Delta 21
Delta Yachts · Nestor Völker · 1991
Updated
Measured under the previous VPP (2021–2024)
The Delta 21 is a 6.30 m displacement racing yacht designed by Nestor Völker and built by Delta Yachts, first launched in 1991. It races in Class C.
Length
6.30 m
20′ 8″
Beam
2.73 m
Draft
1.30 m
Displacement
1.1 t
Sail area
28 m²
On the podium
Where a Delta 21 finishes when she goes racing.
Not enough data yet to show how this design finishes. It has not been found in the race results we have collected so far.
Recent regattas
The latest events where a Delta 21 was on the start line, named as the organisers publish them.
No regattas found yet.
Raced one we are missing?
Report a regattaRound the buoys, or offshore
A short windward-leeward and a night at sea ask different things of a boat. Here is how this one does in each.
Round the buoys
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Not enough data yet: no races of 10 NM or less carry a published distance.
Offshore & coastal
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Not enough data yet: no races over 10 NM carry a published distance.
Who she races against
The designs a Delta 21 actually lines up with, most often first. The bar shows how those meetings ended.
Not enough data yet to say who this design races against. No result we have collected puts it on the water beside another design we track.
Speed at every angle
The shape of this design's speed, drawn from the measured fleet. Pick a wind and watch it stretch.
Speed in knots at 20 knots of true wind. Green marks the angles that pay: the closest useful beat and the deepest run worth sailing.
How fast is a Delta 21
Boat speed in knots, by true wind angle and wind strength.
| Angle | 6 kn | 10 kn | 14 kn | 20 kn |
|---|---|---|---|---|
| Beat VMG | 3.40 | 4.00 | 4.09 | — |
| 52° | 5.07 | 5.63 | 5.81 | — |
| 60° | 5.24 | 5.77 | 6.01 | — |
| 75° | 5.35 | 5.91 | 6.31 | — |
| 90° | 5.42 | 6.12 | 6.46 | — |
| 110° | 5.43 | 6.22 | 6.89 | — |
| 120° | 5.31 | 6.13 | 6.86 | — |
| 135° | 4.92 | 5.89 | 6.59 | — |
| 150° | 4.36 | 5.59 | 6.26 | — |
| Run VMG | 3.78 | 5.08 | 5.87 | — |
How they are set up
The range each sail spans across the fleet.
Most run a fixed propeller. Crew weight is declared around 300 kg.
Rigging
Delta 21 rig and sail dimensions
A Delta 21 carries 8.18 m of mainsail hoist on a 3.00 m boom, a forestay 7.82 m above the deck. Typical figures across the 3 boats measured under the current VPP, with the range each one spans.
Rig
Sails