TARTAN 34 Sail Configuration Guide

Overview

The TARTAN 34 is an Olin Stephens design that exemplifies the classic cruiser-racer philosophy, balancing seaworthiness with a competitive edge. Built by Tartan Yachts, it is engineered for sailors who demand a stiff, weatherly boat capable of both offshore passages and spirited club racing.

Rig Specifications & Performance Analysis

• Mainsail Configuration: A P/E ratio of 2.96 indicates a high-aspect rig, prioritizing aerodynamic efficiency and upwind lift.
• Foretriangle Design: The I/J ratio of 2.93 is optimized for large overlapping genoas, characteristic of performance designs of this era.
• Sail Area: 46m² total upwind area provides ample power relative to the boat's displacement.
• Performance: The configuration is heavily oriented toward upwind performance and stability in varied sea states.

Popular Sail Configurations

• Mainsail: Typically configured with a high-aspect cut to maximize the 10.82m luff length.
• Headsail: Most owners utilize a range of overlapping genoas (135-150%) for light air and 100% jibs for heavy weather.

Key Characteristics

• High-aspect mainsail (2.96 P/E) ensures superior pointing ability and lift.
• Large foretriangle (2.93 I/J) allows for versatile headsail power in light air.
• Deep 2.59m draft offers exceptional stiffness and resistance to leeway.
• Olin Stephens hull design provides a balanced, predictable feel on the helm.

Sailing Considerations

• The TARTAN 34 is a stiff boat that remains manageable as the breeze increases.
• The rig's proportions allow for efficient sail handling by a small crew.
• Expect high performance in moderate to fresh conditions where the deep draft provides maximum stability.

Sailmaking Recommendations

For the TARTAN 34, we recommend SurgeX membrane sails as the optimal choice for most sailors. SurgeX uses continuous fiber construction where fibers are laid along load paths and embedded in a thin membrane, providing superior shape retention compared to traditional Dacron while being more affordable than premium laminates. The continuous fiber structure means less stretch over time, maintaining the designed sail shape for years.

For racing applications, specify a lightweight SurgeX configuration with minimal base weight to maximize performance. For cruising or bluewater sailing, add a taffeta protective layer on both sides to enhance UV resistance and abrasion protection. Based on the 2.96 P/E ratio, a tri-radial fiber layout works best to handle the high vertical loads. A typical inventory includes a high-aspect main, a 135% genoa, and a dedicated heavy-weather jib. With 46m² of sail area and a deep draft, plan to take the first reef around 18-20 knots.

Conclusion

The TARTAN 34 is a refined performance cruiser that rewards proper sail trim and high-quality membrane construction. Explore sail options for TARTAN 34 to maximize your rig's potential.