Thu, 7 May 1998 07:43:00 +0100
- Message No. 2900
From: "Seaton, Andy"
Subject: RE: Metal Break Lines
Hmm, I see what you're getting at. This is what I mean by what state are
your rubber brake hoses. I have a brand new @ so I doubt whether I'm
going to need braided (metal/steel) hoses for awhile. However, if your @
has a few good hard miles on it then the rubber brake hoses start to
perish internally and also with time lose their ability to maintain
constant braking pressure. Thus, you hit the brakes hard, the master
cylinder pushes all the fluid down the crappy rubber brake hoses under
immense pressure as you have stated, hey presto, no pressure for the
callipers, plenty of pressure for the rubber hoses as they expand
outwards, end result, you break your fingers on the throttle lever as
they become trapped between brake lever and throttle (unless you use all
four fingers of course). This has happened to me during a race, I did'nt
actually break anything, very painful though.
Best regards...
Andy Seaton. X5287.
Systems Support Manager,
E-Mail: Andy.Seaton@gs.com
"The nice thing about egotists is that they don't talk about other
people"
-----Original Message-----
From: ynotfix [SMTP:ynotfix@wgn.net]
Sent: 06 May 1998 5:47
To: Seaton, Andy; 'gmitropoulos@pnc.co.uk';
xrv@normans.isd.uni-stuttgart.de
Subject: Re: (XRV) Metal Break Lines
----------
> From: Seaton, Andy
> To: 'gmitropoulos@pnc.co.uk'; xrv@normans.isd.uni-stuttgart.de
> Subject: RE: (XRV) Metal Break Lines
> Date: Wednesday, May 06, 1998 5:17 A
>
> Hi,
>
> It depends on:
>
> A. The state of your rubber brake hoses
> B. How hard and frequently you brake
> C. The state of your brake fluid
>
> The main advantage with metal (braided) hoses is that when you
have a
> sustained hard braking period the braided hoses won't expand
as the
> brake fluid starts to boil. When this happens you get brake
fade because
> the rubber brake hose starts to heat up and expands thus
lowering the
> pressure in your braking system.
I wonder if the boiling brake fluid makes more pressure than the
2000lbs created by the master cylinder? The hoses expand more
during hard braking than from the heated fluid.
...................
Tony Angco
'96 Triumph Trophy 1200, & '96 Trident 900
Honda '85 XLV750R & '96 Africa Twin XRV750T
'89 Hawk GT650
Ride safe....Ride aware.....Ride FAST!
o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-o-

dipper@normans.isd.uni-stuttgart.de