<VV> Double Flare

Ron ronh at owt.com
Thu Nov 4 01:37:22 EDT 2010

Seems to me that you should always adjust these tubing sections so that they 
fit and seat without any stress at all on the tubing.  Take your time and 
fit them correctly BEFORE screwing the nuts on.

----- Original Message ----- 
From: "Smitty" <vairologist at cox.net>
To: <virtualvairs at corvair.org>
Sent: Wednesday, November 03, 2010 7:06 PM
Subject: <VV> Double Flare

>> From: Frank Ness <aircoolvair at yahoo.com>
> > Smitty reminded me about a question I had wanted to ask. When is a 
> > double
> flare
>> needed in the fuel line service? You should not see a much pressure.
> =========================
> Frank it isn't the pressure involved .  It is the conformability of a 
> double
> flare that allows it to seat and compress at an angle if necessary.  (Tube
> not lined up with the cone in the fitting).  They also seat better on a
> damaged cone..  There are some who claim that there is less fatigue at the
> flare juncture with the tube with a double flare.  May be true.  No 
> argument
> from me.  All I want to do is get home, as I have several times with fuel
> lines, and once with a brake line.           Smitty
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