Quote:
Originally Posted by ratdude747
It's probably made out of bent sheet for mounting purposes as well. Otherwise they'd have to weld the square to a plate, which would be heavy and possibly significantly more expensive. Two plates on the edges would probably have distortion issues with the welds. Bent sheet is (relativlely) cheaper and/or looks better (cheap means stick/MIG welds which have splatter and/or slag issues, TIG is pretty but relatively expensive).
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How are they planning to mount this? The prints don't show any bolt holes, so it seems like they're going to have weld this thing regardless (they are already welding the moat and the rough terrain).
The bent part is already made out of sheet steel. I guess you could TIG weld it if you want, but most welders I've met can do pretty clean welds with a MIG and steel is generally easier to weld than aluminum. The distortion issues are valid, but I think they could be avoided by a competent welder.