[TR] Useful info...penetrating oils and their effectiveness

[Jim Muller]

On 1 Jun 2009 at 6:54, Doug Mitchell wrote:

> The April/May 2007 edition of
> Machinist's Workshop did a test of penetrating
> oils where they measured the
> force required to loosen rusty test devices...

One must wonder how varied the "rusty test devices" would have been 
with no oil.  Too bad they didn't measure, say, 20 such thingys with 
none.  It might have shown just as much variation.

-- 
Jim Muller
jimmuller at rcn.com
'80 Spitfire, '70 GT6+