. . . "The Gurstler was a type of propulsion engine used on spaceships. The company apparently made its profit through government contracts, as Kaylee mentioned that the Union of Allied Planets cruisers used a number of these types of engines. (6 mounted under each cooling drive)"@en . "Gurstler"@en . . "The Gurstler was a type of propulsion engine used on spaceships. The company apparently made its profit through government contracts, as Kaylee mentioned that the Union of Allied Planets cruisers used a number of these types of engines. (6 mounted under each cooling drive)"@en . . . . .