Sailing Nandji - Frothlyfe · video

What this video covers

The crew of Nandji - Frothlyfe performs engine maintenance and repairs while hauled out at Reback Marina in Malaysia.0:14 The primary mechanical task involves removing a stubborn propeller shaft coupling to install a Brunton Sigma Drive, a flexible coupling designed to reduce vibration and compensate for engine-to-shaft misalignment.2:33 After soaking the coupling in WD-40 and applying heat with a gas torch—while using a fire blanket to protect the plastic PSS shaft seal—the crew successfully removes the coupling using a puller and a hammer.13:15 Because the existing shaft was previously machined to fit the old coupling, the installation requires a spacer and longer studs to accommodate the Sigma Drive.17:04 Additionally, the crew prepares to repair a damaged boom vang attachment point by drilling out existing rivets and planning for a reinforced aluminum lug.8:34 The project aims to restore engine reliability and reduce drivetrain vibration. A properly aligned engine and a flexible coupling like the Sigma Drive significantly reduce wear on the gearbox and cutlass bearing.

Boats in this video

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