Tube chassis question

just depends some welds can be fixed by Tiging if you get enough penetration but Dave will have to le you know if that would even be acceptable being it was stick welded.... But I agee it might just be easier to just start over and do it right.....


Randy

the Coug wrote:just be easier to just start over and do it right.....

Exactly, makes no sense going back over the stick welds trying to hide them from an inspector with either a Mig or a Tig pass.

The Mig pass won't hardly burn in at all. It will just pile up a mountain of weld on top of the stick pass. And if you really crank up a Tig welder & try to burn in a full sized Tig pass, it's a good bet that you will have puddle blow-outs as you run across impurities/trash/junk/slag hidden in the stick pass. Not to mention generating even more weld heat at every weld joint again probably isn't the best idea for base material's strength.


As for the old .120 wall ERW tubing passing sonic or not, that's a coin flip either way. I know that for years steel salesmen have told me that the "industry standard" for mild steel's advertised wall thickness tolerances was plus .005" to minus .009". So that meant that a piece of "so called .120 wall" tubing could be as thin as .111" and still be sold as .120" wall to the unsuspecting public.

Shawn, out with the old and in with the new!

'65 T-BOLT wrote:Shawn, out with the old and in with the new!

That's a big 10-4!

DILLIGASDAVE wrote:

the Coug wrote:just be easier to just start over and do it right.....

Exactly, makes no sense going back over the stick welds trying to hide them from an inspector with either a Mig or a Tig pass.

The Mig pass won't hardly burn in at all. It will just pile up a mountain of weld on top of the stick pass. And if you really crank up a Tig welder & try to burn in a full sized Tig pass, it's a good bet that you will have puddle blow-outs as you run across impurities/trash/junk/slag hidden in the stick pass. Not to mention generating even more weld heat at every weld joint again probably isn't the best idea for base material's strength.


As for the old .120 wall ERW tubing passing sonic or not, that's a coin flip either way. I know that for years steel salesmen have told me that the "industry standard" for mild steel's advertised wall thickness tolerances was plus .005" to minus .009". So that meant that a piece of "so called .120 wall" tubing could be as thin as .111" and still be sold as .120" wall to the unsuspecting public.

Yup, know exactly what you mean about weld pile up!

As far as the tubing goes I don't even have any scrap left to measure from! Oh well,

guess I'll take the dive in and ge started on a project!

Oh well,

guess I'll take the dive in and get started on a project![/quote]

just do it! that's what I did...I cut mine up just to make the steering work better rac placement was wrong in my car, they way to fix mine was to move engine back a few inches in the chassis. now I am basically building a new car.

'65 T-BOLT wrote:Oh well,

guess I'll take the dive in and get started on a project!

just do it! that's what I did...I cut mine up just to make the steering work better rac placement was wrong in my car, they way to fix mine was to move engine back a few inches in the chassis. now I am basically building a new car.[/quote]

I know what you mean...Start out doing one thing, and it will grow a life of it's own!