Julie - NOR13879
Sailing performance analysis for a Dufour 34e from 2008, built by Dufour Yachts and designed by Felci.
Data provided by the Offshore Racing Congress (ORC) · Certificate issued 01/06/2026
The Dufour 34e is a versatile cruiser-racer, striking a balance between comfort and performance. It excels on a reach, achieving 7.2 knots in 10 knots of wind, and can hit a top speed of 9.0 knots in stronger conditions at 20 knots of wind. With a large symmetric spinnaker, it performs competitively downwind, reaching 5.2 knots in 10 knots of wind. The sail plan is well-balanced, with the jib and mainsail proportioned to enhance upwind capabilities.
Sailing performance as a polar diagram
A polar diagram shows boat speed at different wind angles and wind speeds. The distance from center represents boat speed in knots, and the angle represents the boats angle to the wind. The wind speed is shown as true wind speed (TWS), not apparent wind speed. Likewise, the wind angle is shown as true wind angle (TWA), not apparent wind angle.
Beat: Sailing upwind (toward the wind)
Beam Reach: Sailing across the wind
Run: Sailing downwind (away from the wind)
VMG Performance
Wind Speed (columns): True wind speed (TWS) in knots - the actual wind speed, not the apparent wind you feel on deck.
VMG (Velocity Made Good) is your effective speed toward your destination, not your actual boat speed.
Beat VMG (top bars): Speed made good when sailing upwind. Higher is better - it means you're reaching the windward mark faster.
Run VMG (bottom bars): Speed made good when sailing downwind. Higher is better - it means you're reaching the leeward mark faster.
Measured sails
Measurements
🏁 Race Results🥇1 🥉1
| Date | Event | Result | Class | Skipper |
|---|---|---|---|---|
| 2026 | ||||
| 01.09.2026 | Bodø Seilforening tirsdagsseilaser 2026 | 8/8 | Klasse 2 | Tom Antonsen |
| 27.06.2026 | Vestfjordseilasen | 5/9 | Regatta med spinnaker 2 | Tom Antonsen |
| 2025 | ||||
| 30.09.2025 | Bodø Seilforening tirsdagsseilaser 2025 | 5/8 | Klasse 2 | Tom Antonsen |
| 28.06.2025 | Vestfjordseilasen 2025 | 3/5🥉 | NOR-rating m/spinn 2 | Tom Antonsen |
| 2024 | ||||
| 01.10.2024 | Bodø Seilforening Tirsdagsserie 2024 | 4/10 | Klasse 2 | Tom Antonsen |
| 29.06.2024 | Vestfjordseilasen 2024 | 6/7 | NOR-Rating M/Spinnaker 1 | Tom Antonsen |
| 25.05.2024 | Nordland Offshore Race 2024 | 1/4🥇 | Regattaklasse | Ola Sakshaug |
Race results from manage2sail.com & sailracesystem.no
Identity
Dimensions
Sail Areas
ORC Rating
Rated boat speeds
| Wind Speed (TWS) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4 kt | 6 kt | 8 kt | 10 kt | 12 kt | 14 kt | 16 kt | 20 kt | 24 kt | |
| Beat VMG | 2.31 | 3.30 | 4.02 | 4.55 | 4.90 | 5.05 | 5.12 | 5.14 | 5.06 |
| 52° | 3.66 | 5.07 | 6.00 | 6.60 | 6.93 | 7.10 | 7.18 | 7.24 | 7.23 |
| 60° | 3.95 | 5.36 | 6.26 | 6.79 | 7.10 | 7.28 | 7.37 | 7.45 | 7.47 |
| 75° | 4.16 | 5.54 | 6.44 | 6.94 | 7.24 | 7.47 | 7.63 | 7.81 | 7.91 |
| 90° | 4.03 | 5.44 | 6.50 | 7.10 | 7.44 | 7.65 | 7.79 | 8.13 | 8.36 |
| 110° | 3.93 | 5.49 | 6.60 | 7.19 | 7.58 | 7.93 | 8.26 | 8.77 | 9.10 |
| 120° | 3.79 | 5.32 | 6.43 | 7.08 | 7.49 | 7.87 | 8.25 | 9.01 | 9.68 |
| 135° | 3.29 | 4.75 | 5.88 | 6.70 | 7.21 | 7.58 | 7.95 | 8.77 | 9.74 |
| 150° | 2.72 | 4.00 | 5.08 | 6.03 | 6.76 | 7.23 | 7.58 | 8.31 | 9.15 |
| Run VMG | 2.35 | 3.46 | 4.40 | 5.24 | 5.97 | 6.56 | 7.02 | 7.70 | 8.37 |
Boat speed (knots) at wind angle / wind speed