And rubber abrasive wheels too. But hey, maybe Frank hasn't seen those
either.

alistair

On 8-Jun-11, at 7:01 AM, David Beierl wrote:

> At 05:30 AM 6/8/2011, Frank Condelli wrote:
>>        Well, there's a novel idea !  A plastic covered cable
>> wearing through a metal line !  I don't think so.  Those metal
>> power steering lines are just simply rusting away !

> Frank, it's perfectly plausible.  Machinists use the principle for
> fine fitting/sizing of parts, using a tool called a lap which is made
> of a soft material (often copper) charged with abrasive.  Rust
> particles and road sand are perfectly valid abrasives for steel, and
> there could also be fretting corrosion occurring.
>
> Yours,
> David