Ducted Fan Engine

[Kenneth C. King]

 [ munch ]
> >If you reduce compression and fit a spark-ignition-system, you can 
> >use normal-gas without nitro and therefore won't have any corrosion 
> >inside the housing.
> >A model-engine normally is very reliable for years (exept 
> >race-engines which sometimes make more than 32000 RPM!)
> >But I would also prefer electrical motors..
greetings:
  what about the super-cheep smog-pump-as-a-blower?  i.ve heard of these
things making a few pounds of boost and they're motor speed driven...
  what are the drawbacks?  any clues?

later,
kc