Sven Yrvindvideo
The mystery of the Mystic ground wire solved. It is a good thing.
5 May 2026 · 6 min · 2K views
Electrical parts on store shelves with price tags
What this video covers
Sven Yrvind upgrades the electrical and sealing systems on his boat to improve equipment performance and weatherproofing. He installs a grounding plate to provide a solid counterpoise for his antenna, increasing signal transmission efficiency after consulting with Erik Väsberg.▶ 2:05 To prevent galvanic corrosion between aluminum and stainless steel components in the reefing system, he applies teak oil as a protective barrier.▶ 3:53 He also uses a specialized, flexible, waterproof adhesive tape to seal the aft mast base against water intrusion.▶ 4:41 The electrical system overhaul includes installing eight cigarette-style power sockets to support a telephone, iPad, tracker, VHF radio, voltmeter, computer, and an external battery charging port.▶ 5:00 Yrvind sources these components from Erlandsson, emphasizing the importance of proper grounding and material compatibility for long-term reliability.▶ 0:00
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