Hydraulic handbrake?

[brakedust]

Has anyone looked into a Hyd handbrake? Seeing as the normal one is normally a bit on the pore side!

[scotty_d]

Like a line lock?

[jammy_basturd]

Would be more trouble than it's worth I would have thought. Unless you wanted to knock up a set off additional mounting brackets and use the Wilwood Spot Caliper (http://www.rallydesign.co.uk/product_info.php?cPath=562_588&products_id=15214&osCsid=a4ft9d59n1nqtkq405cimei3e4) though I'm not sure this would fit, aren't our discs 30mm wide?

The standard handbrake is actually OK if properly adjusted.

[tejr]

If I'm not mistaken, they won't pass an MOT. Though the cable driven one probably barely does anyway

[dean_ratpac]

jammy_basturd said:

Would be more trouble than it's worth I would have thought. Unless you wanted to knock up a set off additional mounting brackets and use the Wilwood Spot Caliper (http://www.rallydesign.co.uk/product_info.php?cPath=562_588&products_id=15214&osCsid=a4ft9d59n1nqtkq405cimei3e4) though I'm not sure this would fit, aren't our discs 30mm wide?

The standard handbrake is actually OK if properly adjusted.

Try parking a Cerbera on the streets of San Francisco. Then you see if its OK. I've look at various options. I can have a word with my brother who races a drift car, his hydraulic handbrake is crazy! Although i believe they do not pass on the MOT!

[scotty_d]

For MOT the car has to have 2 systems for a hand brake. ie if a brake line were to burst you need a mechanical back up.

[jammy_basturd]

scotty_d said:

For MOT the car has to have 2 systems for a hand brake. ie if a brake line were to burst you need a mechanical back up.

I'm pretty sure the handbrake just needs to operate independently of the main braking system. So if you wanted to change to a hydraulic handbrake it would need its own hydraulics.

As standard, the cable operated handbrake doesn't have any sort of back up.

[scotty_d]

jammy_basturd said:

I'm pretty sure the handbrake just needs to operate independently of the main braking system. So if you wanted to change to a hydraulic handbrake it would need its own hydraulics.

As standard, the cable operated handbrake doesn't have any sort of back up.

Yes sorry read my message back and it made no sence what you said is what i ment.

[Ireland]

I looked into it ages ago.

Not road legal.



I gave up at that stage.

[brakedust]

Ireland said:

I looked into it ages ago.

Not road legal.



I gave up at that stage.

Is it not legal to have a hyd handbrake of any type? Im thought some road legal hill climb cars have them?

[jagracer]

jammy_basturd said:

scotty_d said:

For MOT the car has to have 2 systems for a hand brake. ie if a brake line were to burst you need a mechanical back up.

I'm pretty sure the handbrake just needs to operate independently of the main braking system. So if you wanted to change to a hydraulic handbrake it would need its own hydraulics.

As standard, the cable operated handbrake doesn't have any sort of back up.

Any car post 1968 has to have a mechanical means of holding the parking brake on.

[jammy_basturd]

You can still achieve that will the Wilwood Spot caliper I linked to in my first post. With a caliper like that with its own hydraulic system should be road legal. As I say though, seems like it'd be more trouble than its worth.

[jagracer]

jammy_basturd said:

You can still achieve that will the Wilwood Spot caliper I linked to in my first post. With a caliper like that with its own hydraulic system should be road legal. As I say though, seems like it'd be more trouble than its worth.

No, it has to have a mechanical locking device even if it's a separate calliper.

[brakedust]

How do cars get around it that have no drum brakes at the rear?

[tvrgit]

brakedust said:

How do cars get around it that have no drum brakes at the rear?

They have a (mechanical) cable that pushes the piston against the pads, onto the disk. Same pads, same disc, same piston, but it's all operated mechanically through the lever and cable. Meets requirements of MOT.

Any system that relies on fluid pressure doesn't meet MOT requirements.

[scotty_d]

brakedust said:

How do cars get around it that have no drum brakes at the rear?

As above that is what the Chims/griffs use and all the fords the brakes were nicked from in the first place too.

[Brummmie]

Mate of mine had one on his 6R4, he parked it at the pub, when he came out he thought it had been nicked...

However, it was half way up a tree, as the brakes cooled, everything shrank a little bit and off she sailed!

[scotty_d]

Brummmie said:

Mate of mine had one on his 6R4, he parked it at the pub, when he came out he thought it had been nicked...

However, it was half way up a tree, as the brakes cooled, everything shrank a little bit and off she sailed!

Ouch, thats why i allways leave my cars in gear when parked.

[jammy_basturd]

jagracer said:

jammy_basturd said:

You can still achieve that will the Wilwood Spot caliper I linked to in my first post. With a caliper like that with its own hydraulic system should be road legal. As I say though, seems like it'd be more trouble than its worth.

No, it has to have a mechanical locking device even if it's a separate calliper.

I can only assume you are refering to this sentence in the MOT manual:

MOT Manual said:

2. For vehicles first used on or after 1 January 1968 the parking brake is not capable of being maintained in operation by direct mechanical action only.

Taken from this page: http://www.ukmot.com/3-1.asp#Text_top

Forgive me if I'm wrong (still), but I don't see why a handbrake lever, operating through hydraulics, on a mechanical caliper wouldn't pass this test. I can't see anything in the parking brake criteria that says mechanical can't mean hydraulic or that it automatically means cable?

[fatjon]

"The standard handbrake is actually OK if properly adjusted."

Quite right, it is. Usually for about a week.