Yesterday I dint remember  somebody, had posted a link on  plans for how to make scale  planes,it's probably a foreign website,because I dint find it after searching,would be happy if somebody give me that link.

Try outerzone.co.uk

Mr. Iyer, outerzone is a really good site! Thanks for the link!

http://www.rcscratchbuilders.com/index.html

http://www.svensons.com/airplanes/

MIT Professor Mark Drela's open source designs are at
http://www.charlesriverrc.org/articles.htm