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Ever wondered why so many modern sailboats now have dual rudders? You might think it's about safety or redundancy—but there's actually a deeper story. This video reveals the real reasons behind the widespread adoption of dual rudders on cruising sailboats.
We dive into the physics of sailing, explaining how wider hull shapes—driven by racing technology and market trends—have changed sailing dynamics, causing significant steering challenges offshore. Learn how rudder ventilation, weather helm, and the interaction between your sails and hull shape impact your boat’s performance, safety, and comfort at sea.
We also hear directly from respected naval architect Matteo Polli, discuss real-world offshore sailing experiences, and clarify exactly what dual rudders can—and can't—do for you offshore.
If you're considering buying or sailing a dual-rudder boat, this is a must-watch before heading offshore.
Fair winds,
James
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📌 Video Chapters:
00:00 - Introduction: Why two rudders?
00:47 - Understanding Weather Helm & Balance
01:25 - Why are two rudders becoming standard?
01:46 - Rudder, keel & sail: Wings underwater
02:32 - Racing influence & marketing trends
03:05 - Why wide hulls cause rudder ventilation
03:35 - Single rudder vs. dual rudders
04:24 - How dual rudders solve ventilation problems
05:07 - The hidden downsides of dual rudders
06:18 - How heel affects balance (CLR & CE explained)
08:20 - Weather helm: Why wide boats round up
08:48 - Matteo Polli: Expert naval architect insights
09:33 - Real-world offshore sailing experience
10:28 - Challenges faced sailing dual-rudder boats offshore
11:21 - Brands shifting to dual rudders (Oyster, HR, Najad, Hylas)
12:17 - My recommendation for offshore sailors
12:58 - Conclusion & engagement
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