thanks, here is the wing: http://forum.keypublishing.com/attachment.php?attachmentid=12700&stc=1&d=1074055111
I think I will just work out the "wing area" (projected area), not the total surface area, because that's even more complicated, which including some 3d shapes and "curvy" bits...
I am planning to measure the wing area of a Spitfire aircraft. I am going to use double integral formula, but firstly I need to derive the continuous function for the region of interest. Also,
How to do that? I searched the entire internet and only found out the wing span of that aircraft...