Mailing List flyrotary@lancaironline.net Message #163
From: Tracy Crook <lors01@msn.com>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [FlyRotary] dynamic balancing
Date: Fri, 04 Oct 2002 00:23:46 -0400
To: <FLYROTARY>

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

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