Motion Control units

[gnm]

I was wondering if anyone has used the motion control units for airbags?

Super Steer makes some and also Source Engineering has them.

They help to control the amount of air going into and out of the airbags for a more controlled ride so they claim.

[Ivylog]

The single outlet of the Y will have twice the air volume of either leg letting the restrictor do a better job plus why would you question Source that probably knows more about this than any of us and their recommendation saves you money?

[jtfcons]

gnm wrote:
Ok another question, has anyone used the control units with a roadmaster RR8R, chassis? The 8 air bag set up and if so did you use one on each bag or one per two bags near the Y connection for both bags per side
The reason I ask is that I was told by Sourse Eng. I could use 4 total instead of 8.

Although my setup is four bags, it seems very logical to use only four control units, ie one per corner. The reason, I think, would be that each corner functions as a system of two air bags normally and all the control units do is dampen the flow so that sudden changes in air bag movement are also dampened as a system of two air bags. Another way of thinking of it is the fact that the setup now is done via a Y in the line rather than individual lines indicates to me that the system is designed to act in unison.

[gnm]

Ok another question, has anyone used the control units with a roadmaster RR8R, chassis? The 8 air bag set up and if so did you use one on each bag or one per two bags near the Y connection for both bags per side
The reason I ask is that I was told by Sourse Eng. I could use 4 total instead of 8.

[jtfcons]

I installed the Henderson's Super Steer units on my bus 1/2007. The handling is much improved at highway speed, that is lean in corners is a lot less and adds a much more stable feel to the driving experience. Although the effect of passing trucks was not bad before, this also improved. I do not see any real change when speed bumps are involved, just have to slow down. I have been very pleased with this upgrade.

One note, when dumping the air bags to level the coach the auto level system (HWH) dumps for a predetermined time then the jacks extend. If I want to be lower, such as when accomodating a slightly out of level parking spot that leaves the entry step higher than I want, I first dump some air from the system then go thru the leveling cycle. This is because the air escapes slower from the bags with the MC system. Hope that's not confusing, but it's just a heads up, no big deal.

[hotjag1]

From what I read on the Source Engineering website is that their MCU's only restricts airflow in one direction. I wanted the airflow restricted in both directions to control the side to side rocking motion, so I went with theSupersteer units. They definitely help the side to side motion!

[smlranger]

I used the Supersteer units since those from Source Engineering were not available when I got mine.

[dons2346]

I got the ones from Source Engineering

[gnm]

Thanks for the responses, now may I ask which brand you have used?

[crasster]

I have heard time and time again from owners and they really do like them. Some especially liked the effect of them on farm / bumpy / gravel roads that were uneven.

[hotjag1]

I just had them installed on my present coach at the Quartzsite RV show in January. The coach would lean more than I wanted going around corners on the highway and would also rock back and forth going in and out of uneven driveways.

The difference is night and day. Going out of driveways it will still lean a bit but the motion is much slower and it only rocks once slowly instead of back and forth several times. Also, going around corners at highway speeds, the coach lean is much less, meaning I can maintain much closer to the speed limit when going around corners.

IMO, they were worth the cost to control the side to side motion.

[DSDP_Don]

I had the same experience as "smlranger". I put them on the front of my tag axle coach and really didn't see much difference.

[dons2346]

I have them on my 40ft Country Coach non tag. They do make a difference in the way the coach handles.

[smlranger]

I used them on a 2002 Winnebago Journey on a Freightliner XC chassis. The improvement in sway and overall handling was pretty amazing.

I now have a different coach with a tag axle. It handled well when I got it but I still put the MCU's on. While there may be some slight change in sway control, it is far less than what I experienced on the Journey.