Sampson Boat Co · video

What this video covers

The restoration of the 112-year-old yacht Tally Ho in Port Townsend involves constructing heavy-duty engine beds to support a new propulsion system.1:03 Shipwrights fabricated thwart-ship bearers to span the frames, using a taut string line aligned through the stern tube to determine the precise orientation and position for the engine beds.5:04 The team plans to secure the assembly with bronze bolts and heavy-duty 5/8" bronze lag screws.6:13 The vessel’s new power plant is a Beta Marine diesel engine based on a 4-cylinder 85-horsepower Kubota block, paired with a PRM 500 hydraulic gearbox.16:03 The system incorporates a parallel hybrid setup from Hybrid Marine, featuring two 10-kilowatt generator motors connected to the gearbox via a belt drive.17:02 This configuration allows for diesel propulsion, electric-only motoring, or generating electricity while stationary or under sail by spinning the propeller.17:29 The hybrid design provides redundancy, allowing the diesel engine to operate independently of the electrical system, while offering quiet, short-range electric manoeuvring and high-capacity power generation for long-distance cruising.19:01

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