Excellent motor building articles, will answer a lot of question, very good information, by Brian Mulder (South Africa, a.k.a. 'Mr.DIY' on
www.rcgroups.com)
http://www.southernsoaringclub.org.za/
-> Articles from Southeasters
-> Electric motors, part 1-5.
And of course
www.powercroco.de
Motor building tips and tricks, may prevent you from creating shorts and burning your controller:
http://www.rcgroups.com/forums/showthread.php?t=240993