Mailing List flyrotary@lancaironline.net Message #1595
From: Mike Wills <willsm@spawar.navy.mil>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [FlyRotary] Re: 321 SS thickness
Date: Mon, 12 May 2003 18:54:32 -0400
To: <flyrotary>
Tommy,

 I think you are saying that you have welded your 2 exhaust primaries into a "Y" collector? Just want to be sure that you have slip couplings, flex tubing, or some other means of allowing the 2 primaries to move relative to one another. As opposed to a header that is rigidly welded together from exhaust flange to collector. There was a recent crash discussed on the "other" list that was caused by a failed exhaust system. The failure was due (at least in part) to the builder not allowing for differential expansion of the 2 primaries.

Mike Wills

At 08:29 AM 5/11/2003 -0400, you wrote:

Posted for "Tommy James" <twjames@healed.org>:

Hi Guys,  (I'm back after a couple of weeks of business)
I had mine two ss pipe headers welded to a 'Y' collector and the whole thing
was sent off to Jet Hot for a super 2000 degree coating, inside and out,
cost $175us and is doing great.
Regards,
Tommy James<><

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