[Mini] Fwd: Brake Flaring Tools

[Brett Nicholson]

Hi,

In Australia, copper brake pipes are illegal.  Kunifer are not.  Straight
copper has a tendency to shatter on rough roads.

Cheers,
Brett Nicholson (bnicho)
Greendale, Victoria, Australia.


On Mon, Jul 6, 2020 at 10:56 PM T VS <tkmvs at hotmail.com> wrote:

> I use brass unions on everything now. Does save the union and pipe
> becoming one!
>
> On 6 Jul 2020, at 1:22 pm, Dr John C Bullas <john.bullas at gmail.com> wrote:
>
> 
>
> ---------- Forwarded message ---------
> From: Lock Horsburgh <lock at lomondhills.plus.com>
> Date: Mon, Jul 6, 2020, 12:40 PM
> Subject: Brake Flaring Tools
> To: john.bullas at gmail.com <john.bullas at gmail.com>
>
>
> Hi John,
>
> I am unable to post to or login to the Yahoo group, but I still see your
> emails.
>
> I use, and am delighted with, this tool
> https://www.amazon.co.uk/Professional-Brake-Burning-situ-16-SAE/dp/B01M4RC2YW/ref=sr_1_1?dchild=1&keywords=brake&m=A10QL4DLSICX54&qid=1594028307&s=merchant-items&sr=1-1
>
>
> This was recommended by my MOT man.
> It is the best tool I have used, much better IMHO that the kit with the
> sold as laser and several other brands, it handles single and double flares
> on copper, kunifer and steel pipes. The only one I have used that works on
> steel pipe. Works for imperial and metric unions.
>
> It's reliable, but take care not to cross-thread the spacer (the short
> bolt) or the punch in the two halves of the block, when setting up.
>
> Note that the version sold for DIN flares just does male/single flares,
> not double/female flares - and the Suzuki I am working on has mostly male
> flares, but female flares with 10mm unions to the brake hoses..
>
> It's the only one I have had that could flare steel pipes properly, so on
> a modern car (e.g. 20 year old micra, fiesta, ka) where most of the pipe
> under the floor is covered in plastic, but the last bit under the is bare
> metal and rots,  you can cut the pipe,   clean the plastic and the paint
> off for a couple of inches, flare the end, and add a short length to
> connect to the brake hose without having to take taking the tank off and
> struggling to fit pipes through the engine compartment.
>
>
> Pipe - These days I use copper pipe, which is readily available and the
> easiest to work with - it's easy to bend to shape under the car. I have
> bought it from local factor, from amazon, and from Halfords and
> Eurocarparts, no problem with any of the suppliers.
> 20-30 years ago I used kunifer - copper nickel alloy - which is much
> easier to bend and flare than steel pipe, not as soft as copper.
> Copper-nickel is used by some upmarket car manufacturers rather than steel.
> 0
>
> You can get kunifer on amazon, but factors don't stock it nowadays, the
> trade seems to use copper.
>
> Copper and kunifer pipes don't rust.
>
> A disadvantage of copper that I have experienced is that if you need to
> disconnect the pipe after a couple of years, e.g.  to change a wheel
> cylinder, you may find that the union has a tight grip on the pipe, and
> starts to twist the pipe when you undo it. You might have to replace the
> pipe, or part of it. But hey, you have the technology for that. A bit of
> grease between the pipe and union when fitting may help, kunifer is less
> prone to that problem. I have seen ads for copper pipe and brass unions for
> classic cars; dunno if that is for practical or cosmetic reasons.
>
> HTH
>
> Lock
>
>
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