[Diy_efi] (off topic) Disk pad wear reduction with hydraulic reverse valve ?

[Ron Schroeder]

How about drum brakes?

Another possibility would be to cut a taper in the piston groove for the
seal so it flexes more and retracts more with removal of hydraulic pressure.
Make the fluid side of the groove 75 degrees instead of 90 degrees?

Ron Schroeder
WD8CDH
day 631 344-4561
nite 631 286-5677


----- Original Message -----
From: "Mike" <erazmus at iinet.net.au>
To: <diy_efi at diy-efi.org>
Sent: Friday, December 06, 2002 1:49 PM
Subject: Re: [Diy_efi] (off topic) Disk pad wear reduction with hydraulic
reverse valve ?


> mmm, I'm not wanting a 'huge' pedal travel and not sure why you
> automatically think thats what I want...
>
> I'm wondering if there is some valve arangement that would only
> draw back enough to give say 0.5mm pad-disc clearance - obviously
> dont want it to go any further for time/safety reasons etc
>
> Some time next year (winter in Aust) I want to drive across nullabor
> (about 3000 km) after some major engine mods for an economy run/test
> and in preparation wondering if its feasible to add something to
> *ensure* disc-pad drag is at a minimum during that long trip,
>
> I suppose I could do it electronically with a vacumm surge tank,
> solenoid interlock etc
> ie Off a pedal at top switch etc. But I'm wondering if there is
> a more elegant solution ?
>
> Rgds
>
> mike

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