Hi every body,
wing tips are now completed, they are made out of 1mm thick hard wood sandwiched between 2 layers of 10mm(3/8") balsa. then shaped to the airfoil.in this stage it's alittle bit bigger than the wing's profile at the tipof the wing. the blocks were hollowed by the means of a low speedhandpiece and a carbide bur. then wereattached to the wing with some epoxy. carved to exactly fit the wing. and finaly sanded gradually from large to fine grit sandpaper to shape its proper shape.

Ehsan