In this article I will review the different types of propulsion found in yachts and the benefits of each.  This will help to understand why certain yachts have the powertrain they do. 1. Straight Shaft Inboard 2. V-Drive Inboard 3. Jet Drive 4. Surface Drive 5. Pod Drive 1. Straight Shaft Inboard Illustration of a Straight Shaft Inboard Yacht Straight Shaft inboards are the most traditional type of propulsion in use today.  It is comprised of a rear-facing engine connected to a transmission which has a driveshaft going straight out of the bottom of the boat. Running Gear of a Straight Shaft Inboard Yacht   See in the photo above a boat hauled out of the water the shaft coming out of the bottom of the boat.  It is held in place by a strut right in front of the … [Read more...]