brake line curl

They curl to absorb vibration. If you have rubber body mounts and the brake lines are attached to the frame there will be a slight movement of the frame while the master stays put.

 

That is correct, the lines make a loop to absorb movement and vibration.

Here is the last one I did. I usually wrap the tube around a piece of pipe to get the loop.

At the body to frame juncture.

Later, mikey

 

Thats good to know. I just replaced the master cylinder on a 74 dodge power wagon. It was a lot easier then I thought it would be. The brake line looping was one thing I couldn't figure out though.

 

I thought they were there to prevent vapor lock...



:evil: -MESSIN WITH SASQUATCH- :evil:

 

I thought they were there to prevent vapor lock...



:evil: -MESSIN WITH SASQUATCH- :evil:

You bored this morning Gary?


That guy on the receiving end of that "vapor stream" ain: would have benefited immensely from a little loop in that tube.

Mikey

 

I get a big kick out of those and the CAVEMAN series.

Did I tell you my wife did the stand-ins for SASQUATCH? ain:

 

I get a big kick out of those and the CAVEMAN series.

Did I tell you my wife did the stand-ins for SASQUATCH? ain:

I'll bet you get alot of hair in your dinners.. Or does she wear a full body hair net?

and there is got to be nothing more seductive than to hear her say..." Honey can you rake my back?"

She sounds HOT!

Now back on topic...even a caveman can put a nice vibration loop in a brake line.

hahahahaha

mikey

 

They curl to absorb vibration. If you have rubber body mounts and the brake lines are attached to the frame there will be a slight movement of the frame while the master stays put.

I'm not sure that's the reason (or at least, not the only reason). On GM A-body cars, the lines on cars with power brakes got the loops, but the manual brake cars just had straight lines. I've always assumed that this was to provide a little "give" so you could change the power booster without disconnecting the brake lines from the master cylinder.

 

They did it for that too. but vibration was the primary reason.

 

I always thought it was to help cool the brake fluid. Brian

 

I always thought it was so the fluid could do a loop-d-loop..........That makes it happy................so it won't try to escape through a hole in the line...............

 

Very nice job on those "curls" Mike.Really adds detail. :thumbup:
I like to use the lines with coil spring, find they help me to fine tune my curls n bends(also protect the line) ,then take them off,scuff with Scotch pad then clearcoat them.Kinda keeps the lines from discoloring.

 

Brake lines

im just curiouse as to why the break lines curl coming out of the master cylinder i have to run new break lines tomorow and needed to know if the spiral is relavant

They curl to keep an equal distance from the master cylinder to each wheel in the circuit . Lets just talk about the front brakes for now . Because it the same for the rear . Anyway the drivers side is closer then the passengers side . So the front left would come on just a bit sooner then the front right . But by making the line longer on one side the distance is now the same . Or balanced . Get it ? If it was just for body flex they could use rubber . Think about it if you kept flexing that line it would fatigue and brake . Dose the fluid get a benefit of cooling well yes .

 

And you think Mr Obama is clueless..........

The correct answer is in post #2.....of this 5 year old thread........ :smash:

 

pressure will be the same from side to side on the front or rear regardless of length. Pressure is not affected by the distance of the line, or difference in length of lines.
distance does not change the volume of fluid required to transfer kinetic energy either, it only requires a larger volume of fluid to fill it.
Loops are for absorbing the vibration and giving the hard metal line enough room to flex without breaking, it has nothing to do with brake balance or cooling.
The loops in the picture are rendered less effective as the are fastened down next to the master on the firewall, there is no flexing going on here, but the technician who posted it was absolutley correct in what he said. Also he does really nice work as is evident by the photos.

 

I always thought it was so the fluid could do a loop-d-loop..........That makes it happy................so it won't try to escape through a hole in the line...............

That is five years old and it is STILL damn funny.



Brian

 

They curl to keep an equal distance from the master cylinder to each wheel in the circuit . Lets just talk about the front brakes for now . Because it the same for the rear . Anyway the drivers side is closer then the passengers side . So the front left would come on just a bit sooner then the front right . But by making the line longer on one side the distance is now the same . Or balanced . Get it ? If it was just for body flex they could use rubber . Think about it if you kept flexing that line it would fatigue and brake . Dose the fluid get a benefit of cooling well yes .

And that is almost as funny.
And by the way, I can see why someone would believe such a thing (making them equal length) but after reading the thread if you STILL believe that, I just don't know what to say.


Brian

 

pressure will be the same from side to side on the front or rear regardless of length. Pressure is not affected by the distance of the line, or difference in length of lines.
distance does not change the volume of fluid required to transfer kinetic energy either, it only requires a larger volume of fluid to fill it.
Loops are for absorbing the vibration and giving the hard metal line enough room to flex without breaking, it has nothing to do with brake balance or cooling.
The loops in the picture are rendered less effective as the are fastened down next to the master on the firewall, there is no flexing going on here, but the technician who posted it was absolutley correct in what he said. Also he does really nice work as is evident by the photos.

That was Mikey out of Gilroy California. I had the good pleasure of stopping by his shop once, he is a SUPER talented guy with three brains worth of information and knowledge to do with building cars. I sure miss seeing him here. He got a job with an up and coming Electric car company in their R&D department and he keeps so busy there he has no time for the little people.

Brian

 

you are all wrong

This was Fords idea for the assmbly line in detroit to support the master cylinder for the next guy to add his parts. I know because my son in law worked for Ford

 

This was Fords idea for the assmbly line in detroit to support the master cylinder for the next guy to add his parts. I know because my son in law worked for Ford

It may have accomplished that, but the coils are for vibration control.

Brian

 

It may have accomplished that, but the coils are for vibration control.

Brian

no
it's for the loop de loop.
it is a well known fact among the scientifical community that brake fluid digs loop de loops.

 

I don't need to be right but...

I'm not sure but I was told by my dad , it added "feel" to the pedal ,or more touch control to power assisted units, to prevent lock ups. Which is unnecessary with today's anti lock brake systems. and I don't see them anymore for some reason .

 

Original designed

like a coil spring to support the Master cylinder for the next guy in the assembly line this was done in late 1960s by Ford if vibration is limited all well and good but that was not the principle reason for the coils I worked in a ford garage back then and I know what it was for from my son in law and Ford reps

 

Well I am confused as hell here. The lines would go on the master cyl last so just what would they be for? I am trying to wrap my head around this and I can't but it's been a long day.

Under what circumstances would you put the lines on the master cyl before the master cyl was bolted to the booster or firewall? I have never worked on an assembly line but I just can't grasp this. If the master cyl went on first then the lines there would be no reason for these coils to "support" anything and if the lines were in first and then the master cyl was installed, again no reason to "support" anything, explain to this old guy would you please?

Brian

 

I'm not sure but I was told by my dad , it added "feel" to the pedal ,or more touch control to power assisted units, to prevent lock ups. Which is unnecessary with today's anti lock brake systems. and I don't see them anymore for some reason .

In a word nope, sorry, no cigar. But my dad told me to "pump" the bat before you swung at the ball. Bless his heart RIP.

Brian