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Old 05-20-2017, 01:23 PM   #1
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wendysdrivethrudude's Avatar
Join Date: Sep 2015
Location: Wauchula, Florida
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Year: 1993
Coachwork: Thomas
Chassis: International
Engine: DT360
Thomas Chair Rail Diagram

While doing research, I noticed that there wasn't really a definitive answer to the chair rail's relation to the structure of a bus. I had to cut out a 3' section of the chair rail for my sunken shower installation, so I decided to make a diagram for other skoolies who may be interested in knowing how the chair rail is attached.
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Old 05-20-2017, 02:53 PM   #2
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That's been the story in past conversations on this site, that the chair rail added to the rigidity of the walls.

I don't think that piece of angle iron is going to do much in the extreme event of a crash. I've always put them back on if I've removed them temporarily, due to claims about the structural integrity of the shell of the vehicle. The chair rail in this bus is actually welded in so there may be some truth in the structural issue.
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Old 05-21-2017, 03:07 PM   #3
Join Date: Apr 2017
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Year: 1997
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I plan on keeping mine and just putting foam on it.
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Old 05-21-2017, 07:13 PM   #4
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The area below the rail is a perfect chase for electrical and even plumbing.
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Old 05-25-2017, 04:30 PM   #5
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Location: Billings, MT
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Considering I'm going to cover the entire sidewall with 1/8 ply or cheap paneling, that's not a bad idea.
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