Homebrew PCBs

At 2:25 pm ((PST)) Fri Nov 17, 2006, Christopher Hart wrote:
>On Friday 17 November 2006 11:32, Leon Heller wrote:
>[snip]
> > Why not use continous agitation for the larger boards by rocking the
> > container? They will only take about 10 minutes.
>That would require me watching the boards constantly. I frequently have many
>projects going at once, and I just work on another while waiting for the
>boards to etch.

There used to be a photographic darkroom aid for print-making which
rocked the dish to create wave motion to ensure even developing or
thorough fixing.

It should be a trivial exercise for most of us to rig up something similar
using a snail cam driven by a geared mains synchronous motor or a
barbecue spit motor.


Regards, LenW