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11-25-2009, 11:00 AM
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#1
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1 Rivet Member
1952 25' Cruiser
Foresthill
, California
Join Date: Nov 2009
Posts: 14
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Building a New Frame?
After removing and striping down the frame on our 1952 25' Cruiser, we are considering building a new frame.
The old frame is in pretty bad shape, bad rust, a new hitch assembly is mandatory, and the rear would need to be reinforced. That being said, my father-in-law is a metal man and welder. He has suggested we use the existing old frame as our template and build a new one using rectangular steel tubing for the main frame and cross members and angle irons for the tip outs. This would make the frame a little heavier and a little more rigid. We would put a new Dura Torque Axle in place of the old completely shot straight axel. I am confident in his and my ability to build the new frame but wanted feedback on this before making the final decision. What are the pros and cons?
With the amount of time money and effort that will be committed to restoring this Cruiser a part of me wants to know that the frame is strong and new.
Thanks in advance for any feedback.
Prattman
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11-25-2009, 11:04 AM
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#2
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Moderator
Vintage Kin Owner
...
, ...
Join Date: Jul 2007
Posts: 11,696
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Hey Prattman,
Here's a good thread on building a replacement frame. Boatdoc really went all out. Not the same vintage as your application but some good information none the less.
http://www.airforums.com/forums/f36/...ame-29294.html
Regards,
Kevin
__________________
"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."
William C. Swinney
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12-24-2009, 04:02 PM
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#3
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Rivet Master
Vintage Kin Owner
Lin
, Ne
Join Date: Dec 2009
Posts: 2,430
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Quote:
Originally Posted by PRATTMAN
What are the pros and cons?
Prattman
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If you want to keep the trailer original you will have to pretty much duplicate the original frame. You can use thicker pipe if you want a little more strength though.
Roger.
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12-24-2009, 04:32 PM
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#4
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Rivet Master
Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by PRATTMAN
After removing and striping down the frame on our 1952 25' Cruiser, we are considering building a new frame.
The old frame is in pretty bad shape, bad rust, a new hitch assembly is mandatory, and the rear would need to be reinforced. That being said, my father-in-law is a metal man and welder. He has suggested we use the existing old frame as our template and build a new one using rectangular steel tubing for the main frame and cross members and angle irons for the tip outs. This would make the frame a little heavier and a little more rigid. We would put a new Dura Torque Axle in place of the old completely shot straight axel. I am confident in his and my ability to build the new frame but wanted feedback on this before making the final decision. What are the pros and cons?
With the amount of time money and effort that will be committed to restoring this Cruiser a part of me wants to know that the frame is strong and new.
Thanks in advance for any feedback.
Prattman
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Not to throw you a curve, but the inherent strength of an Airstream, is in the shell, not the frame.
You can beef up the frame a little, if you wish, but keep in mind, the shell supports the frame. That's why the connection between the two, is important.
Andy
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12-24-2009, 05:01 PM
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#5
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Rivet Master
1965 17' Caravel
1983 27' Excella
Walnut Grove/Laguna Woods
, California
Join Date: Jun 2004
Posts: 1,635
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Bud Cooper, who we lost last summer, was the first President of the WBCCI Vintage Airstream Club. Bud had a trailer a little older than yours. He did away with the original frame and had a ladder frame made to his specifications by a boat trailer builder. To keep some of the original look, he had a piece of the original pipe frame under the rear of the trailer, so from the back it looked like an original frame. No outriggers to rust away. I'm sure that it was heavier than the original, but who cares.
I have no idea how many hundreds of thousands of miles Bud must have towed that trailer.
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12-24-2009, 05:35 PM
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#6
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Rivet Master
1971 25' Tradewind
1993 34' Excella
Currently Looking...
Estancia
, New Mexico
Join Date: Feb 2005
Posts: 7,742
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Quote:
Originally Posted by r carl
If you want to keep the trailer original you will have to pretty much duplicate the original frame. You can use thicker pipe if you want a little more strength though.
Roger.
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Absolute originality aside, if I was buying a resto I would be more interested in a strong frame than an original duplicate. Not saying a box frame is stronger than a pipe frame, but that is my impression. I think I would also prefer the torsion axle over leaf springs.
__________________
Sail on silver girl. Sail on by. Your time has come to shine.
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12-24-2009, 10:12 PM
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#7
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Rivet Master
Airstream Dealer
Corona
, California
Join Date: Feb 2002
Posts: 16,497
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Quote:
Originally Posted by Lumatic
Absolute originality aside, if I was buying a resto I would be more interested in a strong frame than an original duplicate. Not saying a box frame is stronger than a pipe frame, but that is my impression. I think I would also prefer the torsion axle over leaf springs.
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The box frame provides far more stability for the floor, than the pipe frame.
The frame cross members, sort of float, side to side, with the pipe frame.
With the box frame, the cross members cannot move.
Changing the frame to bax, would be a positive advantage.
Andy
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