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From: "Marvin Kaye" <marv@lancaironline.net>
Subject: dynamic balancing
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Date: Tue, 11 Jan 2005 09:31:08 -0500
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Lots of great discussion here the past several weeks (actually, the past 
several years have been excellent) and the topic of dynamic balancing of the 
spinning parts has been talked about quite a bit.  No one, though, has 
mentioned where you send the rotating assembly to get it balanced and what it 
costs.  Does anyone who's been down the path have a list of sources for 
balancing and an idea of the cost involved?  I assume that when the assembly 
gets sent out it includes the rotors, e-shaft, & both counterweights... what 
about the flywheel?  Is that (or should it be) included in the stuff provided 
for the dynamic balance?  Am I missing anything?

   <Marv>