Re: electrical supercharging

[RANDY_KING@xxxxxxxxxxxxxxxxxxxxxxx]

     One of the benefits of this supercharging approach that I haven't seen 
     mentioned is energy storage (maybe I missed it).  A battery in the 
     system would allow a significant reduction in turbo lag as the 
     compressor motor could used the battery's energy immediately.  I have 
     actually been interested in a different configuration:
     
     Alternator --> battery --> supercharger
     
     In most street driving and some racing there is quite a bit of off 
     boost time.  Imagine that the alternator is set up to only charge when 
     the throttle is not wide open.  A battery is charged during this time 
     and powers an electrical compressor when WFOT occurs.  
     
     Yes the stored energy in the exhaust is wasted, but this is an 
     efficiency issue.  I suspect the people on this digest are more 
     interested in peak power!
     
     regards
     Randy King
     '73 BMW 2002tii
     '79 Alfa Spider

------------------------------