." "There's plenty of design and engineering that goes into these custom boats," says Boyce. "We do all ... and laminates and structure." But the design of the yacht and its engineering are shared with the builder ... ,500 hours of design and engineering work done here in this office," says Boyce. "there is probably another ...

engines and propulsion systems. "We designed it based on a powerplant that was rumored to be coming ... -generator bolted to its aft end that also works as the starter motor for the engine. To get the silent running ... in engineering, finish, and materials with the world's finest." Marlow Yachts is also tweaking its designs ...

Range 23, a hybrid propulsion yacht that uses diesel engines, electric motors, battery banks, generators ...