Homebrew PCBs

Thanks guys. I think I can go up to 24K RPM max. I'm ordering some aluminum foils and tungsten carbide drills to try it out. If it works, I will post here as a follow-up.

Lanny 

--- In Homebrew_PCBs@yahoogroups.com, Leon Heller <leon355@...> wrote:
>
> On 11/02/2010 21:46, AnnonC wrote:
> > Leon,
> >
> > My drill speed is 10,000 RPM. How fast do you think a proper speed should be? And what kind of sharp drill do you recommend?
> 
> My drill is 18,000 rpm and I use reduced shank tungsten carbide drills.
> 
> Leon
>