sentences:  "Wittelsbach" and her sisters carried a number of smaller vessels, including two picket boats, two launches, one pinnace, two cutters, two yawls, and two dinghies.The five ships of the "Wittelsbach" class each had three 3-cylinder triple expansion steam engines.The outer engines drove a three-bladed screw that was in diameter; the central shaft drove a four-bladed screw that was slightly smaller, at in diameter.