yar Ali Gs egg beater... was thinking along those lines, pod -> turbo -> blower -> chamber. the charger turning off (electromagnetic clutch) at some point
http://au.youtube.com/watch?v=4SjNgVH_HN0
http://au.youtube.com/watch?v=yzRpz9c-t_o
http://au.youtube.com/watch?v=p4ydUi1XUGI
thanks for your help guys