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Ok guys I can understand the concern with fatigue in a vibrating section, but even a stainless steel braided line will at best have a teflon inner tube. That is good to about 325 degrees. Aluminium melts at what, about 1200-1300 degrees. If you do use aluminium tubing use the soft annealed stuff and use a flare or compression fitting on the ends. How well you finish the install would probably be more important than the material. Bill Jepson Sent via DROID on Verizon Wireless
-----Original message-----
From: Bill Bradburry <bbradburry@bellsouth.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Wed, Feb 2, 2011 02:30:23 GMT+00:00
Subject: [FlyRotary] Re: Al Tubing in fuel line...
Well, unfortunately!! :>)
Bill B
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Patrick
Sent: Tuesday, February 01, 2011 6:32 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Al Tubing in fuel line...
Yeah, I try to avoid rubber fuel lines too. Stainless braid, silicone,
fire-sleeved line; call me picky.
And hopefully your firewall is not plastic...!
Ernest Christley wrote:
> Patrick wrote:
>> Bill,
>> I would suggest taking a propane torch to a piece of scrap aluminum
>> (beer can) and a piece of stainless. It may affect your comfort
>> level about aluminum in the engine compartment.
>>
>> Personally, I would never use aluminum fuel line in front of the
>> firewall.
>>
>> Patrick
> If you're going to do that, you might as well include those rubbery
> pieces of fuel line in the test. And remember, you're telling that to
> a guy who has the engine mounted to a plastic airplane 8*)
>
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