Sailing Uma · video

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Weight distribution and total displacement significantly impact the performance and handling of a displacement-hull cruising sailboat.2:28 While heavier boats generally sail slower, they often provide a more stable motion in a seaway compared to lighter, planing-capable vessels.2:40 During a major refit of the 38-ft sailboat Uma, the crew balances the addition of structural fiberglass ribs and stringers against the removal of heavy interior components, such as a 50-kg walnut navigation desk and marble finishes.5:49 Moving heavy equipment like battery banks from the cockpit to the salon, centered over the keel, improves the vessel's balance and reduces stern-heavy trim.24:05 Upgrading to lithium battery technology allows for triple the capacity at only double the weight of the previous bank.17:15 Additionally, replacing stainless steel standing rigging with synthetic alternatives offers a high-leverage weight reduction, as weight removed from the mast significantly improves keel effectiveness.24:14 Structural stiffness gained through glassing bulkheads and hull joints provides a greater performance benefit than the minor weight penalties incurred by the new interior construction.27:31

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