Sailing NV · video

What this video covers

Jo and Timo conduct the first sea trial of a new engine installed in their former Vendee Globe racer, replacing a 30-year-old 39-horsepower Volvo.▶ 0:13 The crew monitors engine performance, oil pressure, and coolant temperature while testing a J-Prop feathering propeller.▶ 6:46 They initially set the propeller pitch at 11, adjusting it during the trial to balance engine load and vessel speed.▶ 3:26 With the tachometer uncalibrated—reading 3,000 RPM when the engine is likely at 2,700 RPM—the boat reaches a top speed of 8 knots.▶ 8:04 The crew notes that a pitch set too high causes engine strain and black smoke, while a pitch set too low prevents the engine from reaching maximum power.▶ 3:33 They plan to continue testing the pitch in various sea states to optimise fuel efficiency and performance for upcoming passages along the coast of Borneo.▶ 8:21

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