Responsible for just about all parts that move, flow, cool, dry, generate, pump and propel, the megayacht engineer might be deemed the unsung hero of yachting. Face it; without the props spinning, you’re going nowhere fast, and that’s not fun for crew or guests. We dropped in on several engineers during the Yacht & Brokerage Show in Miami Beach to find out what they are most proud of in their domain – the engine room.