Re: alfa-digest V9 #307 - ERW Roll Bar Tubing

[AlfaNeely@domain.elided]

       A couple of weeks ago, I mentioned that the local roundy pounder roll 
cage builders tend to use ERW tubing also.  As Richard mentions, ERW is no 
longer legal for SCCA.
       There is a way to tell the difference that I learned at a seminar for 
tech inspectors at an SCCA national convention.  SCCA requires a minimum 3/16 
inspection hole in every tube in the cage which has a required dimension - 
which means about all of them.  Take a strong piece of wire with a hook bent 
in the end.  Put it in the hole and feel around.  ERW tubing has a definite 
welded seam that you can feel with such a probe.  On the outside of unpainted 
tubing, the seam is obvious and it runs the length of the tubing.

Ciao,
Russ Neely
Oklahoma City


In a message dated 3/2/2003 8:52:43 PM Central Standard Time, 
owner-alfa-digest@domain.elided writes:

> Date: Sun, 2 Mar 2003 17:21:56 -0500 (EST)
> From: Richard Welty <rwelty@domain.elided>
> Subject: Re: Good Milano stuff on ebay!
> 
> On Sun, 2 Mar 2003 13:36:30 -0800 Chip Mutza <alfaracer75@domain.elided> wrote:
> >Also, not on ebay... but I have a 4 -point bolt-in Autopower roll bar for
> >Milano for sale that is in perfect condition and comes with all mounting
> >hardware. I am asking $225 obo. See my website for a picture:
> >http://members.cox.net/raceproject/milanonew/rollbar.jpg
> 
> just as a service for the readership, could you please let the members
> of the digest know if the tubing is ERW or DOM, and what dimensions it is?
> 
> reason being that the SCCA is no longer permitting ERW tubing in new race
> car cages as of 1 Jan 2003, and Autopower used to use ERW tubing
> exclusively.
> 
> the difference might matter to someone...
> 
> richard
> - --
> Richard Welty                      rwelty@domain.elided
> Averill Park Networking                      518-573-7592
>        Unix, Linux, IP Network Engineering, Security
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