does anyone know the pattern for making a nylon stockwhip(bullwhip cowwhip)?

Answer 1

You can generally use all whip-making sites as long as you know how to handle the differences in nylon from leather, but here is one where they use nylon to start with:
http://www.dallasdogsled.com/Whips/CowWhip.htm
This one seems rather wide in information:
http://members.ozemail.com.au/~welmat/how2st.htm
And if you need more braiding patterns, or a different set of pictures, look at the braids here:
http://knopen.ismijnhobby.nl/tables/braid-text_table.html