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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 02-25-2020
andywojteczko andywojteczko is offline
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Default Brake Shoe Compounds

Looking to improve braking performance. Decrease stopping distance.

Has anyone played with different friction material compounds?
Not concerned about longevity.
Please let me know.
Thank you,
Andy
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  #2  
Old 02-26-2020
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Gene Mehr Gene Mehr is offline
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When I try and shoes and drums I'm at 82 the guy line them with the same liners they use at the school district it would lock up the brakes
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  #3  
Old 02-26-2020
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Try that again, OK?
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  #4  
Old 02-26-2020
ChrisRasman ChrisRasman is offline
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Shoes. S cam, S cam bushings, linkage, brake chambers, it all adds up to how well they stop. I need to work mine over. Brakes work okay, but I do like it when have to stop PDQ that they all most lock up.
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  #5  
Old 02-26-2020
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Gatorgrl Gatorgrl is offline
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We try and leave a good distance between us and the car in front so we DON'T have to bear down on the brakes and risk locking them up...creating flat spots on the tires, etc. We also have a dash cam should the occasional idiot move into the space we created and should get smushed because they are in our safe braking space.
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  #6  
Old 02-26-2020
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Just put on new brake shoes, so I will report on how they stop.. I am sure it’s going to stop better as I had a seal leaking that was not helping the braking.. also the sticking slack adjusters.. I have all new slacks going on..
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  #7  
Old 02-26-2020
Don Meyer Don Meyer is offline
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Andy,
Last year I wrote a post about using Kevlar reinforced brake shoes on my coach. I installed them only on the drive axle at that time. When I bought them the explanation was that Kevlar linings do not heat up as quickly as others may. Getting hot too fast produces a gas that is trapped between the shoe and the drum. Making it harder to stop and forcing more brake pedal pressure, producing more heat and more gas....and so on. Apparently test have been done showing under the same conditions, same weight rig, same speeds, etc, the Kevlar reinforced brakes do a better job. Less stopping distance because less gas build up, less pedal pressure and less heat. Not all supply houses carry the Kevlar shoes.

Since I did only the drive axle, and don't drive fast and have a Jake brake AND trans retarder, I haven't notice any difference in stopping distance.

But the Kevlar is certainly something to think about if doing brakes all around.


We jokingly say I now have bullet proof brake shoes!
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  #8  
Old 02-27-2020
andywojteczko andywojteczko is offline
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The problem as I see it is that we put new shoes on our coaches but do not have any idea what compound is used in these brakes and what the intended application is. Most of the shoes are intended for severe duty and to extend shoe and drum life and not brake performance. There are many different compounds available that are better suited for our coach applications. I will contact manufacturers of brake shoes and get recommendations.
Thank your for your replies.
Andy
Attached Files
File Type: pdf bendixbrakeliningsoemcertifiedstoppingpower.pdf (376.6 KB, 15 views)
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  #9  
Old 02-27-2020
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Lol I just red my post, ***. Thanks for the laugh Mike Had
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