höyrylentzijä
Höyrylentzijä is a Finnish term that translates to "steam glider" or "steam flyer." It refers to a type of experimental aircraft that was designed to be propelled by steam power. While the concept of steam-powered flight was explored in various forms throughout the late 19th and early 20th centuries, the term höyrylentzijä specifically relates to Finnish attempts at achieving this.
The underlying principle involved using a steam engine to drive a propeller or other means of propulsion,
Despite these difficulties, a few inventors and enthusiasts in Finland pursued the idea of steam-powered flight.