Sadler 34
Sadler Yachts · David Sadler · 1980
Updated
The Sadler 34 is a 10.55 m heavy displacement racing yacht designed by David Sadler and built by Sadler Yachts, first launched in 1980. It races in Class C.
Length
10.55 m
34′ 7″
Beam
3.28 m
Draft
1.85 m
Displacement
6.1 t
Sail area
62 m²
On the podium
Where a Sadler 34 finishes when she goes racing.
0
Wins
0
Seconds
0
Thirds
2
Starts
Not enough races yet for a percentage — these are the counts so far. We keep collecting results, so this will fill in.
Read from 2 starts by 1 boat between 2026, counting races with six boats or more.
Recent regattas
The latest events where a Sadler 34 was on the start line, named as the organisers publish them.
Bergens-Seilforening Serieseilas T&H2026- Isbjørnen2026
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 Sadler 34 actually lines up with, most often first. The bar shows how those meetings ended.
Met too few times for a figure:
X-35 (2 meetings), Landmark 43 (2 meetings), Elan 37 (4 meetings), First 40.7 (2 meetings), Dehler 38 (Judel/Vrolijk) (2 meetings), Dehler 42 (1 meeting), Xp 38 (1 meeting), Bavaria Match 35 (1 meeting), Sun Odyssey 409 (1 meeting), Dufour 34 (1 meeting), X-37 (1 meeting), Sun Fast 32 (1 meeting), Cumulus (1 meeting)
Speed at every angle
The shape of this design's speed, drawn from the measured fleet. Pick a wind and watch it stretch.
Upwind VMG
4.87
38°
Beam reach
7.47
90°
Broad reach
8.05
135°
Downwind VMG
7.18
170°
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.
Where it wins and where it pays
Every boat is judged against its own measurements — length, weight, sail area. The quicker those say it should be, the more it has to deliver just to break even. Going fast is not enough: it has to go faster than its own numbers promised.
There is no obvious weak spot here. It rewards preparation and crew work more than it rewards picking the right day.
Where it gains
Its best ground is upwind in a strong breeze, where it goes better than its measurements say it should, and by a margin worth having.
Where it pays
It falls short on a broad reach once it pipes up, giving away time it never gets back. That is weight that has to be driven rather than released.
Above the line it delivers more than promised and gains on the fleet. Below, it falls short. Move the wind: plenty of boats sit on one side in the light and the other when it blows.
Full width is 0.4 kn either way.
At 10 knots this design makes back more than its rating asks on the beam reach.
How fast is a Sadler 34
Boat speed in knots, by true wind angle and wind strength.
| Angle | 6 kn | 10 kn | 14 kn | 20 kn |
|---|---|---|---|---|
| Beat VMG | 2.98 | 4.11 | 4.68 | 4.87 |
| 52° | 4.59 | 6.04 | 6.61 | 6.82 |
| 60° | 4.85 | 6.25 | 6.75 | 6.99 |
| 75° | 5.02 | 6.41 | 6.91 | 7.29 |
| 90° | 5.02 | 6.59 | 7.12 | 7.47 |
| 110° | 5.10 | 6.72 | 7.34 | 8.05 |
| 120° | 4.93 | 6.63 | 7.30 | 8.20 |
| 135° | 4.43 | 6.31 | 7.11 | 8.05 |
| 150° | 3.76 | 5.65 | 6.78 | 7.66 |
| Run VMG | 3.26 | 4.91 | 6.15 | 7.18 |
How they are set up
The range each sail spans across the fleet.
Nearly all carry a folding propeller. Crew weight is declared around 440 kg.
Rigging
Sadler 34 rig and sail dimensions
A Sadler 34 carries 11.24 m of mainsail hoist on a 3.65 m boom, a forestay 12.83 m above the deck. Typical figures across the 2 boats measured under the current VPP, with the range each one spans.
Rig
Sails
The spinnaker spreads widest of all — 70 to 90 m² depending on bowsprit and set-up. Before ordering a sail, read the figure on your own measurement record rather than the typical one for the design.