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Old 09-24-2015, 10:42 AM   #1
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Join Date: Jul 2015
Location: New Hampshire
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Year: 2001
Coachwork: Thomas
Chassis: MVP ER
Engine: Cat 3126b 210 HP 605 ftlbs
Roof deck

Has anyone welded to the top of the roof ridges rails for a roof deck support, on the Thomas it kind of like a rub rail?

This would be for a small roof deck/ walkway.

I do not want to drill holes into the roof or raise the height of the bus too much.
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Old 09-24-2015, 10:51 AM   #2
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I don't think I'd weld there, as much as I do prefer welds when working with metal.
I'd drill into the ribs and use good fasteners. There are already hundreds of holes in the roof of a bus, what's a few more going to hurt if properly sealed?
Gotta break a few eggs sometimes.
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Old 09-24-2015, 05:25 PM   #3
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Quote:
Originally Posted by EastCoastCB View Post
I don't think I'd weld there, as much as I do prefer welds when working with metal.
I'd drill into the ribs and use good fasteners. There are already hundreds of holes in the roof of a bus, what's a few more going to hurt if properly sealed?
Gotta break a few eggs sometimes.
I agree with this.

#14 self tapping screws with a 3/8 bolt head work great.

For reference, they are around the same size as a 1/4 bolts drilled through the outside flange of the ribs. There will already be rivets there, just drill a few out, clean the holes, and insert the bolts.

If the interior is out of the bus, I would use 1/4 inch bolts.

Nat
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