A recent/active discussion about diy slotless inrunners, contributions by a.o. Christian Lucas, Helmut Schenk and Thomas Asschenbrenner:
http://www.rclineforum.de/forum/thre...threadid=89559
Thomas' diy inrunner homepage, some very special coils (the same as the ones used in
www.hb-motoren.de)
http://home.vrweb.de/thomas_aschenbrenner/