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Subject:Re: great brake line flare information here
From:Thor Svenson
Date:Tue, 25 Dec 2007 11:26:41 -0500

gee mike, it's christmas...chill out a little. everyone can't be right
at the same time. i find the whole discussion rather tiring. looks like
the man can drive right over to a parts house and get the pipes he needs
and won't need to worry ab. making flares.

Mike S wrote:
> None of which changes the fact that the reference you provided was
> simply WRONG, and unsafely wrong. An ISO 4038/DIN 74234 "bubble" flare
> is nothing like a half completed SAE J5336 45 degree double lap flare.
> Here is a somewhat authoritative document (it's from a brake line
> importer) showing different flares -
> http://www.fedhillusa.com/webnuts/common%20flares6.pdf
>
> Who knows what angle is created by any particular SAE flaring tool on
> the "half completed" part of the flare? DIN/ISO specs call for a 115
> degree angle, with a 1 degree tolerance. There is no specification for
> a "half completed" SAE flare, so even if one guy got it to work for his
> purposes using the particular tool he had, there can be no guarantee
> that any other tool would produce similar results, and certainly no
> guarantee that any flare done that way would seal properly under full
> working pressure. I certainly wouldn't drive a race car built by
> someone who used that method.
>
> (Oh, and if you want your grammar freedom to not properly quote and
> attribute information, then you must take full credit/responsibility
> for whatever you write)
>
>