Keypunch that was on eBay
hp-fix at xs4all.nl
Sat Apr 4 15:03:33 CDT 2009
You could use a small freq.converter the one's they are using for fanspeed
And when you use a 110/230 transformer between the converter and keypunch
you loose a lot of spikes and other distorsion.
> -----Oorspronkelijk bericht-----
> Van: cctalk-bounces at classiccmp.org
> [mailto:cctalk-bounces at classiccmp.org] Namens Roger Holmes
> Verzonden: zaterdag 4 april 2009 21:19
> Aan: cctalk at classiccmp.org
> Onderwerp: Keypunch that was on eBay
> Thanks for whoever it was who posted the info on the IBM 029
> keypunch on eBay. I have won it, nobody else bid. After it
> has been shipped across the Atlantic I will have to think
> about converting it from 60Hz to 50Hz. I have the remains of
> a 50Hz verifier which has a 240v / 50Hz motor I should be
> able to use. Hopefully the rest runs on DC, so a step down
> transformer before the transformers and bridge rectifiers
> might be enough. Shipping costs more than the item of course.
> Anyone have any thoughts if it is worth trying the whole
> thing with just a 240 - 110 transformer? If the motor burns
> out, not the end of the world.
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