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Old 11-24-2010, 07:23 AM
jersey jersey is offline
 
Join Date: May 2010
Location: Wharton, Texas
Posts: 122
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John I think your right about the lock washers not performing. I noticed that the engine mounting bracket arm was flexing slightly when I was aligning the bolts. Although they firmed up when I tightened the bolts to the engine it would seem that they shouldn't rely solely on the engine case for rigidity. This is a high speed, high compression engine. It seems to me that a significant amount of energy retention would be concentrating where the brackets clamp to the engine. I'm probably over-analyzing. Hopefully Vans engineers will get back to us soon. In the meantime I will continue to inspect the bolts and enjoy the plane.

Gary
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