266,52,5.42,60,5.56,75,5.67,90,5.84,110,5.86,120,5.77,135,5.55,150,5.14,155.9,4.918747
12,39.9,5.174896,52,5.62,60,5.76,75,5.91,90,6.17,110,6.25,120,6.14,135,5.89,150,5.62,171.2,5.180989
14,39.4,5.241134,52,5.74,60,5.92,75,6.15,90,6.42,110,6.63,120,6.53,135,6.26,150,5.94,179,5.570848
16,39.8,5.284507,52,5.78,60,6.02,75,6.36,90,6.55,110,7,120,6.93,135,6.64,150,6.29,179,5.880896
20,41.8,5.285214,52,5.76,60,6.04,75,6.55,90,6.96,110,7.52,120,7.81,135,7.5,150,7.01,179,6.530995

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.28	4.52	4.7	4.67	4.67	4.5	4.05	3.47
8	5.04	5.25	5.37	5.47	5.47	5.36	4.95	4.37
10	5.42	5.56	5.67	5.84	5.86	5.77	5.55	5.14
12	5.62	5.76	5.91	6.17	6.25	6.14	5.89	5.62
14	5.74	5.92	6.15	6.42	6.63	6.53	6.26	5.94
16	5.78	6.02	6.36	6.55	7	6.93	6.64	6.29
20	5.76	6.04	6.55	6.96	7.52	7.81	7.5	7.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.8	148.7°	3.01
8	42.4°	3.33	152.9°	3.8
10	41.4°	3.72	155.9°	4.49
12	39.9°	3.97	171.2°	5.12
14	39.4°	4.05	179°	5.57
16	39.8°	4.06	179°	5.88
20	41.8°	3.94	179°	6.53

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°	4.28	5.04	5.42	5.62	5.74	5.78	5.76
60°	4.52	5.25	5.56	5.76	5.92	6.02	6.04
75°	4.70	5.37	5.67	5.91	6.15	6.36	6.55
90°	4.67	5.47	5.84	6.17	6.42	6.55	6.96
110°	4.67	5.47	5.86	6.25	6.63	7.00	7.52
120°	4.50	5.36	5.77	6.14	6.53	6.93	7.81
135°	4.05	4.95	5.55	5.89	6.26	6.64	7.50
150°	3.47	4.37	5.14	5.62	5.94	6.29	7.01