Homebrew PCBs

On Thu, 28 Jul 2005 22:29:56 +0200, Robert Hedan  
<robert.hedan@...> wrote:

> I wouldn't consider the tools using the flexible shaft as a stronger
> alternative than the main unit.  The 'bearing' mechanism (it could be  
> brass
> bushings) in the pen attachment is even more fragile than the one inside  
> the
> main unit.


I think the thought was to prevent damage to the main unit bearings (and  
increase in runout).

If the shaft handpiece is worn you can just get a new one.

ST