REFLECTOR: Aluminum Fittings

[Scott Derrick]

Yeah, I guess that's why they don't use aluminum to make airplanes. :-) 

Laurence Coen <lwcoen at hotmail.com> wrote:

>
>Aluminum  will experience fatigue If it flexes even a tiny amount where as 
>steel has to be flexed to the point of deformation  before it starts to 
>fatigue.  Aluminum won't fail right away but it has a definite life span and 
>if left in service long enough it WILL fail.
>
>Larry Coen
>N136LC
>
>From: "Brian Michalk" <michalk at awpi.com>
>Sent: Thursday, April 18, 2013 9:15 PM
>To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>Subject: REFLECTOR: Aluminum Fittings
>
>> I have two aluminum fittings on the turbo that I had to order steel 
>> replacements for.  I haven't swapped them out yet, but will do that this 
>> weekend.
>>
>> I'm trying to find the information on why we do this.  I've been told to 
>> not use AL fittings on the engine, but I don't know why, and can't find 
>> the reference.
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