[Fot] Brake line question

[Bill Babcock]

I think you should, its a worthwhile experiment. I think that, like many
things, its easier to make up a compression fitting incorrectly. If you dont
get proper deformation of the tubing then it doesnt stay together. If you
over tighten it then you carck the threads or the retaining shoulder. You can
screw up a flare too, but its more obvious.
On Jan 22, 2014, at 10:17 AM, Randall <tr3driver at ca.rr.com> wrote:

> ---- robertten1 at aol.com wrote:
>> Compression fitting(s) in this application will not hold under the
pressure
>> generated in any hydraulic brake system.
>
> Just to play devil's advocate for a moment, I see compression fittings rated
to 6700 psi in the MMC catalog (higher if you use high pressure tubing to go
with them).
>
> What braking system can generate that kind of pressure?  According to
Nelson, it takes 80 lbf on the pedal to generate 380 psi, so 800 lbf would
only be 3800 psi.  Whose right leg is that strong (even if the seat doesn't
break)?
>
> Not that I'm going to try it myself, of course <g>
>
> Randall
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