sesquiplane Directory References Discover How Deadly Is Quicksand? 6 Wars of Independence Causes of the Great Depression Timeline of the Titanic’s Final Hours 7 of the World’s Deadliest Shipwrecks Cruel and Unusual Punishments: 15 Types of Torture 7 of the World’s Most Dangerous Festivals Contents sesquiplane airplane Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:biplanes In biplane…the lower) is called a sesquiplane. A few triplane designs proved successful during World War I; powered aircraft with four or more main lifting surfaces have never been more than curiosities.Read More
