Talk:Multiplane (aeronautics)

Misstatement in introduction?

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The final sentence in the introduction reads "While triplane, quadruplane and tandem designs are relatively uncommon, aircraft with more than four sets of wings rarely occur - none have proven successful". Did the author intend to say that triplanes/quads/tandems are relatively _common_? Otherwise there's no distinction being made even though "While" implies one.

I'd revise it myself except that the quadruplane section shows that quads are not very common at all, so I really don't know what the author of that sentence intended.