Replacing the axle - Fiberglass RV


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Old 10-13-2002, 03:36 PM   #1
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Replacing the axle

Some folks from the Casita website may have seen this. I thought for all of you that have not it might give you some insights.

When I bought my 17' Casita I wanted to have more ground clearance. At the time Casita did not offer to the US market any options for a High Lift axle. I went to my local welding supply and found out that I could get a Dexter axle with any lift (articulation) I wanted. The axles cost $410 plus shipping (additional $100 to Califorinia) at that time. I would then have to weld it on or have someone weld it on.

At this point it started to sound too expensive.

Just about the time I gave up, Casita started offering the High Lift axle on new 17' Casitas. This was about two months after I took delivery.

I called Casita and they worked with me and sold a New High Lift axle to me at their cost because I had asked for one two months ealier. So I ordered a New High Lift axle.
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Old 10-13-2002, 03:39 PM   #2
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axle arrives

:cblob The New High Lift axle arrives...

<img src=http://www.fiberglassrv.com/board/uploads/3da9d9dc73292axle-new.jpg/>
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Old 10-13-2002, 03:47 PM   #3
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Michael,

Who was it out your way who lifted his by welding a lifting block between the frame and axle? Seems like he got a full 4" lift. Was it WB Willy?
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Old 10-13-2002, 03:49 PM   #4
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Replacing

I have all of the tools to weld as you have seen in my generator box thread.

:o Am I up to cutting off the old axle and replacing the new one by my self. I didn't feel I want to chance it. I have a friend that was a construction supervisor for our local Nucular Power plant - a very good welder. He use to build steel boats down in Morro Bay, CA.

I offered to give him the old axle if he would help me replace the axle on my Casita. He said sure. I'm glad I had him help me. He can weld upside down and make it look like dimes all lined up. Also, he is maticulas in aliening and making sure it was correct.

The hard part was cutting the old one off. Man they had that sucker really welded on there. There is not much room to get a cutting wheel in there to cut the old welds.

I thought I was getting 3” lift. It turned out to be a little under 2” lift. But hey, it is just right. We never drag going in and out of driveways and the such. The height is just right for getting in and out.

Wanna see?
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Old 10-13-2002, 03:50 PM   #5
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New Axle

:wiggly

<img src=http://www.fiberglassrv.com/board/uploads/3da9dc932935daxle-3inch.jpg/>
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Old 10-13-2002, 03:54 PM   #6
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another option

Morgan,

Eric Mayer (Los Angeles, CA) had a 3” square tube spacer added between the frame and the old axle. Net lift was 3”.

His cost was about $350. Just about what I spent.

The key difference is that the axle has a negative articulation. (hits bumps harder)
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Old 10-13-2002, 04:42 PM   #7
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Negative Articulation

Thanks for defining that, Michael. I'm sure Morgan knew what you meant, but I sure didn't! :lol
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Old 10-13-2002, 04:51 PM   #8
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Articulation

Mary,

Articulation is the angle the trailing arm is in relation to the axle.:o

OK, OK, OK let me see if I can try again.

If the wheel hub is higher then the axle, then it has a negative articulation. If the wheel hub is lower (making the trailer lifted), then it is said to have a positive articulation. With a positive articulation, when you hit a bump, the hub swings back and up to pass over the bump.

If you have a negative articulation, hitting the same bump, the wheel hub has to push forward into the bump making the bump more severe.

OK, I give up. Word pictures are hard. If you could see my hand gestures and facial expressions, it would be so-o-o clear.
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Old 10-13-2002, 05:03 PM   #9
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Dontcha have a digital camera?

Lori could take some pix and you could upload them, so I'd get the hand gestures and facial expressions.

Yeah, the facial expressions. That's what I need! :reye2

Actually, Michael, believe it or not, I do understand what you're talking about! (Not sure what I'll do with the info, and will probably forget it before I ever “need” it, but hey, what an educational afternoon!)

Thanks...! :yep
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Old 10-13-2002, 05:06 PM   #10
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One more thing

Ummmm. I'm not going to be tested on my understanding/appreciation of positive and negative articulation, am I? :wink
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Old 10-13-2002, 05:23 PM   #11
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Mary F,

Michael hasn't even touched on equilateral articulation yet ;)

I'm surprised Pignone Don in OKC hasn't chimed in :r
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Old 10-13-2002, 05:30 PM   #12
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As long as y'all steer clear of rocket science!

Is Pignone the same as Piñon?
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Old 10-13-2002, 05:47 PM   #13
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Quote:
Orginally posted by Mary F

* * * * * * Is Pignone the same as Piñon?
It's Itiliano for pine, piñon, pinecone, pinion or anything resembling any of the preceding. Those folks make a word go a long way.

For example, I once worked for Pignone Sud in Milano. They made gears; a few were pinions :) (Milano is in the north, sud is south)
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Old 10-13-2002, 07:43 PM   #14
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Milano

My brother (and the nice Mary Foster) live near Milano (Texas).
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