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brake .....bh ch

12/21/2008 5:34 AM

what is correct, using drum brakes or disc brakes in the very rough track of dust?

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#1

Re: brake .....bh ch

12/21/2008 9:41 AM

Both drum and disk suffer from slipping from dust and water, but disk recover faster and are better brakes.

If both on road and off road vehicle, be sure if ABS there is a way to turn ABS off when off road. Also be sure full brakes with ABS off, some systems fail to half brakes. Nothing but trouble off road.

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#2

Re: brake .....bh ch

12/21/2008 12:10 PM

It is hard to make a recommendation based on the information provided, the weight of the vehicle and the load carried will have to be considered.

In my field, off road vehicles for consumers, custom built expedition Land Rovers for example, disc brakes are always my first choice.

I make this decision based on several factors;

Disc brakes cool faster than drum brakes and are less prone to brake fade.

Disc brakes are self cleaning and because of this wear better.

Disc brakes are easier to inspect for wear.

Disc brakes are easier to maintain in the field should the requirement emerge, yes I carry spare pads in my spare parts container.

hope this helps.

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#3

Re: brake .....bh ch

12/21/2008 2:30 PM

Disk brakes are just better.

Disks were invented in 1901 by Frederick William Lanchester, in England.

Drums were invented in 1902 by Louis Renault.

I don't know how they stopped things before that.

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#4

Re: brake .....bh ch

12/21/2008 7:02 PM

Disc brakes have exposed parts for the dust to get into, but as far as I was aware drum breaks also suffer from the same problem (and others). There was a group developing a sealed oil-filled drum brake years ago (because of performance loss in wet conditions), but I think that was because ABS had yet to be invented.

My vote is to stick with disc brakes like the rest of us unless it's a really special application.

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#5

Re: brake .....bh ch

12/22/2008 12:45 PM

Drum and disc brakes will heat up as hard usage increases. If a drum heats and expands, it will move the drum further from the friction surface. If a disc is heated, it will move the friction surface closes. Which do you want when you have pushed that vehicle too hard? Dust and dirt is about even in each. How hard are you pushing this thing? What is on the vehicle now?

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