Mailing List flyrotary@lancaironline.net Message #19546
From: David Staten <Dastaten@earthlink.net>
Subject: Re: [FlyRotary] Re: AN fittings..
Date: Tue, 29 Mar 2005 10:40:47 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Lehanover@aol.com wrote:

In a message dated 3/29/2005 10:14:16 AM Central Standard Time, Dastaten@earthlink.net writes:

<< And what is/was the rationale for not using AL fittings ?
 
Dave >>

Fatigue. Aluminum has a short fatigue life. (SNIP)

Lynn E. Hanover
 

OK... now.. what about for fittings/aluminum lines that appear NOT to be subjected to flex loads but still on the engine. For instance, running from a rigidly mounted PSRU to the engine block..

http://www.rotaryresources.com/modules.php?set_albumName=album04&op=modload&name=gallery&file=index&include=view_album.php

This should be a pic of a rotary with Tracy's PSRU on it, from Bruce's webpage. Can I run AL tubing to AL fittings from an AL block to the AL PSRU or again, should it be steel for safety (or convention's ) sake. I'm really not HUNG UP on AL.. i just dont want to have to buy ANY part more than once...and I'm getting ready to go buy parts.

Dave

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