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"The Nieuport 17 incorporated the best features of monoplanes and biplanes in what was termed the sesquiplane setup. It featured a large top wing and a smaller lower wing joined by a V-shaped strut. Learn the advantages of this classic hybrid design."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/nieuport-17.htm>