How many planes were built with an ellipse shaped wing during World War II (not counting prototypes)? - Quora
![aircraft design - What are the different wing planforms? What are each's advantages? Where are they commonly used? - Aviation Stack Exchange aircraft design - What are the different wing planforms? What are each's advantages? Where are they commonly used? - Aviation Stack Exchange](https://i.stack.imgur.com/nrvsB.jpg)
aircraft design - What are the different wing planforms? What are each's advantages? Where are they commonly used? - Aviation Stack Exchange
![Why was the Spitfire's elliptical wing almost uncopied by other aircraft of World War 2? - Aviation Stack Exchange Why was the Spitfire's elliptical wing almost uncopied by other aircraft of World War 2? - Aviation Stack Exchange](https://i.stack.imgur.com/e9245.jpg)