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Here's what comes to mind: notch it for some shallow C-channel welded longitudinally, maybe 3/16" wall if you want to be burly, then plate the sides as well with 3/16" plate. It will NOT fail. It will likely be much stronger than the other side in fact. If you are still nervous, take some more of the C channel and cap the top of the frame (in line with the frame), with a 45* cut in front, and box it in at the front, effectively 'raising' the frame a bit. Stitch weld if you are nervous about distortion, but I highly doubt it will be a factor.



Great ideas, Bill.

Also (and here's a blast from the past), Joe Chacon did this about 6 years ago on his SAS, so it's been done before.

Brian K. Gallus
I have nothing important to say.