A mandrel bender of any quality will do a bend with that material of up
to 180 degrees with out any problems.
Mark Hagedorn
Western Washington University
Mini Baja
Team Leader
360-650-3045
mark_hagedorn@hotmail.com
http://vri.etec.wwu.edu/minibaja/index.html
----- Original Message -----
From: "Ian Dixon" <minibajasjsu@yahoo.com>
To: <mini-baja@autox.team.net>
Sent: Friday, March 19, 2004 11:37 PM
Subject: Re: Pipe thichness!!
> I think bending it is the real problem. Most benders will crinkle the
tube at .049 wall and
> below.
>
> Ian
>
>
> --- susantoa@pdx.edu wrote:
> > .049 isn't very difficult but it's not the easiest stuff. We had to
slow down
> > to about half or 1/3 of the speed we welded even 0.065. Granted that
none of
> > us are expert welders, but even the welding instructor had to slow down
when
> > welding the 0.049. I guess that's all I'm saying with 0.049, if you
don't slow
> > down and control the heat it's easy to blow through.
> >
> > Let's see, using 0.040" should save you about 17.8% more weight. Our
frame
> > without any mounts on it (tubing only) weighs 48lbs, we would have saved
> > 8.5lbs. We're just happy to have saved 22.7% using 1.25"x.040" instead
of
> > 1"x0.083"
> >
> > > Actually, if I recall correctly, the MIN. wall thickness is .040.
However
> > > there is no such tubing size..BUT...if you could get a foundry to
produce a
> > > limited batch, you could save some weight ;-)
> > >
> > > .049 isnt very difficult to weld, especially with MIG, as long as
there is a
> > > tight fit between the components.
>
>
> __________________________________
/// unsubscribe/change address requests to majordomo@autox.team.net or try
/// http://www.team.net/mailman/listinfo
/// Archives at http://www.team.net/archive/mini-baja
|