[ron_van_sommeren]

Slotless inrunners:
http://www.rcgroups.com/forums/showthread.php?t=151285
http://www.rcgroups.com/forums/showthread....threadid=168528
http://www.rcgroups.com/forums/showthread.php?t=70373

Making coils for slotless inrunners:
http://home.vr-web.de/~thomas_aschenbrenner/

Inrunner tricks:
http://www.rcgroups.com/forums/showthread....817#post2003817

LRK inrunner:
http://www.cenara.com/users/ce00359/LRK220.htm

Halbach array inrunner:
http://goldeneye.ethz.ch/motoren/ele...unner/index_EN