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Old 04-18-2009, 06:49 PM   #15
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1991 34' Excella
1963 26' Overlander
Central , Mississippi
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Originally Posted by Lumatic View Post
Yes the 70s AS had shorter frames. ..And all models of these years had the same type of frame not just Sovereigns.
Quite a few threads cover the smaller frame of the '70's, dropping to 4" then as small as a reported 3".
My 29' has a 5" frame and stiffening plates that seem to have been installed straight from the beginning. As of now we have no rear seperation even with our extensive use. All of the other '70's AS's I have seen (not a huge number) also have the full size frame.

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Old 04-18-2009, 07:17 PM   #16
Rivet Master
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Originally Posted by DavidsonOverlander View Post
Thanks Andy!
Could you explain what these additional hold down plates look like and where they should be located? Pictures would be great if anyone has some.

Hold down plates are at the front and rear of the shell.

Their purpose is to hold the frame to the shell.

The front plate is obvious on the older trailers, with 3 horizontal rows of rivets.

We increase that to 5 rows.

The rear plate is smaller, since the rear access door is in the way. But again, the more rivets, the better the hold down.

Also at the rear, installing a bracket on the outside of the frame, underneath the banana wraps, adds considerably to the holding strength. Bolts go thru a steel plate placed in the floor channel, the floor channel, the floor, and then thru the new plate.

Using "fender" washers in that area helps too.


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