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RE: hub removal TR3A-6

To: "'BillDentin@aol.com'" <BillDentin@aol.com>, jerryvv@alltel.net,
Subject: RE: hub removal TR3A-6
From: Bill Babcock <BillB@bnj.com>
Date: Wed, 4 Jun 2003 17:10:53 -0700
All you need to do penetrant testing is a black light, a can of penetrant
dye, cleaner and rags, a can of developer, a good pair of reading glasses
(to read the F&^%& instructions and look for the cracks) and somebody to
flip the light switch. Takes about ten minutes. 

-----Original Message-----
From: BillDentin@aol.com [mailto:BillDentin@aol.com] 
Sent: Wednesday, June 04, 2003 6:15 AM
To: jerryvv@alltel.net; jrherrera90@hotmail.com; fot@autox.team.net
Subject: Re: hub removal TR3A-6


In a message dated 06/04/2003 5:58:33 AM Central Daylight Time, 
jerryvv@alltel.net writes:


> Years ago when I worked for the Navy Nuclear Program I was trained in 
> various Nondestructive Testing methods and Penetrate Testing was one 
> of them. It is true that improper cleaning will mask a small crack and 
> therefore invalidate the test. He was not pulling your leg. It should 
> also be noted that Mag Particle testing can only be done on materials 
> that can be magnetized. Since aluminum can not be magnetized it won't 
> work and Penetrant Testing is your only economical choice.
> 

Amici:

My two cents....as arguably the owner of the worlds largest collection of 
original ARW Silverstone MAG wheels, I too have been doing Penetrate
Testing for 
years.  I use a local nondestructive testing outfit that specializes in 
testing wheels for the airlines.  They told me they did my wheels as a
sort of 
'favor' to me, but their invoices suggested it was rather a high end
Pension Plan 
for top management.  When I saw the area in their shop that was dedicated
to 
this procedure, I was less than impressed.  Sure didn't seem very High
Tech.  
Looked like something one could set up in your garage, with a black light
and 
some canvas tarps.  Most of their shop was dedicated to XRAY testing.
Isn't 
that another option open to us?

About the only thing I proved with my testing was that original ARW 
Silverstones WILL NOT stand up to modern power and rubber.  Accent on the
latter.  I 
have almost three dozen wheels, but only three of them are still crack
free.  I 
just put four on my current daily driver, a freshly restored TR4.  They
sure 
look neat.

Bill Dentinger

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