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Rear boggie/Suspension [message #116114] Tue, 22 February 2011 15:14 Go to previous message
bryant374 is currently offline  bryant374   United States
Messages: 563
Registered: May 2004
Location: Pleasant Valley, NY 12569
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Thought it might be helpful to provide a list of references for some of the rear suspension discussions here recently:

Hydropneumatic suspension on early prototype chassis
http://www.gmcmhphotos.com/photos/showphoto.php?photo=33071&title=1st-gmc-prototype-chas&cat=5293

close up of suspension
http://www.gmcmhphotos.com/photos/showphoto.php?photo=33070&title=early-gmc-hydropneumat&cat=5293

first air spring
http://www.gmcmhphotos.com/photos/showphoto.php?photo=33069&title=early-gmc-1st-design-air-bag281971-29&cat=5293


The following are found on my History CD, "The GMC motorhome, From start to Finish...."

The following are image numbers:
#37 First sketch of hydraulic/air spring

#38 hydraulic/air spring on pie wagon

#39 First sketch of air spring

#62 & 63 First actual air spring design

#339 Central Foundry castings

#381 demo with timbers.

GMC MotorHome Mini Theatre Films, DVD1
The first film, Title, "A New Standard" 3:30 to 4:10 into film of the GMC MH and a competitor going over the "timbers".

Comment: The vehicle speed and spacing of the timbers was surely chosen to demonstrate a most dramatic effect. If you want to consider it a slow motion look at what happens crossing bumps/timbers, I think it is as good as it gets.

Enjoy









Bill Bryant
PO 1976~PB (owned 34 years)
1914 Ford (owned 70 years)
1965 Corvette (owned 39 years)
GMC Motorhome History

[Updated on: Tue, 22 February 2011 15:18]

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