I crawled underneath our 2023 337 RLS which has Curt ABS axles. Notches on rear edge must be used to determine speed of each tire
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Jay HHI6818
If you tow on icy roads, trailer ABS is a good thing. See the LCI (now owns Curt) videos. There are mitigation strategies for those of us who don’t have trailer ABS. Basically dial back the trailer brake gain and drive really cautiously. Trailer ABS is only available with electric drum brakes. I would much rather have EoH trailer disc brakes for the 99% of the time that you need maximum trailer braking.
Rob
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Wife and I looked at a 2023 Reflection 337RLS had Curt axels /ABS for $850 charge
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I guess that would depend on the system. Could be a multi function light. Steady on means active, flashing means fault. As a flashing light is more likely to draw attention than a steady.
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It was a 50/50 guess whether it was an activation or a fault.
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Originally posted by familytruckster4 View PostInteresting point on how an error would be reported. I know that some of the big 53ft van trailers will have an amber ABS light at the rear, I suspect that light illuminates if there is a system error. If anyone notices an out of place marker light on these trailers I would guess thats your signal.
Rob
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Interesting point on how an error would be reported. I know that some of the big 53ft van trailers will have an amber ABS light at the rear, I suspect that light illuminates if there is a system error. If anyone notices an out of place marker light on these trailers I would guess thats your signal.
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Originally posted by Jlawles2 View PostGuest Jim, thanks for the picture. Now when someone pulls one apart, can they confirm it the black ring on the inside of the pilot bore in the hub is steel or plastic. it almost looks like a plastic insulator to impede the sensor reading. However that makes no sense as those sensors are not powerful enough to read from that distance in my experience.
The target ring would have to be ferrous metal (or magnets used) for hall effect, where most likely the black coating is to protect from corrosion. And the sensor would need to be mounted in close proximity to operate. Another approach is to use a non ferrous target wheel where the sensor is windowing the drum. An optical sensor would be expensive where they would be cost conscious, but anything is possible.
Now what would happen to the system when the ring becomes coated in grease?
I suspect the controller would have some way of notifying the driver (maybe through an LED) to report diagnostics and the system would be disabled to work as a standard braking system.
JimLast edited by Guest; 09-16-2022, 07:38 AM.
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Originally posted by MidwestCamper View PostHere is a drum for use with ABS. The target ring is on the inside so the sensor can be protected from the elements. The ribs on the outside of the drum are to increase surface area for cooling.
https://www.etrailer.com/Accessories...le/9-44-3.html
Jim
Rob
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Guest Jim, thanks for the picture. Now when someone pulls one apart, can they confirm it the black ring on the inside of the pilot bore in the hub is steel or plastic. it almost looks like a plastic insulator to impede the sensor reading. However that makes no sense as those sensors are not powerful enough to read from that distance in my experience.
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Here is a drum for use with ABS. The target ring is on the inside so the sensor can be protected from the elements. The ribs on the outside of the drum are to increase surface area for cooling.
https://www.etrailer.com/Accessories...le/9-44-3.html
Jim
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Originally posted by Jlawles2 View PostWho would have thought that they would use the ribs on the outside of the drum? I know those ribs have been there since the early 80's (before that it's a bit fuzzy).
I would have guessed they put a tone ring on the inside of the drum or on the rim for protection. I'd be afraid if it were using those ribs that it would be exposed to the rim and could get damaged more easily.
Rob
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Who would have thought that they would use the ribs on the outside of the drum? I know those ribs have been there since the early 80's (before that it's a bit fuzzy).
I would have guessed they put a tone ring on the inside of the drum or on the rim for protection. I'd be afraid if it were using those ribs that it would be exposed to the rim and could get damaged more easily.
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Originally posted by familytruckster4 View PostWe had a bunch of trucks at work in the early 2000's that used a rudimentary WABCO system with magnetic sensors. They required a lot of attention since the friction material that the pads shed would cover them and caused them to cease signaling. It didnt help that the pads wore down so quick from the abuse they were subjected to.
Jim
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