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
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