Thread Tools Search this Thread Display Modes
Old 05-30-2014, 01:57 PM   #1
2 Rivet Member
1960 Caravel
Palo Aloto , California
Join Date: Feb 2014
Posts: 21
1961 Caravel Axle and Damper Replacement Completed!

Hello, I wanted to share how we have replaced the crappy old axel on our Caravel with one supplied by Inland RV.

The original design shown below had the dampers orientated near vertical, connected at the top to pivots at the end of metal brackets which were welded to the axel and bolted to the chassis.

We cut off the damper brackets from the 1961 axel ....

rust treated them ...

bolted them back to the chassis place where they had started and installed the new axel under them (drilled 2 holes each side through the lower flange of the chassis' channel, bolting it in place with 4x 1/2" fine pitch nuts and bolts).

THEN as we were happily jumping up and down on the chassis in celebration of the awesome job we'd done, we noticed that the geometry of the new axel with the old bracket wasn't translating ANY suspension travel movement into extension of compression of the damper (see how the dampers are not vertical now?). The damper was orthogonal to the arc of the suspension travel. This is because the damper pivot point on the new axel is in a totally different place than on the old one.

Back to the drawing board.

If you look at how the damper is intended to be used with the new style of axel (see next image of someone else's more modern trailer), you'll see that the damper points forward and down, so that its axis is tangential to the arc that the DuraTorque style suspension travels in. This means suspension travel directly compresses the damper, approximately 1:1. (note in this image I think the damper is installed upside down ... don't want water collecting in the cylinder, right?).

So we fixed it by designing a custom 1/4 inch steel plate to replace the 1961 brackets which put the damper pivot in the correct place for 1:1 geometry. We bought axel studs from Inland RV and welded them on. Here's the final result. Looks nice right?

We ended up with 2x5/8" bolts connecting the plate to the chassis, 2x1/2" connecting the plate to the axel's vertical flange, and 2 1/2" bolts connecting the chassis to the axel's horizontal flange. Pretty sure it's not going to fall of anytime soon.

Anyway, hope that's useful for someone out there! Chris.
61 Caravel, North CA
Click here for Photos
Caravel-61 is offline   Reply With Quote

1961, caravel

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
Koni Shocks and Billstein Steer Damper is.chowa Land Yacht/Legacy Motorhomes 6 08-24-2013 07:40 AM
Tips for putting damper on engine Gypsy Jo Mechanics Corner - Engines, Transmission & More... 13 03-20-2011 05:23 PM
Radiator overflow and steering damper Darel Argosy Motorhomes 3 08-22-2010 07:05 AM
Steering damper install RichardT General Motorhome Topics 1 12-28-2008 10:26 PM
Polish completed and camping we went JPAIRSTREAM Cleaning, Stripping & Polishing 6 05-31-2004 08:31 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 10:34 PM.

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.