Mailing List lml@lancaironline.net Message #12121
From: Bill & Sue <harrelson@erols.com>
Subject: High speed vibration in a 360
Date: Thu, 31 Jan 2002 12:55:30 -0500
To: <lancair.list@olsusa.com>
Cc: <edechazal@home.com>
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Have any of you with 360s encountered this?  How far into the yellow arc
have
you guys flown?

Hi Ed, just as a point of comparison,  I've explored the envelope of our 320
(small tail) right up to the red line with no vibration or other adverse
characteristics present.  Could it be a gear door being pulled open just a
little by the high speed air flow? If so maybe the air in the gear cavity
resonates at a low freq kinda like blowing over the top of a coke bottle.
Just a guess.

Bill
harrelson@erols.com
N5ZQ


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