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Old 04-10-2019, 10:53 AM   #1
New Member
1953 25' Cruiser
kingsport , Tennessee
Join Date: Apr 2019
Posts: 1
Interior wall - ribs at the front and back radius of trailer

I've taken my 53 cruiser down to just the frame and installed everything new from the outriggers to new floor and channels -ect - reinstalling / securing shell

My question is - as I am replacing vertical ribs - I noticed the vertical ribs that the exterior panels rivet to are not connected to the bottom floor or and channel - they kind of free float in the channel

This is common both under the front window and the same at the rear under that window as well

Is this due to the fact that the unit has to flex - or - should I attach solid as I have with all the others

Thanks much
kriskari4315 is offline   Reply With Quote
Old 04-10-2019, 11:11 AM   #2
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1966 22' Safari
1955 22' Flying Cloud
Fredericksburg , Texas
Join Date: May 2015
Posts: 1,578
I ran into the same thing. Some of the primary ribs stopped shy of the C-channel. The horizontal stringers were also free floating. I asked Colin Hyde, who I think is one of the foremost authorities on Airstreams, whether I should rebuild as original or attach. He said to attach the ribs to the bottom and the horizontal stringers to the vertical ribs. Good, bad, or indifferent, thatís what I did. I understand how the semi-monocoque construction works, but felt attachment was a better mousetrap. I may get some popped rivets due to rigidity, but weíll see. Good luck
Bubba L is offline   Reply With Quote
Old 05-01-2019, 05:39 PM   #3
4 Rivet Member
1963 28' Ambassador
Vintage Kin Owner
Northern VT , Vermont
Join Date: Aug 2007
Posts: 353
I ran into the same thing on our 1964. Made aluminum angle brackets for all and bolted through the floor. Prob 8 yrs now, lot of miles, many on washboard pothole roads. No poped rivets or problems of any kind.
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Old 05-01-2019, 06:55 PM   #4
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1971 21' Globetrotter
Arvada , Colorado
Join Date: May 2006
Posts: 3,037
I too have attached the ribs to the C channel and the ribs to the stringers. Iíve changed the shell structure quit a bit. No problems. Itís all outlined in my thread below.
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