[Fot] Source needed for single-flare brake lines

[N197TR4 at cs.com]

I wonder, after hearing all of this, that Bundy Weld Tubing with Double End 
Flares are best left to Production Tooling.

We produced millions of those double flares at Deere & Company with great 
success, but I had trouble doing ONE in my garage.


> OK all, I have this here crow in my hand & I'm fixing to bite his head  of 
> iff'n I have to...
> 
> Reference DOT FAA "Aircraft Inspection & Repair", calls out double  flare 37 
> degree on soft material, single flare on hard.
> Carroll Smith takes it a step further on page #207 in "screw to win" &  
> places people like me under the "fool" category... (I've been told that 
> before)  & 
> advises NOT to use the AN818/9 to adapt 45 JIC to 37 AN, but this is  
> referring to a SINGLE flare end. I would suggest that the double flare, due 
> to  the 
> extra thickness, likely allows more deformation so as to provide a  
> leakproof 
> seal? Also I consider automotive grade bundy tube to be fairly "soft"  until 
> it 
> is work hardened. 
> When I spoke with Pegasus tech today, I was very clear with my question  & 
> the reply was that this is completely acceptable. Those who know me know  
> that I 
> try to do my best & I truly have not had problems using this  method for 
> many 
> years, but I'll admit that just because something works doesn't  necessarily 
> mean that it's "right".
> Does anybody else do this?
> All input is appreciated,
> Glen