Chris,
There are no requirements for tubing. The only thing you must do is prove
its equivalence to the specified tubing. DOM is nice, but very expensive. For
that reason I don't believe that it proves to be a benefit. Standard welded
seam tubing should be fine, it is what we always use. As for bending, DOM
should not be significantly easier to bend. Realistically, at the common
tubing sizes used for minibaja you will need a mandrel tubing bender regardless
of the type. I have done a lot of fabrication with both types of tubing and I
find that unless you need to machine the tubing or you need an ID or OD
consistency within a few thousands of an inch, DOM is worthless for
your application.
Quoting Chris Collucci <c.collucci@verizon.net>:
> I have a question about the tubing we are supposed to use. Does it have
> to be DOM seamless or can we use the ERW tubing? I'm just assuming the
> DOM will be easier to bend, has anyone used both types and can compare them?
>
>
> Thanks,
> Chris Collucci.
> New Jersey Institute of Technology
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