UK & Ireland S2000 Community Discussions related to the S2000, its ownership and enthusiasm for it in the UK and Ireland. Including FAQs, and technical questions.

Hydraulic handbrake

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Old Nov 12, 2009 | 11:23 AM
  #1  
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Default Hydraulic handbrake

Have you always wanted one as well ?

I was wondering if anyone has fitted one (maybe not to a s2000 but anything)

I always used to see hydraulic kits with fly off handbrakes advertised in CCC mag!

they look very well priced nowadays-


http://www.demon-tweeks.co.uk/products/Pro...RT&pcode=RIX275

http://www.ksportusa.com/asp/hydraulic.asp

http://www.driftworks.com/catalog/products...or-upright.html

He he he
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Old Nov 12, 2009 | 11:32 AM
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Why?

It does the same thing, but with the added benefit of failing the MOT every year.
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Old Nov 12, 2009 | 11:41 AM
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No hanbrake cables is one thing, it might be a bit stupid but ive always loved a car with a super sharp handbrake!

Why does it fail mots?
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Old Nov 12, 2009 | 12:06 PM
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we used to use them on our race cars for no other reason than to junk all the other bits of equipment that went in to make cable work, if my memory is correct we used to use a small master cylinder connected to the hand brake and route the back brake line through it
i would not recomend it for a road car, i think the regs required we had a hand brake and this was the lightest least fuss way of doing it
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Old Nov 12, 2009 | 12:06 PM
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Because it's not an INDEPENDENT brake system.

Why do you think the septics call it a handbrake an "emergency brake?"
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Old Nov 12, 2009 | 12:30 PM
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On most of the road rally cars I have seen, the cable system is still in place, just that it is set slack so that it won't come in unless the hydraulic fails.
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Old Nov 12, 2009 | 01:00 PM
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We used a hydraulic handbrake on the rally cars, using the lever to operate a small master cylinder to power the rear brakes, because it was a"fly off" type the lever and mounting bracket had a hole drilled through them to allow installation of a split pin to "put" the handbrake on so the car could be mot'd *as it required to work as a parking brake.

* Not sure if it was an mot requirement or to pass scrutineering.?
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Old Nov 13, 2009 | 02:06 AM
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As above -

Legally you have to have an independent brake system. I'm not sure if this has to be cable operated, or just isolated from the "normal" brakes.

I suspect regs will say this has to be cable op.

Interestingly, the new Discovery 4 has a little button on the centre console that you push to put the 'handbrake' on. To switch it off, you have to either hold the foot brake for 3 seconds, or touch the accelerator.

I couldn't tell you if this was hydraulic or cable, but I'd be surprised if such a system used a cable. It coudl of course be a solenoid of some sort in the rear calipers.
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Old Nov 13, 2009 | 02:15 AM
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Use the hydraulics to operate the cable.... its what we do on the road rally cars to pass the MOT.
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Old Nov 13, 2009 | 02:28 AM
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Originally Posted by martin j,Nov 12 2009, 10:00 PM
We used a hydraulic handbrake on the rally cars, using the lever to operate a small master cylinder to power the rear brakes, because it was a"fly off" type the lever and mounting bracket had a hole drilled through them to allow installation of a split pin to "put" the handbrake on so the car could be mot'd *as it required to work as a parking brake.

* Not sure if it was an mot requirement or to pass scrutineering.?
My mates Skoda Felicia Rally car (that I navigate in) has an hydraulic fly-off handbrake and a cable operated system so that it can pass the MOT.

As stated above for construction and use regs, I believe, you must have an independent machanism for operating the braking system for the handbrake; therefore, it is likely to be something they'd pick up on in scrutineering, if they were looking for that sort of thing...

It is much more effective, stands more punishment and is more consistent than a cable system; however, you would use it on the loose and maybe wet tarmac - in 99% of situations you would not typically use it on dry tarmac unless at a very tight hairpin.

So for a (road) rally car I can understand it, for a pure race car I'm not sure that it is a requirement (and you'd be looking to remove it and save weight if it weren't), I guess you might use it for drifting. I can't imagine a sensible use for an hydraulic handbrake on a pure road car
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