1992 Coleman has drooping frame
We bought the Coleman tent trailer new in 1992 and it served us very well. It is extra long with a full Queen pullout bed on the front. The frame started to droop in the first few years and I asked ...
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It says Destiny on one side and Royale on the other so probably not the best frame. I think it was probably an extended version of a trailer with a smaller bed on the front instead of our big queen without bothering with a stronger frame. I now recall that the frame did crack years ago. I welded it myself but it made little difference so I took it to the welding shop, and was told the frame seemed to be too week so much stronger steel C beams were welded underneath. It was never overloaded but certainly went on roads with potholes and I remember a bad rural railroad crossing thump. Sorry about not posting photos last night; it was dark when I got the idea to ask on rv.net. 
The side with the door scarcely shows the immediate problem with the door bolt lock (usually there is a noticeable gap in the top right half of the door) - the jacks must now be compensating for the droop.
The back left shows the extra beam:
And so does the end view from back right.
This view from the back shows most of the beams and it seems to sag over a long length rather than in one spot.
Here is most of the right side.
The side with the door scarcely shows the immediate problem with the door bolt lock (usually there is a noticeable gap in the top right half of the door) - the jacks must now be compensating for the droop.
The back left shows the extra beam:
And so does the end view from back right.
This view from the back shows most of the beams and it seems to sag over a long length rather than in one spot.
Here is most of the right side.
