Check out the following link which should provide more info on the Hornby systems:
http://www.modelrailforum.com
Regards
Tim
If there's any information available about it, the Hornby USA web site might have it.
http://www.hornby-usa.com/index.php?CURRENT_PAGE_ID=131
If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.
Simon Modelling CB&Q and Wabash See my slowly evolving layout on my picturetrail site http://www.picturetrail.com/simontrains and our videos at http://www.youtube.com/user/MrCrispybake?feature=mhum