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Old 08-16-2013, 06:06 AM   #15
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Nope, the DOT added an exemption for RV's now and they are allowed to use 23,000# axles. This was over a year ago. And very few MH's had 23,000# axles before this. The old Monaco tried this and ended up having to buy back some single axle units and replace them with tag axle units.
THREAT TWIST ALERT!

I could be wrong but...isn't that 23K applicable mostly to interstate systems? Aren't there still 20K restrictions on the books for state and local roads?
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Old 08-16-2013, 10:19 AM   #16
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In this topic my MotorhomeRV tire-pressure -calculator.
With a picture. Can tell the whole story again, and want to give you a same kind of picture, but mayby reading that article makes you wiser already.
Tire pressure
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Old 08-16-2013, 11:27 AM   #17
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noob question. I see lots of public scales that weigh axles, but have never seen a public scale that weighs each corner individually. Would like to have this done all loaded up on my rig, but am curious where folks have this performed? I once saw some portable scales sitting in the corner at an RV service shop, and when I inquired they stated they were broken.

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Old 08-16-2013, 02:46 PM   #18
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Originally Posted by akeyzoo View Post
noob question. I see lots of public scales that weigh axles, but have never seen a public scale that weighs each corner individually. Would like to have this done all loaded up on my rig, but am curious where folks have this performed? I once saw some portable scales sitting in the corner at an RV service shop, and when I inquired they stated they were broken.

Chris
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I had my done at a rally here in Oregon by Weigh To Go cost $60 takes about an hour and you get a print out of everything.
RV Scales | Weigh To Go, LLC
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Old 08-16-2013, 03:11 PM   #19
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Originally Posted by akeyzoo View Post
noob question. I see lots of public scales that weigh axles, but have never seen a public scale that weighs each corner individually. Would like to have this done all loaded up on my rig, but am curious where folks have this performed? I once saw some portable scales sitting in the corner at an RV service shop, and when I inquired they stated they were broken.

Chris
Look for grain elevators in smaller (or not so small) towns. They often have a lot of level area around the scale that will allow you to do four corner weighing. For instance, in Forest City, IA and their price is cheap. Some times you will have to get a little creative based on the orientation of the scale, e.g.: A scale is along side of a building but the outboard side is level with the scale. Pull up to the scale with the outboard edge of the scale lined up down the middle of the motorhome. Pull forward so just the front, right wheel is on the scale and record the reading, then pull forward so both front, right and rear, right wheels are on the scale and record the reading for the right side. Right side minus front will give you right rear. Turn the motorhome around and approach scale from opposite direction and do the same thing for the left side. Doink! 4 corner weighing!

If I am going to do a four corner weigh, I will have full fuel, full fresh water, and full propane on board. I try and weigh at least once a year. Too quote another: "motorhomes are like people, the older they get, the heavier they get"

Hope that helps and you find a friendly grain elevator that will let you do it.
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Old 08-20-2013, 09:34 PM   #20
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HERE you can find a worksheet and instructions on how to do the math to learn the corner loading.
The fact is that RVs are many times way off 50/50 with unbalance of 1,000# not unusual based on RVSEF data
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Old 08-20-2013, 09:39 PM   #21
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What the heck do you mean with that?

Yes, it was the Federal Bridge loading law that was amended. But usually the States follow those laws. There could be individual bridge weight limits but they have always had those
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Old 08-20-2013, 10:17 PM   #22
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What the heck do you mean with that?

Yes, it was the Federal Bridge loading law that was amended. But usually the States follow those laws. There could be individual bridge weight limits but they have always had those.
I think my question was pretty clear. Did the new 23,000# limit widely apply to state and municipal roads? The point of my question was to see if the 23,000# limit was mostly related to interstate roads and to see if states have adopted this higher weight for state and local roads.

From the Illinois non-CDL test guide:

Weight

The maximum weight limit on designated state and local streets and highways is 20,000 pounds on a single axle; 34,000 pounds on a tandem; and up to 80,000 pounds on a 5-axle combination, depending upon axle spacings.

On non-designated streets and highways the limit is 20,000 pounds on a single axle; 34,000 pounds on a tandem; and up to 80,000 pounds on a 5-axle combination. However, any single axle of a 2-axle motor vehicle weighing 36,000 pounds or less and not a part of a combination of vehicles may carry an axle load of up to 20,000 pounds. Exceptions for certain vehicles are allowed by statutes and local city ordinances.


That appears to tell me that in IL 20,000# is still the law outside of the interstates. Do you read that different?
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Old 08-20-2013, 10:33 PM   #23
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I think my question was pretty clear.
My question to you was what do you mean by: THREAT TWIST ALERT!?
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Old 08-20-2013, 10:37 PM   #24
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I think my question was pretty clear. Did the new 23,000# limit widely apply to state and municipal roads? The point of my question was to see if the 23,000# limit was mostly related to interstate roads and to see if states have adopted this higher weight for state and local roads.
See post 21 for your answer.
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Old 08-21-2013, 06:00 AM   #25
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My question to you was what do you mean by: THREAT TWIST ALERT!?
OK...I took your previous response about my question to...well...get all up in arms about my question.

Perhaps I was being overly cautious about hijacking the OP's thread to discuss axle weight laws when the OP was asking specifically about the method to determine his MH's tire pressure needs. That was why I said that and I could see my question to your post was going that way.

IMHO,in your post #13 it opened the door for someone to get confused. I think readers could infer that 23,000# single axle rating allowance was anywhere. Maybe you didn't mean it that way and then again, maybe you know something I didn't know.

So...for clarification...is this a fair set of statements?

1. On interstate roads 23,000# is acceptable for a single axle weight limit.

2. Generally speaking, 20,000# is the the single axle weight limit but may be higher or lower based on state and/or municipality imposed limits.

If you agree that those are reasonable assumptions than we are on the same page and I think clarifying your post was helpful. If we you disagree, then I'm cornfused on how the law allowing us MHs to basically use bus axle weights should be applied otherwise.

BTW...do you happen to have a reference/link to the law applying to MHs? If I recall from other conversations that it was an writtin to basically treat MHs like Buses that had some kind of funky exemption. I can't seem to find it.
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Old 08-21-2013, 06:30 AM   #26
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Quote:
Originally Posted by Tireman9 View Post
HERE you can find a worksheet and instructions on how to do the math to learn the corner loading.
The fact is that RVs are many times way off 50/50 with unbalance of 1,000# not unusual based on RVSEF data
We're sure had lots of threads about this. Still, there is reference to DOT sidewall and cockpit placard pressures, which are red herrings.

Check your manufacturer's table, note that the pressures are usually "recommended" versus "recommended minimums."

That said, I add five to ten psi for better mileage, to pad against leakage. But that is purely personal technique is a practice that could actually be unsafe in certain circumstances.

What Tireman9 says is pretty much always correct
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