Sailing Umavideo

Why Flexible Solar Panels Fail—and What We’re Using Instead | Step 436

12 April 2025 · 23 min · 167K views

What this video covers

Flexible solar panels often fail due to micro-cracks in the internal cells caused by repeated flexing and lack of structural support.15:23 To mitigate this, Levante developed a hybrid solar panel using a recycled carbon fiber core, which provides a rigid backing that is three to five times lighter than virgin carbon fiber.6:19 This stiffness protects the solar cells from cracking while allowing for mounting on curved surfaces.6:50 On the all-electric sailboat Uma, replacing heavy, frame-mounted residential panels with these carbon-core units on the stern arch reduces top-side weight by approximately 40 kilograms, significantly improving the vessel's motion and stability in heavy seas.14:33 While panels mounted on flat, solid surfaces like the dodger or deck do not require the added stiffness of a carbon core, the arch installation benefits from the weight savings and structural integrity.18:44 Proper support is essential for longevity, as even minor cell damage from movement can degrade the entire panel's power output.16:05

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