On Mon, 19 Jun 2000 09:20:54 EDT CapAAVSO@....... writes:
> In a message dated 6/19/00 5:50:02 AM Eastern Daylight Time, 
> danieo@............ writes:
> 
> Amateur constructors need not be daunted at the prospect of
> having to buy expensive penmotors.  



An example of a very powerful servo-type penmotor is on Larry's site.
I built this for a strip type recorder using cheap cash register rolls.
With
a longer arm it could be used to walk across a drum. It has been in
operation
well over a year with no failures, and we have gotten excellent recording
results with no problems using ordinary "sharpie" type pens. The unit has
enough
torque to probably run a Dremel engraver on aluminum strip material (if
you wanted
"fade proof" recordings)...

Was there some TV show called "Have drum, will travel"?
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