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Old 09-28-2014, 04:45 PM   #211
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1975 31' Excella 500
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I tried replacing the shower pan. Please help.

Imho, the best place to box the frame on these trailers is over the rear axles including about two feet fore and aft of the axle mounts. (Especially aft)

This is where they bend.
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Old 09-28-2014, 07:12 PM   #212
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Mine is pretty reinforced there already from the plate that holds the axle, but when I put the new axle in, instead boxing the original frame, I'm thinking about tubing that the original will sit on. And running that to the point that I have it boxed in.


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Old 09-30-2014, 10:24 PM   #213
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Comforting CFW. :-)
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Old 10-07-2014, 11:37 PM   #214
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I tried replacing the shower pan. Please help.

So after slowing my project down considerably, my flakey wacky welding neighbor bailed on me, leaving me with all the difficult and important welds to do on my own.

With my training incomplete I watched a bunch of videos on welding and ran out and bought a Home Depot special ( Lincoln Electric Weld-Pak 125HD flux cored wire feed welder)

Here is my first weld, and looks much better than all the welds my neighbor did if I do say so myself. I think a lot of it has to do with the machine.

Oh crud- I'm still over my picture posting quota, please stand by while I figure out how to raise it.

And J. Morgan, there was plenty of HAZ going on


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Old 10-08-2014, 12:09 AM   #215
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1972 31' Sovereign
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I tried replacing the shower pan. Please help.

That little Lincoln you bought at HD is a pretty good machine. I bought one years ago before I bought my 240v Miller.

By the way, there are two ways to deal with the photo quota,,,

1. Become a good forum citizen and become a supporting member

2. Get a Photobucket account or similar, upload your photos there and paste a "direct link" into your forum post.
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Old 10-08-2014, 05:31 PM   #216
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I went with option 1, Paid the money, and waiting for some kind of confirmation stand by for pictures!
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Old 10-08-2014, 06:09 PM   #217
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I'm jealous you got a Lincoln welder! I'm going to put one on my Christmas list, but likely to get a lump of coal instead.

Get that frame strong, the subfloor on it, and then marry up the shell. Think about all the extra room you'll have in your driveway. Having the welder overcomes a big obstacle to progress.

David
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Old 10-08-2014, 06:43 PM   #218
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That's a really good welder for airstream frame repair. Keep up the good work.
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Old 10-09-2014, 02:03 AM   #219
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Thanks guys, I wasn't sure if it was cruddy or not, I judge companies based on their logos, and it looked like something I could have probably picked up at harbor freight for $100 instead of the $456.

As promised, here is my first weld, done at night. I couldn't see anything mask on, or off.

Click image for larger version

Name:	ImageUploadedByAirstream Forums1412838074.859744.jpg
Views:	106
Size:	610.5 KB
ID:	223986

You are looking at a custom outrigger I made out of a piece of 5inchx2inch square tubing. I left it a square and just cut the curves into it.


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Old 10-10-2014, 07:11 AM   #220
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You did much better than HF with your Lincoln. Lincoln is an old and well respected brand with good reason.

Not a bad looking weld there either, especially for a vertical weld made very early on in experience.
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Old 10-11-2014, 03:20 PM   #221
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So here is the new outrigger mentioned earlier:
Click image for larger version

Name:	ImageUploadedByAirstream Forums1413058542.733853.jpg
Views:	112
Size:	926.3 KB
ID:	224107

And the boxed in c channel:
Click image for larger version

Name:	ImageUploadedByAirstream Forums1413058584.359630.jpg
Views:	103
Size:	1,012.7 KB
ID:	224108Click image for larger version

Name:	ImageUploadedByAirstream Forums1413058595.974675.jpg
Views:	111
Size:	1.02 MB
ID:	224109
Click image for larger version

Name:	ImageUploadedByAirstream Forums1413058609.235582.jpg
Views:	106
Size:	978.7 KB
ID:	224110

And that 5x5 box tubing is to support the new axle system I'm going to try out. As far as I can tell, no one has put these on an AS yet. So consider me your test dummy. And if they don't work, I'll put a more traditional axle on there. But figured someone had to try these sooner or later:

Click image for larger version

Name:	ImageUploadedByAirstream Forums1413058771.801040.jpg
Views:	105
Size:	1.50 MB
ID:	224111

It's the Timbren axle-less suspension.

Okay fellas, rip me a new one! I'm ready for it!




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Old 10-11-2014, 09:23 PM   #222
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Hey, your trailer! Your work!!! Good luck!

Btw. Welds appear to have good stick.. I suggest you move your "heat" (the really bright part of the arc) more onto each side. That will push heat out as well as give you more "hang time" over a spot.

Next, where you "boxed", you want to seP the gap where the pieces come together. Just touching will allow water to stay in there and rust unseen.
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Old 10-11-2014, 11:10 PM   #223
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I tried replacing the shower pan. Please help.

Have you considered how hard your axle solution is going to be to initially align properly?

It is also going to want to twist the frame rail. You are going to need to account for that by really beefing up the frame. I think you are going to need to run a stout crossmember from rail to rail at each axle center.

I am not saying they wont work, I am saying you really need to think it through.

That solution is really going to place a strong torsion load on that frame rail that was not present when the old axles were in place.

The welds on these cross members are going to need to be very good, ESPECIALLY the welds on the bottom of the rail. The old axles transferred the torsion load to the opposite mount and the ground through the axle beam.

It is also my observation that the old axles simply added structure to the frame itself. Their part in making the frame solid should not be underestimated.

I have done lots of swaps in chassis, one thing to remember, as a rule of thumb, one change might mean four more changes are needed. Stuff like this begins to snowball and create problems exponentially, and quickly.

Does this mean I stop swapping stuff because it is too much trouble? Nope, but I have learned to really, really, really think things through before becoming committed to a certain direction.

My thoughts are that when all is said and done you will have found it easier, faster, and better to just go back with torsion axles. I wasn't in love with the notion of torsion axles at first look, but once I really looked at how well the work on Airstreams as an integral part of the trailer I have come to respect them. The only downside to this setup is that they wear out in twenty or thirty years... That is a long time for an axle system that is pretty cheap.
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Old 10-12-2014, 04:32 AM   #224
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I noticed a square hole is that for a rod of some sort and yes I believe you have learned not to bleed when swimming with the Sharks! What I am asking is if there is a stability rod from one side to the other? Looks interesting I wonder how it will look!
Cliff


Yes I said that! Or did I?
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