Quote:
Originally Posted by Sven7
Wow, cool project. I'm tempted to put some belly pans on my own Twin I Beam now!
One question: what did you bolt the belly pans to?
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The answer to that question is anything you can find or fabricate. The frame, sub-frames, the coach body at the underneath edges, cross-members, and mostly brackets that you fabricate along the way.
The most surprising part of the process is that 5/16 hex head self-tappers went through the frame and sub-frames faster and easier than any drill bit I tried, and I tried several, hardened, titanium, etc., all new. They don't exactly go through it like butter, but I was surprised at how well they did go through it. The sharpest and fastest to go through by far were made by L.H. Dottie company in Commerce California, someone left a whole assortment of them in my shop, but even the Hillman screws at the local ACE hardware did a good job.