Thread Tools Search this Thread Display Modes
Old 05-20-2009, 03:02 PM   #1
New Member
1964 19' Globetrotter
tucson , Arizona
Join Date: May 2009
Posts: 2
Images: 2
structural deflection how much is within tolerance

when i support my 64 globe trotter from front to back to remove wheels and hubs i notice a lot of downward deflection in the frame..i know that some deflection in the vertical axis is normal. i have set lasers and measured 3.75 inches of sag in the frame at the axle center line...

this trailer has a lot of miles on it i have had it for twenty years and travel cross country twice a year with it...

being a engineer i'm thinking about designing a box tubing truss that will span front to back just under the belly pan...with at least 4" of adjustment (tension) in the horizontal axis to help minimize the deflection...

does anyone know of a source for structural drawings for a 64 globe trotter..
i would be willing to redraw in auto-cad mechanical so i can run structural simulations...


mark miceli mfa
tucson az

64globetrot is offline   Reply With Quote
Old 05-20-2009, 07:11 PM   #2
Rivet Master
drag'nwagon's Avatar
1974 31' Sovereign
1970 23' Safari
1956 26' Cruiser Overlander
Lambertville , Michigan
Join Date: Aug 2006
Posts: 1,174
First of all the only place you can jack up an AS is under the axle mounting plates!!! The structure is a "Super-Structure" which basically means the shell is holding the frame up....kinda. There is most likely nothing wrong with your frame or at least there wasn't. Hit the search feature on here and begin the research for the "Monocoque" construction.
Operation "Save Rudy" Strike Team (charter member)

Yes, I am still working on it.
drag'nwagon is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
structural integrity of the roof/ bluegabs Airstream Motorhome Forums 9 06-17-2008 10:27 AM
Structural support? Blu_Hwy_Lady General Interior Topics 25 11-06-2006 12:19 PM
Inner skins - just how structural? malconium General Interior Topics 4 06-30-2004 09:23 AM
Bulkhead Structural Value 69Ambassador General Interior Topics 24 03-21-2004 07:43 AM
Community Policies - Zero Tolerance PeterH-Airstreamer Our Community 0 01-01-2003 07:05 PM

Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 03:17 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.