REFLECTOR: Aileron torque tube bearing

[jewen at comporium.net]

Al,

Was the failure on the starboard or the port?  If the starboard, any chance it is being influenced by heat from the exhaust?

Joe



---- Original message ----
>Date: Tue, 3 Jun 2008 07:35:49 -0800
>From: "Al Gietzen" <ALVentures at cox.net>  
>Subject: REFLECTOR: Aileron torque tube bearing  
>To: "reflector" <reflector at tvbf.org>
>
>   I find that one of the aileron torque tube bearings
>   at the bellcrank in the engine compartment has
>   failed. It now has about 1/16" play, and slack in
>   the controls is not a good thing. This seems a bit
>   peculiar to me as the normal motion is slow and
>   limited, and the normal loads minimal.  
>
>    
>
>   Is this a unique occurrence, or have others had this
>   happen?  The underlying question is vibrational
>   loads; lateral or torsional, that may have some
>   resonance - like in that 4-5 ft length of
>   unsupported torque tube.
>
>    
>
>   Al
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