GRAND SOLEIL 50 Sail Configuration Guide

Overview

The GRAND SOLEIL 50, designed by Doug Peterson and built by Cantiere Del Pardo, is a high-performance cruiser-racer. It is engineered to deliver competitive IMS-level racing speeds without sacrificing the comfort required for extended bluewater cruising.

Rig Specifications & Performance Analysis

Analysis of the 14.83m platform's P/E/I/J dimensions reveals a powerful and efficient sail plan:

• Mainsail Configuration: A P/E ratio of 3.00 indicates a high-aspect ratio rig, offering superior lift and efficiency when sailing close-hauled.
• Foretriangle Design: The I/J ratio of 3.18 provides a tall, relatively narrow foretriangle, well-suited for high-overlap genoas in light air or modern non-overlapping jibs in heavier conditions.
• Sail Area: 98m² total upwind area provides a high power-to-displacement ratio.
• Performance: The Doug Peterson design ensures a stiff, weatherly boat that excels in upwind performance and maintains speed in a wide range of sea states.

Popular Sail Configurations

• Mainsail: Typically configured as a full-battened sail to maximize the 16.54m luff length and improve shape control.
• Headsail: Configurations vary from 135% overlapping genoas for light-air regions to 105% working jibs for versatile offshore cruising.

Key Characteristics

• High-aspect rig design optimizes aerodynamic lift for superior pointing angles.
• Tall I dimension (18.31m) enables powerful headsail configurations for light-air performance.
• 14.83m LOA and 2.27m draft provide excellent stability and high hull speeds.
• Balanced Doug Peterson hull lines ensure a predictable, close-winded sailing experience.

Sailing Considerations

• The 98m² sail plan is powerful; active backstay and car adjustments are necessary to depower in gusts.
• Requires a crew of 4-6 for efficient racing, though it is manageable by a couple for cruising with high-quality deck hardware.
• Performance expectations include high stability and a dry ride in moderate offshore conditions.

Sailmaking Recommendations

For the GRAND SOLEIL 50, 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 3.00 P/E ratio, a tri-radial fiber layout works best to handle the high vertical loads. A typical inventory includes a full-battened mainsail and a 105% furling jib. With 98m² of sail area, plan to reef the mainsail around 18-20 knots to maintain an upright, efficient heel angle.

Conclusion

The GRAND SOLEIL 50 is a sophisticated Doug Peterson design that rewards precise sail trim and modern materials. Explore sail options for GRAND SOLEIL 50 to unlock the full potential of this iconic cruiser-racer.