>
> Seeing as how I'm getting very close to the time when I'll reassemble my
> collection of parts into a ready-to-run noisemaker it occurs to me that I
> probably should make some effort at getting the rotating parts balanced to
> insure as-smooth-as-possible operation of my engine.  There have been
> mentions on this list of having the rotating components dynamically
> balanced, but I don't remember ever seeing where to get this done, or an
> approximate cost for the service.  Do I just gather up my rotors, e-shaft,
> counterweights, & flywheel and take them to the local Mazda dealer for
this
> service, or am I going to have to pack everything up and ship it off to a
> specialist for this service?  To those of you who have built up your
> engines already (or have purchased an engine from Bruce or another
> builder), did you or your builder take this step before final assembly, or
> did you simply put everything back together and trust in faith that the
> spinning masses will be harmonious in their inter-relationships?  All
> comments welcome and appreciated.
>
>         <Marv>

Never done anything other than insure that the rotors & counterweights match
the proper series of engine.  All the perceived vibration I have experienced
is at the propeller speed.  Have improved things a lot by carefully
ballancing the prop & spinner.

Tracy