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Date: Wed, 29 Jun 2005 21:07:28 -0500
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Subject: Machining help needed
From: Jerry Hey <jerryhey@earthlink.net>
To: Fly Rotary aircraft <flyrotary@lancaironline.net>
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I need to find someone to finish the bores on my injector bosses or 
tell me how to do it.   Final i.d.should be .540 to .545 in.    The 
bosses are .45 in high and are bored and reamed to .5312.  Material is 
6061.   I tried using a boring bar but could not maintain the 
tolerances.  I bought adjustable hand reamers but they were not the 
right tool for the job.  I considered trying to sand the bore to the 
correct size using a flapper but have not tried it  yet.  Suggestions?  
Volunteers?     Jerry