Today's Message Index:
----------------------
 
     1. 04:31 PM - Re: Shimmy vibration? (stephen.hayne)
     2. 07:14 PM - CJ project (Richard Kelley)
 
 
 

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Time: 
04:31:55 PM PST US
Subject: 
Re: Shimmy vibration?
From: 
"stephen.hayne" <stephen.hayne@gmail.com>
      
      
      This is probably too late, but I was experiencing shimmy at 60+ knots, that I just
      couldn't seem to fix.  Balanced tire, rebuilt dampener, rebuilt strut, rebuilt
      torque links (with new brass bushings - reamed to perfect tolerance) and
      fore/aft movement non-existent.  There was just a TINY click in the links at the
      lower attach point... 
      
      So, I bought some 0.001 M8 ring shims from McMasters (https://www.mcmaster.com/stainless-steel-shim-washers/ring-shims-7/) - jammed 2 in the bottom, and managed to get 1 in the top (very tight!), and voila - shimmy sorted!  Yay!
      
      BTW, I am/was also exploring using the "Balance Masters" Cleveland wheel balance ring (http://www.balancemasters.com/aircraft.html) - not the prop stuff.  I will report back when/if I actually install it.  FYI - the owner of Balance Masters is a pilot and a great guy to talk to!
      
      Stephen
      
      --------
      -
      Stephen Hayne, Professor, CIS, Colorado State University
      666CJA 
       http://selfsynchronize.com/hayne/plane/cj6.asp
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=498292#498292
      
      
      Attachments: 
      
      http://forums.matronics.com//files/balance_masters_aircraft_199.jpg
      
      

Message 2


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Time: 
07:14:33 PM PST US
From: 
Richard Kelley <rickkelleyfly@gmail.com>
Subject: 
CJ project
      
      
      Complete CJ6 project. Striped ready for reassembly. 
      210-787-0327
      Rick
      
      Sent from my iPhone
      
      








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